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Index of Cleared Science Reviews Metolachlor (Pc Code 108801)

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Undated. DER. 28 Page(s).
H. T. Craven. Efficacy & Ecological Effects Branch.
Cold Water Fish Acute 96 hr. (LC50). Rainbow trout. [DERs for other fish species
attached, dated December 1977.] MRID 00015534.
Document (PDF) (1779 KB PDF).

Undated. DER. 71 Page(s).
G. Tompkins. Environmental Fate & Ground Water Branch.
Formulation-12- Emulsifiable Concentrate (EC). Metolachlor field dissipation -
terrestrial. Pages 6-71 removed, registrant data. MRIDs 41335701, 41484203.
Document (PDF) (236 KB PDF).

Undated. DER. 71 Page(s).
George Tompkins. Environmental Fate & Ground Water Branch.
Formulation-04- Granular (G). Metolachlor field dissipation - terrestrial.
Pages 6-71 removed, registrant data. MRIDs 41309803, 41484202.
Document (PDF) (234 KB PDF).

Undated. DER. 72 Page(s).
George Tompkins. Environmental Fate & Ground Water Branch.
Formulation-04- Granular (G). Metolachlor field dissipation - terrestrial.
Pages 6-72 removed, registrant data. MRIDs 41309805, 41484206.
Document (PDF) (233 KB PDF).

Undated. DER. 72 Page(s).
George Tompkins. Environmental Fate & Ground Water Branch.
Formulation-04- Granular (G). Metolachlor field dissipation - terrestrial.
Pages 6-72 removed, registrant data. MRIDs 41335702, 41484204.
Document (PDF) (231 KB PDF).

Undated. DER. 80 Page(s).
George Tompkins. Environmental Fate & Ground Water Branch.
Formulation-12- Emulsifiable Concentrate (EC). Metolachlor field dissipation -
terrestrial. Pages 6-80 removed, registrant data. MRIDs 41309802,41484201.
Document (PDF) (238 KB PDF).

Undated. DER. 82 Page(s).
George Tompkins. Environmental Fate & Ground Water Branch.
Formulation-12 Emulsifiable Concentrate (EC). Metolachlor field dissipation -
terrestrial. Pages 6-82 removed, registrant data. MRIDs 41309804, 41484205.
Document (PDF) (236 KB PDF).

Undated. Memorandum. 12 Page(s).
Mark Corbin. Environmental Risk Branch I.
Review of Documents Related to the Equivalency of Racemic Metolachlor
(Metolachlor) and s-Metolachlor for Environmental Fate and Ecotoxicity.
DER's: (page 8 and page 10) Batch Equilibrium. MRID 00078291.
Document (PDF) (457 KB PDF).

Undated. Memorandum. 2 Page(s).
Ronald Ney. Environmental Chemistry Section.
Meeting Between Environmental Safety and Environmental Chemistry Sections to
Discuss If Chronic Fish Studies Are Needed on Butralin, Bux, CGA 24705,
Difolatan, Hyamine 3500 and Fluchloralin.
Document (PDF) (103 KB PDF).

Undated. Memorandum. 27 Page(s).
Kevin Costello. Environmental Risk Branch 1.
Agency Review of Registrant's (Novartis) Rebuttal Comments to the Environmental
Fate and Groundwater Branch Review (April 22, 1997) for Metolachlor and s-Metolachlor
(MRID 44303502) and the Koc Section in the Document Entitled "Equivalency…Contamination".
Document (PDF) (830 KB PDF).

Undated. Memorandum. 5 Page(s).
Norman Birchfield. Environmental Risk Branch.
Metolachlor Drinking Water Concentrations: First Tier Acute and Chronic Exposure
Assessments for Surface and Groundwater DP Barcodes: D239868, D239860.
Document (PDF) (165 KB PDF).

Undated. Report. 3 Page(s).
EPA Office of Pesticide Programs.
Topical - Summary. Accumulation 162.62-11.
Document (PDF) (188 KB PDF).

Undated. Report. 4 Page(s).
EPA Office of Pesticide Programs.
Topical - Summary. Rotational Crop (Section 162.62-11b).
Document (PDF) (259 KB PDF).

Undated. Report. 4 Page(s).
EPA Office of Pesticide Programs.
Topical - Summary. Soil Metabolism 162.62-8 b and c.
Document (PDF) (255 KB PDF).

Undated. Report. 8 Page(s).
EPA Office of Pesticide Programs.
Disciplinary Summary. General Assessment - Environmental Fate.
Document (PDF) (434 KB PDF).

Undated. Review. 4 Page(s).
Robert Jaeger. Toxicology Branch.
100-EXP-X; Petition No. 5G1553; Acute Tox Studies
Inert Ingredient information removed from page 2. Tox Review 000436.
Document (PDF) (494 KB PDF).

Undated. Review. 44 Page(s).
George Tompkins. Environmental Fate & Ground Water Branch.
Identification of unknown metabolites of metolachlor in aerobic soil metabolism.
Soil metabolism of metolachlor under aerobic, aerobic/anaerobic, and sterile conditions.
MRID No. 41309801. Pages 9-28 and 30-44 deleted - registration data.
Document (PDF) (574 KB PDF).

October 02, 1974. Review. 5 Page(s).
J. W. Akerman. Ecological Effects Branch.
Environmental Safety Review Summary - CGA-24705.
Document (PDF) (330 KB PDF).

November 08, 1974. Memorandum. 3 Page(s).
John Shaughnessy. Chemistry Branch.
Experimental Permit for New Chemical, CGA-24705, with Petition 5G1553
Submitted 9-11-74 (Herbicide). Inert ingredient information on page 2 is not included.
Document (PDF) (310 KB PDF).

March 05, 1975. Review. 30 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Environmental Chemistry Review for [CGA-24705] 2-chloro-N-
(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl) acetamide.
Document (PDF) (1103 KB PDF).

May 27, 1975. Memorandum. 3 Page(s).
Laurence Chitlik. Toxicology Branch.
Petition for a Tolerance of the Herbicide CGA-24705 and its Metabolites at 0.75 ppm
in or on Corn Forage and Fodder, at 0.05 ppm in or on Fresh Corn, Sweet Corn (Kernals
Plus Cob with Husk Removed)... Inert ingredient information on page 2 is not included.
Document (PDF) (299 KB PDF).

June 24, 1975. Review. 14 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Use on Field Corn.
Document (PDF) (620 KB PDF).

September 16, 1975. Memorandum. 8 Page(s).
Donald Reed. Chemistry Branch.
PP #5F1606. CGA-24705 on Corn. Evaluation of Analytical Method and Residue Data.
Inert ingredient information on page 3 is not included.
Document (PDF) (519 KB PDF).

January 08, 1976. Review. 8 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
EUP on Soybeans.
Document (PDF) (339 KB PDF).

January 12, 1976. Review. 15 Page(s).
Scott Fredericks. Efficacy & Ecological Effects Branch.
EUP (Environmental Safety Review).
Document (PDF) (976 KB PDF).

January 24, 1976. Review. 24 Page(s).
Norman Cook. Efficacy & Ecological Effects Branch.
Fish & Wildlife.
Document (PDF) (1383 KB PDF).

January 29, 1976. Memorandum. 8 Page(s).
Donald Reed. Chemistry Branch.
PP #6G1708. CGA-24705 on Soybeans. Evaluation of Analytical Method and
Residue Data. Inert ingredient information on page 4 is not included.
Document (PDF) (491 KB PDF).

February 04, 1976. Review. 3 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
EUP on Corn.
Document (PDF) (143 KB PDF).

April 28, 1976. Review. 6 Page(s).
R. W. Felthousen. Efficacy & Ecological Effects Branch.
Experimental Use Permit (Dual/Cycle).
Document (PDF) (303 KB PDF).

May 04, 1976. Memorandum. 1 Page(s).
Laurence Chitlik. Toxicology Branch.
PP No. 5F1606, CGA-24705 on Corn. Amendment of 3/18/76.
Document (PDF) (60 KB PDF).

July 16, 1976. Memorandum. 2 Page(s).
Donald Reed. Chemistry Branch.
PP #5F1606. Dual on Corn. Amendment of 6/1/76 Including Revised Sections B and F.
Document (PDF) (102 KB PDF).

July 28, 1976. Memorandum. 2 Page(s).
Randall Watts. Chemistry Branch.
PP #5F1606. Method Trial for CGA-24705 and/or Metabolites CGA-37913 and CGA-49751
in Corn and Beef Liver.
Document (PDF) (92 KB PDF).

August 11, 1976. Memorandum. 2 Page(s).
Donald Reed. Chemistry Branch.
Pesticide Petition #5F1606. CGA-24705 on Corn and Meat. Results of Method Trial.
Document (PDF) (232 KB PDF).

August 13, 1976. Memorandum. 2 Page(s).
Donald Reed. Chemistry Branch.
PP #5F1606. Dual on Corn. Question of Metabolites Containing the Morpholine Moiety.
Document (PDF) (109 KB PDF).

October 29, 1976. Review. 4 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Label Review.
Document (PDF) (163 KB PDF).

November 03, 1976. Review. 2 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Corn Crop Rotation Restriction.
Document (PDF) (69 KB PDF).

December 03, 1976. Review. 3 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Registration for Use in Formulation of Herbicides.
Document (PDF) (142 KB PDF).

December 15, 1976. Review. 4 Page(s).
Gerald Gavin. Efficacy & Ecological Effects Branch.
Registration (Technical).
Document (PDF) (199 KB PDF).

January 04, 1977. Review. 1 Page(s).
H. Jacoby. Toxicology Branch.
100-LIT; Skin sensitization in guinea pigs. Tox Review No. 000428.
Document (PDF) (99 KB PDF).

February 25, 1977. Review. 2 Page(s).
R. W. Felthousen. Efficacy & Ecological Effects Branch.
Registration Amendment.
Document (PDF) (78 KB PDF).

March 23, 1977. Review. 6 Page(s).
Gerald Gavin. Efficacy & Ecological Effects Branch.
Registration on Corn.
Document (PDF) (274 KB PDF).

May 17, 1977. Memorandum. 2 Page(s).
R. W. Felthousen. Efficacy & Ecological Effects Branch.
Meeting with Ciba-Geigy about Registration Requirements for Dual (CGA-24705).
Document (PDF) (133 KB PDF).

May 17, 1977. Memorandum. 4 Page(s).
R. W. Felthousen. Efficacy & Ecological Effects Branch.
Metolachlor, Dual 6EC Chronic Fish and Predator Studies.
Document (PDF) (276 KB PDF).

May 20, 1977. Letter. 2 Page(s).
Jack Norton. Ciba-Geigy Corporation.
Meeting of May 17, 1977 Between H. Craven, R. Felthousen and H. Jacoby - EPA
and J. Barnett, L. Newby and J. Norton - Ciba-Geigy.
Document (PDF) (170 KB PDF).

June 10, 1977. Letter. 1 Page(s).
Henry Jacoby. Fungicide Herbicide Branch.
Meeting of June 10, 1977. Re: Chronic Fish Study with Metolachlor.
Document (PDF) (62 KB PDF).

June 14, 1977. Memorandum. 10 Page(s).
Donald Reed. Chemistry Branch.
PP #7F1913 Metolachlor on Soybeans. Evaluation of Analytical Method and
Residue Data. Product impurity information on pages 2-3 is not included.
Document (PDF) (550 KB PDF).

July 27, 1977. Review. 6 Page(s).
Thomas O'Brien. Efficacy & Ecological Effects Branch.
Registration (Soybeans).
Document (PDF) (329 KB PDF).

August 08, 1977. Review. 80 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
For Use on Soybeans.
Document (PDF) (3675 KB PDF).

September 06, 1977. Memorandum. 1 Page(s).
Donald Reed. Chemistry Branch.
PP #7F1913. Metolachlor (Dual) on Soybeans. Amendment of 8/1/77 Including
Revised Sections B and F.
Document (PDF) (119 KB PDF).

September 19, 1977. Memorandum. 2 Page(s).
D. Ritter. Toxicology Branch.
PP #7F1913 - Metolachlor (Dual) in Soybeans; Amendment of August 1, 1977.
Document (PDF) (119 KB PDF).

October 27, 1977. Review. 4 Page(s).
Efficacy and Ecological Effects Branch.
Aquatic Invertebrate Acute Toxicity.
Document (PDF) (445 KB PDF).

October 31, 1977. Review. 6 Page(s).
Efficacy and Ecological Effects Branch.
Avian Acute Oral LD50 (Mallard Ducks).
Document (PDF) (901 KB PDF).

December 02, 1977. Review. 1 Page(s).
Efficacy and Ecological Effects Branch.
Warmwater Fish Acute 96-Hour LC50 (Carassius carassius).
Document (PDF) (56 KB PDF).

December 02, 1977. Review. 1 Page(s).
Efficacy and Ecological Effects Branch.
Warmwater Fish Acute 96-Hour LC50 (Lebistes reticulatus).
Document (PDF) (46 KB PDF).

December 02, 1977. Review. 1 Page(s).
Efficacy and Ecological Effects Branch.
Warmwater Fish Acute 96-Hour LC50 (Lepomis macrochirus).
Document (PDF) (49 KB PDF).

December 02, 1977. Review. 6 Page(s).
Efficacy and Ecological Effects Branch.
Warmwater Fish Acute 96-Hour LC50.
Document (PDF) (530 KB PDF).

December 06, 1977. Review. 12 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
EUP for Corn, Alone and in Combination with Bladex, Banvel, AAtrex, Paraquat and Roundup.
Document (PDF) (457 KB PDF).

December 15, 1977. Data Eval. Rec. 3 Page(s).
John Leitzke. Ecological Effects Branch.
Avian Subacute Dietary LC50 (Wild Waterfowl).
Document (PDF) (142 KB PDF).

December 16, 1977. Data Eval. Rec. 8 Page(s).
H. T. Craven. Efficacy & Ecological Effects Branch.
Cold Water Fish Acute 96-Hour (LC50) - Rainbow Trout.
Document (PDF) (390 KB PDF).

December 16, 1977. DER. 10 Pages.
H. T. Craven. Efficacy & Ecological Effects Branch.
TEST TYPE: Cold Water Fish Acute 96 hr. (LC50). A. TEST ID: ES F 1. B.
TEST SPECIES: Rainbow Trout (Salmo gairdneri). MRID No. 00015534.
Document (PDF) (352 KB PDF).

January 01, 1978. Summary. 3 Page(s).
Carroll Collier. Criteria & Evaluation Division.
Generic Standard for Metolachlor. Summary of All Soil Metabolism Studies.
Document (PDF) (221 KB PDF).

January 06, 1978. Review. 2 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Soybeans (Special Review).
Document (PDF) (95 KB PDF).

January 10, 1978. Review. 9 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
EUP for Sorghum.
Document (PDF) (784 KB PDF).

January 12, 1978. Data Eval. Rec. 1 Page(s).
Christine Chaisson. Metabolic Effects Branch.
Mutagenicity.
Document (PDF) (54 KB PDF).

January 20, 1978. Data Eval. Rec. 2 Page(s).
Thomas Edwards. Metabolic Effects Branch.
Acute Oral Toxicity Study.
Document (PDF) (87 KB PDF).

January 20, 1978. Data Eval. Rec. 2 Page(s).
Thomas Edwards. Metabolic Effects Branch.
Subacute Oral Toxicity.
Document (PDF) (103 KB PDF).

January 20, 1978. Data Eval. Rep. 2 Page(s).
Thomas Edwards. Metabolic Effects Branch.
Acute Oral Toxicity - Emetic Dose 50.
Document (PDF) (65 KB PDF).

January 23, 1978. Data Eval. Rec. 1 Page(s).
Carolyn Gregorio. Metabolic Effects Branch.
Primary Eye Irritation.
Document (PDF) (57 KB PDF).

January 23, 1978. Data Eval. Rec. 1 Page(s).
William Burnam. Metabolic Effects Branch.
Teratogenic Study.
Document (PDF) (70 KB PDF).

January 23, 1978. Data Eval. Rec. 2 Page(s).
Carolyn Gregorio. Metabolic Effects Branch.
Acute Dermal Toxicity.
Document (PDF) (81 KB PDF).

January 23, 1978. Data Eval. Rec. 2 Page(s).
Carolyn Gregorio. Metabolic Effects Branch.
Dermal Sensitization Study.
Document (PDF) (107 KB PDF).

January 23, 1978. Data Eval. Rec. 2 Page(s).
Carolyn Gregorio. Metabolic Effects Branch.
Primary Dermal Irritation.
Document (PDF) (82 KB PDF).

January 23, 1978. Review. 5 Page(s).
Criteria and Evaluation Division.
Rotational Crop Uptake Study - Corn (14C-Metolachlor).
Document (PDF) (441 KB PDF).

January 23, 1978. Review. 7 Page(s).
Carroll Collier. Criteria & Evaluation Division.
Aerobic Soil Metabolism.
Document (PDF) (442 KB PDF).

January 23, 1978. Review. 7 Page(s).
Carroll Collier. Criteria & Evaluation Division.
Rotational Crop Uptake Study - Corn (Metolachlor Technical).
Document (PDF) (462 KB PDF).

January 24, 1978. Data Eval. Rec. 2 Page(s).
Carolyn Gregorio. Metabolic Effects Branch.
Dermal Sensitization Study.
Document (PDF) (75 KB PDF).

January 25, 1978. Data Eval. Rec. 5 Page(s).
Laurence Chitlik. Toxicology Branch.
Subacute Oral Study.
Document (PDF) (379 KB PDF).

January 26, 1978. Data Eval. Rec. 2 Page(s).
Christine Chaisson. Metabolic Effects Branch.
Cytotoxic or Mutagenic Effects.
Document (PDF) (101 KB PDF).

January 26, 1978. Memorandum. 11 Page(s).
William Burnam. Metabolic Effects Branch.
Metolachlor Evaluation.
Document (PDF) (357 KB PDF).

January 31, 1978. Memorandum. 4 Page(s).
S-L Chan. Toxicology Branch.
EPA #100-EUP-59, An EUP for Dual 8E and Tank Mixes.
Inert ingredient information on page 1 is not included.
Document (PDF) (202 KB PDF).

February 02, 1978. Data Eval. Rec. 3 Page(s).
H. T. Craven. Efficacy & Ecological Effects Branch.
Fresh Water Aquatic Invertebrate Acute 48-Hour - Daphnia magna Straus.
Document (PDF) (443 KB PDF).

February 02, 1978. DER. 9 Pages.
H. T. Craven. Efficacy & Ecological Effects Branch.
TEST TYPE: Freshwater aquatic invertebrate acute 48 hr. A. TEST ID: ES H1 B.
TEST SPECIES: Daphnia magna. MRID No. 00015546.
Document (PDF) (416 KB PDF).

February 08, 1978. Guidelines. 10 Page(s).
Toxicology Branch.
Acute Toxicological Testing.
Document (PDF) (677 KB PDF).

February 10, 1978. Data Eval. Rec. 5 Page(s).
John Leitzke. Ecological Effects Branch.
Avian Acute Oral LD50 - Mallards.
Document (PDF) (501 KB PDF).

February 13, 1978. Review. 14 Page(s).
Richard Balcomb. Efficacy & Ecological Effects Branch.
EUP - Sorghum.
Document (PDF) (805 KB PDF).

February 23, 1978. Memorandum. 16 Page(s).
John Leitzke. Ecological Effects Branch.
Metolachlor Evaluation.
Document (PDF) (497 KB PDF).

April 03, 1978. Memorandum. 21 Page(s).
John Leitzke. Ecological Effects Branch.
Metolachlor - Generic Standard.
Document (PDF) (1238 KB PDF).

April 07, 1978. Efficacy Review. 4 Page(s).
Richard Petrie. Efficacy & Ecological Effects Branch.
New Product Registration for Use on Corn Excluding Popcorn. Data also Submitted in Support
of Future Use on Soybeans. Inert ingredient information on page 2 is not included.
Document (PDF) (178 KB PDF).

April 08, 1978. Review. 9 Page(s).
Richard Balcomb. Efficacy & Ecological Effects Branch.
Registration for Corn.
Document (PDF) (476 KB PDF).

April 13, 1978. Memorandum. 16 Page(s).
John Leitzke. Ecological Effects Branch.
Metolachlor - Generic Standard.
Document (PDF) (778 KB PDF).

April 18, 1978. Guidelines. 10 Page(s).
Toxicology Branch.
Effects Assessment - Humans and Domestic Animals.
Document (PDF) (685 KB PDF).

May 03, 1978. Memorandum. 39 Page(s).
Laurence Chitlik. Toxicology Branch.
Substantive Amendment to PP No. 7F1913 proposing a tolerance of 0.1 ppm for the
herbicide metolachlor and metablolites in or on soybeans and 0.02 ppm in eggs, milk,
and the meat, fat of cattle, goats,... and sheep. Tox review 000434. MRID No. 00015396.
Document (PDF) (5579 KB PDF).

June 28, 1978. Memorandum. 3 Page(s).
Carroll Collier. Chemistry Branch.
Metolachlor - Generic Standard - Rotational Crop Restrictions.
Document (PDF) (189 KB PDF).

June 30, 1978. Review. 4 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
New Product on Corn for Grain Excluding Popcorn.
Document (PDF) (469 KB PDF).

July 03, 1978. Meeting Record. 1 Page(s).
H. T. Craven. Efficacy & Ecological Effects Branch.
Categorization of Studies and Classification of Ciba-Geigy's Dual 8E.
Document (PDF) (182 KB PDF).

July 07, 1978. Review. 2 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Revision of Crop Rotation Restriction.
Document (PDF) (80 KB PDF).

July 08, 1978. Memorandum. 1 Page(s).
S. L. Chan. Toxicology Branch.
Dual 8E, EPA #100-LOT.
Document (PDF) (36 KB PDF).

July 11, 1978. Letter. 3 Page(s).
Jack Norton. Ciba-Geigy Corporation.
Dual 8E Herbicide - EPA File Symbol 100-LOT.
Environmental Safety Reviews for Classification.
Document (PDF) (238 KB PDF).

July 20, 1978. DER. 1 Page.
R. Balcomb. Ecological Effects Branch.
Test Type: Bluegill Sunfish: 96-hr LC50. Test ID. # ES-F. MRID No. 00018723.
Document (PDF) (51 KB PDF).

July 20, 1978. DER. 3 Pages.
R. Balcomb. Ecological Effects Branch.
Test Type: Rainbow Trout 96-hr LC50. Test ID. # ES-G. MRID No. 00018722.
Document (PDF) (129 KB PDF).

July 20, 1978. Review. 1 Page(s).
Richard Balcomb. Efficacy & Ecological Effects Branch.
Bluegill Sunfish 96-Hour LC50.
Document (PDF) (85 KB PDF).

July 20, 1978. Review. 3 Page(s).
Richard Balcomb. Efficacy & Ecological Effects Branch.
Rainbow Trout 96-Hour LC50.
Document (PDF) (258 KB PDF).

July 21, 1978. Review. 4 Page(s).
Richard Balcomb. Efficacy & Ecological Effects Branch.
Avian LD50 - Mallard Duck.
Document (PDF) (639 KB PDF).

July 25, 1978. Review. 2 Page(s).
Richard Balcomb. Efficacy & Ecological Effects Branch.
Data Review.
Document (PDF) (117 KB PDF).

July 28, 1978. Review. 1 Page(s).
Environmental Fate Branch.
New Product for Use on Corn for Grain Excluding Popcorn.
Document (PDF) (41 KB PDF).

August 17, 1978. Review. 15 Page(s).
Richard Petrie. Efficacy & Ecological Effects Branch.
Add Use on Sorghum to Both Labels.
Document (PDF) (896 KB PDF).

August 23, 1978. Memorandum. 2 Page(s).
David Ritter. Toxicology Branch.
Metolachlor Degradation Products. (5G1556, 5F1606, 6G1706 and 7F1913).
Document (PDF) (124 KB PDF).

August 28, 1978. Letter. 5 Page(s).
Jack Norton. Ciba-Geigy Corporation.
Dual 8E Herbicide - EPA Reg. No. 100-597. Request for Acceptance of Finished
Labeling to Allow Use on Corn Grown for Grain, Excluding Popcorn.
Document (PDF) (519 KB PDF).

September 06, 1978. Memorandum. 4 Page(s).
Donald Reed. Residue Chemistry Branch.
Metabolism of Metolachlor. Re: Tox Memo of 8/23/78. (PP Nos. 5G1553, 5F1606,
6G1708, 7F1913, 8F2081, 8F2098).
Document (PDF) (202 KB PDF).

September 15, 1978. Data Summary. 12 Page(s).
Efficacy and Ecological Effects Branch.
Technical Metolachlor.
Document (PDF) (525 KB PDF).

September 18, 1978. Memorandum. 16 Page(s).
Laurence Chitlik. Toxicology Branch.
Addendum of 6/30/78 and 8/17/78 to PP No. 7F1913 Proposing a Tolerance of 0.1
ppm for the Herbicide Metolachlor and its Metabolites in or on Soybeans and 0.02 ppm
in Eggs, Milk, and the Meat, Fat of Cattle, Goats, Hogs, Horses, Poultry and Sheep.
Document (PDF) (937 KB PDF).

October 13, 1978. Review. 9 Page(s).
Environmental Fate Branch.
New Use on Grain Sorghum and Tank Mix with Terbutryn.
Document (PDF) (334 KB PDF).

January 11, 1979. Review. 12 Page(s).
Larry Turner. Efficacy & Ecological Effects Branch.
Experimental Use Permit - Grain, Sorghum.
Document (PDF) (365 KB PDF).

January 19, 1979. Review. 3 Page(s).
Ronald Ney. Environmental Fate Branch.
EUP on Sorghum Grown for Grain. Total Acreage Is 50 Acres.
This Is a Prepackaged Combination Herbicide.
Document (PDF) (201 KB PDF).

January 30, 1979. Review. 13 Page(s).
Ronald Ney. Environmental Fate Branch.
Amendment (Reg. No. 100-583).
Document (PDF) (373 KB PDF).

February 21, 1979. Memorandum. 4 Page(s).
John Doherty. Toxicology Branch.
EPA No. 100-EUP-AE. Milocep Herbicide (Metolachlor- Propazine Prepack).
Caswell #188DD and #184. Inert ingredient information on page 1 is not included.
Document (PDF) (376 KB PDF).

March 01, 1979. Memorandum. 1 Page(s).
A. R. Rathman. Residue Chemistry Branch.
PP #8G2019. Metolachlor on Grain Sorghum.
Request for Extension of Temporary Tolerances.
Document (PDF) (81 KB PDF).

March 07, 1979. Memorandum. 1 Page(s).
John Doherty. Toxicology Branch.
EPA #100-EUP-AE. Milocep, Clarification of Inert...
Inert ingredient information is not included.
Document (PDF) (127 KB PDF).

March 26, 1979. Memorandum. 3 Page(s).
Laurence Chitlik. Toxicology Branch.
PP #8F2098 Proposing Tolerances for Combined Residues of the Herbicide Metolachlor
and its Metabolites in or on Sorghum Forage and Fodder and Sorghum Grain.
Caswell No. 188DD.
Document (PDF) (200 KB PDF).

April 02, 1979. Memorandum. 9 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #8F2081. Metolachlor in Corn and Soybeans. Evaluation of Residue Data and
Analytical Method. Page 4 is not included - inert ingredient information.
Page 5 is not included - manufacturing process information.
Document (PDF) (468 KB PDF).

April 05, 1979. Memorandum. 6 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #8F2098. Metolachlor in Sorghum. Evaluation of Residue Data and Analytical Method.
Document (PDF) (338 KB PDF).

April 06, 1979. Memorandum. 4 Page(s).
Laurence Chitlik. Toxicology Branch.
PP #8F2081 Proposing Tolerances for the Combined Residues of the Herbicide Metolachlor
and its Metabolites, in or on Corn Forage and Fodder, Fresh Corn Including Sweet Corn
(Kernals plus Cobs Husks Removed), Popcorn (Grain), and Soybean Forage and Fodder.
Document (PDF) (214 KB PDF).

May 30, 1979. Memorandum. 1 Page(s).
K. Zee. CBIB.
Analysis of Alachlor in the Presence of Metolachlor.
Document (PDF) (37 KB PDF).

June 07, 1979. Review. 5 Page(s).
Ronald Ney. Environmental Fate Branch.
New Product.
Document (PDF) (241 KB PDF).

August 28, 1979. Review. 3 Page(s).
R. W. Cook. Environmental Fate Branch.
Peanut (100-583, -597, 9F2213).
Document (PDF) (101 KB PDF).

August 29, 1979. Efficacy Review. 4 Page(s).
Sami Malak. Fungicide-Herbicide Branch.
Amend Use on Peanuts.
Document (PDF) (169 KB PDF).

September 27, 1979. Memorandum. 2 Page(s).
Robert Carsel. Environmental Fate Branch.
Metolachlor (Registration Standard Chemical) Groundwater Contamination.
Document (PDF) (126 KB PDF).

October 02, 1979. Review. 6 Page(s).
Richard Felthousen. Ecological Effects Branch.
File or Reg. No 100-587. Resubmission with data. Accession No. 236620. Fish
Complete Life Cycle; Fathead minnow. MRID 00162428. One-Generation Reproduction
Study- Bobwhite quail. One-Generation Reproduction Study- Mallard duck.
Document (PDF) (145 KB PDF).

October 22, 1979. Memorandum. 4 Page(s).
John Doherty. Toxicology Branch.
EPA File No. 876-25, Banvel and Tank Mixes with Various Other Herbicides.
Caswell Nos. 295, 315, 11, 434A, 188DD.
Document (PDF) (161 KB PDF).

November 01, 1979. Review. 1 Page(s).
Ronald Ney. Environmental Fate Branch.
Potential Leaching of Metolachlor.
Document (PDF) (55 KB PDF).

November 01, 1979. Review. 5 Page(s).
Ronald Ney. Environmental Fate Branch.
Potatoes.
Document (PDF) (172 KB PDF).

November 16, 1979. Memorandum. 7 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #s 9F2203/9F2213: Metolachlor in Potatoes and Peanuts.
Evaluation of Residue Data and Analytical Method.
Document (PDF) (399 KB PDF).

January 02, 1980. Efficacy Review. 5 Page(s).
Sami Malak. Fungicide-Herbicide Branch.
Amend: Tank Mixture with Dyanap on Peanuts.
Document (PDF) (195 KB PDF).

January 14, 1980. Memorandum. 6 Page(s).
Sherell Sterling. Fungicide Herbicide Branch.
EPA File Symbol: 100-ANU. Milocep.
Document (PDF) (460 KB PDF).

January 30, 1980. Review. 4 Page(s).
Jane Talarico. Fungicide-Herbicide Branch.
Label Review - Addition of Atratol 80W or Princep 80W Plus
Dual 8E Tank Mixes for Railroad Rights-of-Way.
Document (PDF) (154 KB PDF).

February 07, 1980. Memorandum. 22 Page(s).
Laurence Chitlik. Toxicology Branch.
Proposed Tolerances for Residues of the Herbicide Metolachlor; PP #8F2081,
Registration #100-583; PP #8F2098, Reg. #100-597; PP #9F2213, Reg. #100-583
and 100-597; PP #9F2203, Reg. #100-583 and 100-597, Held in Abeyance,
(Conditional Registration Proposed).
Document (PDF) (1216 KB PDF).

February 15, 1980. Efficacy Review. 3 Page(s).
Sami Malak. Fungicide-Herbicide Branch.
Review of Revised Finished Label.
Document (PDF) (132 KB PDF).

April 24, 1980. Memorandum. 1 Page(s).
Laurence Chitlik. Toxicology Branch.
Ciba-Geigy Proposal to Abort a 24-Month Mouse Study (Initiated 9/6/79)
Due to Suspected Viral Infection.
Document (PDF) (59 KB PDF).

June 30, 1980. Review. 6 Page(s).
Mary Gessner. Ecological Effects Branch.
Incremental Risk Assessment for Proposed Use on Ornamentals.
Document (PDF) (220 KB PDF).

July 16, 1980. Review. 32 Page(s).
Curtis Laird. Ecological Effects Branch.
Incremental Risk Assessment for Proposed Conditional Registration Amendments.
Document (PDF) (1057 KB PDF).

August 11, 1980. Review. 3 Page(s).
Willa Garner. Environmental Fate Branch.
Review Dual + Dyanap Tank Mix Soil Dissipation Data.
Document (PDF) (114 KB PDF).

August 25, 1980. Memorandum. 10 Page(s).
Sherell Sterling. Fungicide Herbicide Branch.
EPA Reg. No. 100-597. Dual 8E.
Document (PDF) (562 KB PDF).

September 10, 1980. Memorandum. 11 Page(s).
Willa Garner. Environmental Fate Branch.
Estimated Environmental Concentration (EEC) and Fate Data for Metolachlor
(EPA Reg. No. 100-597) Dual 8E.
Document (PDF) (287 KB PDF).

September 16, 1980. Memorandum. 3 Page(s).
H. Craven. Ecological Effects Branch.
EEB Comments on Drafts of Registration Standards for Metolachlor and Aspon.
Document (PDF) (161 KB PDF).

September 19, 1980. Review. 10 Page(s).
Russel Farringer. Ecological Effects Branch.
Conditional Registration for Tank Mix Use on Railroad Rights-of-Way.
Document (PDF) (422 KB PDF).

October 27, 1980. Review. 9 Page(s).
John Leitzke. Ecological Effects Branch.
Conditional Registration of Sunflower & Flax Uses.
Document (PDF) (343 KB PDF).

November 06, 1980. Memorandum. 2 Page(s).
Sherell Sterling. Fungicide Herbicide Branch.
Dual 8E Herbicide. EPA Registration No. 100-597.
Document (PDF) (86 KB PDF).

December 16, 1980. Memorandum. 2 Page(s).
H. Craven. Ecological Effects Branch.
Response to Ciba-Geigy's Request for a Reevaluation of EPA's Requirement
for Field Monitoring of Metolachlor.
Document (PDF) (143 KB PDF).

December 16, 1980. Review. 3 Page(s).
J. C. Reinert. Environmental Fate Branch.
Use Pattern for EEC Calculations: Corn/Soybeans.
Document (PDF) (164 KB PDF).

January 01, 1981. Memorandum. 2 Page(s).
Bill Burnam. Toxicology Branch.
Meeting on Metolachlor Toxicology Reviews Files 100-587, 100-597.
Document (PDF) (85 KB PDF).

January 26, 1981. Memorandum. 8 Page(s).
K. H. Arne. Residue Chemistry Branch.
PP #0F2417 Metolachlor on Flax. Evaluation of Analytical Method and
Residue Data. Product impurity information on page 2 is not included.
Document (PDF) (498 KB PDF).

February 04, 1981. Memorandum. 7 Page(s).
K. H. Arne. Residue Chemistry Branch.
PP #0F2416 Metolachlor on Sunflowers. Evaluation of Analytical Method and
Residue Data. Product impurity information on page 2 is not included.
Document (PDF) (433 KB PDF).

March 25, 1981. Memorandum. 1 Page(s).
K. H. Arne. Residue Chemistry Branch.
PP #0F2416. Metolachlor on Sunflowers. Amendment of 3/2/81.
Document (PDF) (53 KB PDF).

April 14, 1981. Review. 4 Page(s).
Mary Gessner. Ecological Effects Branch.
Submission of Mallard Duck Acute Oral LD50 Identified as Data
Gap in Registration Standard.
Document (PDF) (142 KB PDF).

May 04, 1981. Review. 8 Page(s).
Daniel Rieder. Ecological Effects Branch.
Proposed Conditional Registration of Seed and Pod Vegetables.
Document (PDF) (309 KB PDF).

June 18, 1981. Memorandum. 8 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #1F2495. Metolachlor in Seed and Pod Vegetables.
Evaluation of Analytical Method and Residue Data.
Document (PDF) (485 KB PDF).

June 18, 1981. Review. 12 Page(s).
Willa Garner. Environmental Fate Branch.
Amended Registration for Use on Seed & Pod Vegetables.
Document (PDF) (420 KB PDF).

July 02, 1981. Memorandum. 7 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #1F2506. Metolachlor in Cottonseed.
Evaluation of Residue Data and Analytical Method.
Document (PDF) (361 KB PDF).

July 17, 1981. Memorandum. 7 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #1F2521. Metolachlor on Corn.
Evaluation of Analytical Method and Residue Data.
Document (PDF) (404 KB PDF).

July 28, 1981. Memorandum. 4 Page(s).
Gary Burin. Toxicology Branch.
Draft Summary of January 27, 1981 Metolachlor Meeting with Ciba-Geigy.
Document (PDF) (182 KB PDF).

August 03, 1981. Review. 2 Page(s).
Willa Garner. Environmental Fate Branch.
Fill Data Gaps in the Registration Standard.
Document (PDF) (57 KB PDF).

September 09, 1981. Memorandum. 4 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #9F2203. Metolachlor in Potatoes. Amendment of 7/14/81.
Document (PDF) (245 KB PDF).

October 05, 1981. Memorandum. 10 Page(s).
Gary Burin. Toxicology Branch.
Proposed Tolerances for Metolachlor on Sunflowers (0.3 ppm), Sunflower Meal and
Hulls (0.6 ppm), PP#0F2416; Seed and Pod Vegetables (0.3 ppm), PP #1F2495;
Sweet Corn and Popcorn (0.1 ppm), PP #1F2521; Cottonseed (0.1 ppm), 1F2506;
Flaxseed (0.2 ppm)….
Document (PDF) (509 KB PDF).

October 25, 1981. Memorandum. 1 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #9F2203. Metolachlor on Potatoes. Amendment of 9/28/81.
Document (PDF) (49 KB PDF).

November 10, 1981. Review. 2 Page(s).
Russel Farringer. Ecological Effects Branch.
Registrant Request for Label Revision.
Document (PDF) (106 KB PDF).

November 10, 1981. Review. 2 Page(s).
Russel Farringer. Ecological Effects Branch.
Submission of Additional Data to Support Previous Request(s) by Registrant.
Document (PDF) (66 KB PDF).

November 12, 1981. Review. 2 Page(s).
Willa Garner. Environmental Fate Branch.
Verify Calculation on EEC in H2O from Railroad Tracks Right-of-Way Use.
Document (PDF) (52 KB PDF).

November 18, 1981. Memorandum. 3 Page(s).
Gary Burin. Toxicology Branch.
Response to Ciba-Geigy Comments re Metolachlor Chronic Rat Feeding Study.
Document (PDF) (167 KB PDF).

January 19, 1982. Memorandum. 2 Page(s).
Deloris Graham. Fungicide Herbicide Branch.
EPA Registration Number 100-597 (1), Dual 8E.
EPA Registration Number 100-610 (2), Ontrack 8E.
Document (PDF) (75 KB PDF).

January 22, 1982. Memorandum. 4 Page(s).
Gary Burin. Toxicology Branch.
Review of Data for Metolachlor, 100-597. Acc. No. 345957-61. Tox review 001374.
Document (PDF) (207 KB PDF).

January 22, 1982. Review. 14 Page(s).
Willa Garner. Environmental Fate Branch.
Review Exposure Study and Exposure Estimates - Use on Flax, Sunflower, Cotton,
Corn, Seed Pod, Potatoes.
Document (PDF) (370 KB PDF).

January 29, 1982. Memorandum. 4 Page(s).
Gary Burin. Toxicology Branch.
Addendum to Metolachlor Memo of October 7, 1981; Risk Assessment for Additional
New Uses (Including Potatoes, PP #9F2203) & 100-597. Tox Chem. #188DD.
Document (PDF) (241 KB PDF).

February 08, 1982. Memorandum. 4 Page(s).
Gary Burin. Toxicology Branch.
Proposed Tolerance for Metolachlor on Safflower Seed (0.1 ppm), PP #2F2601.
Document (PDF) (197 KB PDF).

February 12, 1982. Memorandum. 10 Page(s).
M. Nelson. Residue Chemistry Branch.
PP #2F2601. Metolachlor in or on Safflower Seed. Evaluation of Analytical
Methodology and Residue Data. EPA Reg. No. 100-597. Request to Amend the
Registration of Dual 8E Herbicide to Permit its Use on Safflowers.
Document (PDF) (543 KB PDF).

February 22, 1982. Memorandum. 14 Page(s).
M. Nelson. Residue Chemistry Branch.
PP #1E2563. Metolachlor in Rotational Grain Crop Forage and Fodder.
Evaluation of Analytical Methodology and Residue Data.
Inert ingredient information on page 4 is not included.
Document (PDF) (888 KB PDF).

September 09, 1982. Memorandum. 4 Page(s).
Edward Zager. Residue Chemistry Branch.
Metolachlor on Corn and Potatoes.
Document (PDF) (238 KB PDF).

January 27, 1983. Memorandum. 3 Page(s).
Gary Burin. Toxicology Branch.
Preliminary Report on Repeat Chronic Rat Study of Metolachlor.
Document (PDF) (185 KB PDF).

December 14, 1983. Memorandum. 15 Page(s).
Gary Burin. Toxicology Branch.
Review of Chronic Rat Study of Metolachlor. Accession Nos. 250369-250375.
Caswell #188DD. Tox Review 003435.
Document (PDF) (854 KB PDF).

December 14, 1983. Memorandum. 6 Page(s).
K. H. Arne. Residue Chemistry Branch.
PP #3F2951. Metolachlor on Sorghum Forage and Fodder. Evaluation of Analytical
Methods and Residue Data. Accession Numbers 071904 and 071905.
Document (PDF) (374 KB PDF).

December 15, 1983. Memorandum. 6 Page(s).
K. H. Arne. Residue Chemistry Branch.
PP #3F2957. Metolachlor on Stone Fruits. Evaluation of Analytical Methods and
Residue Data. Accession Numbers 071926 and 071927.
Document (PDF) (346 KB PDF).

January 09, 1984. Memorandum. 6 Page(s).
K. H. Arne. Residue Chemistry Branch.
PP #3F2958. Metolachlor on Tree Nuts. Evaluation of Analytical Method and
Residue Data. Accession Numbers 071928 and 071929.
Document (PDF) (361 KB PDF).

January 26, 1984. Memorandum. 2 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #3F2957. Metolachlor on Stone Fruits. Amendment of 1/3/84.
Document (PDF) (133 KB PDF).

February 13, 1984. Memorandum. 2 Page(s).
Gary Burin. Toxicology Branch.
Proposed Metolachlor Lab Audit and Memo of January 26, 1984 from Dexter Goldman.
Document (PDF) (1244 KB PDF).
Attachment(s) Following:

December 09, 1982. Letter. 6 Page(s).
Gene Holt. Ciba-Geigy Corporation.
Metolachlor Herbicide. Risk Assessment Based on the Repeat 2-Year Rat Study.

November 01, 1983. Letter. 2 Page(s).
Merrill Tisdel. Hazleton Laboratories America, Inc.
Two-Year Toxicity and Oncogenicity Study with Metolachlor Technical in Albino Rats.

November 02, 1983. Letter. 1 Page(s).
Gene Holt. Ciba-Geigy Corporation.
Metolachlor Herbicide. Repeat 2-Year Rat Chronic Feeding Study. Explanation of
Change in Diagnoses of Liver Pathology Between Preliminary Report and Final Report.

December 14, 1983. Memorandum. 6 Page(s).
Gary Burin. Toxicology Branch.
Review of Chronic Rat Study of Metolachlor. Accession Nos. 250369-250375.

January 26, 1984. Memorandum. 2 Page(s).
Dexter Goldman. Laboratory Data Integrity Program, EPA.
Proposed Audits at Hazleton (Raltech) on Metolachlor.

*End of Attachments*

February 14, 1984. Memorandum. 2 Page(s).
K. H. Arne. Residue Chemistry Branch.
PP #3F2958. Metolachlor on Tree Nuts. Amendment of 2/1/84.
Document (PDF) (66 KB PDF).

March 06, 1984. Memorandum. 6 Page(s).
R. W. Cook. Residue Chemistry Branch.
EPA Accession Number 072161. EPA Accession Number 072162. PP #4F3000.
Metolachlor in or on Apples. Evaluation of Analytical Method and Residue Data.
Document (PDF) (373 KB PDF).

August 03, 1984. Memorandum. 29 Page(s).
Stephen Saunders. Toxicology Branch.
Metolachlor Mouse Oncogenicity Study; EPA Reg. No. 100-587;
Accession Nos. 248722-25; Caswell #188DD. Pages 12-20 removed, registrant data.
Tox review 003885.
Document (PDF) (1231 KB PDF).

September 20, 1984. Memorandum. 2 Page(s).
Gary Burin. Toxicology Branch.
Review of Laboratory Audit Report for Metolachlor Chronic Rat Study.
Tox Chem. #188DD. Tox review 004199.
Document (PDF) (128 KB PDF).

January 08, 1985. Memorandum. 3 Page(s).
Gary Burin. Toxicology Branch.
Recommendation for Revision of Metolachlor Risk Assessment, Acc. No. 255592,
Caswell #188DD Tox review 004200.
Document (PDF) (220 KB PDF).

January 08, 1985. Memorandum. 3 Page(s).
K. H. Arne. Residue Chemistry Branch.
Metolachlor on Tree Nuts. Amendment of 10/23/84.
Document (PDF) (135 KB PDF).

April 24, 1985. Memorandum. 7 Page(s).
Stephen Saunders. Toxicology Branch.
IR-4 Minor Use Petition for Metolachlor on Chili Peppers. Petition #5E3236.
Document (PDF) (396 KB PDF).

April 26, 1985. Memorandum. 8 Page(s).
Michael Firestone. Residue Chemistry Branch.
PP #5E3236 (RCB Number 878). Metolachlor on Chili Peppers.
Evaluation of Analytical Methods and Residue Data (Accession Number 073472).
Document (PDF) (404 KB PDF).

June 06, 1985. Memorandum. 3 Page(s).
Michael Firestone. Residue Chemistry Branch.
PP #5E3236 (RCB #1060). Metolachlor on Chili Peppers.
Evaluation of Amendment Dated May 16, 1985 (No Accession Number).
Document (PDF) (121 KB PDF).

June 17, 1985. Review. 2 Page(s).
Joseph Reinert. Exposure Assessment Branch.
Protocol Review.
Document (PDF) (41 KB PDF).

August 23, 1985. Memorundum. 7 Page(s).
Reto Engler. Toxicology Branch.
Peer Review of Metolachlor. Tox Review 007809.
Document (PDF) (408 KB PDF).

October 21, 1985. Memorandum. 24 Page(s).
Stephen Saunders. Toxicology Branch.
Additional Toxicology Data for Metolachlor. EPA ID No. 100-587, Tox PN #44;
Caswell #188DD. Pages 10-13, 16-18, 21-24 removed, registrant data. Tox review 004725.
Document (PDF) (764 KB PDF).

April 15, 1986. Memorandum. 8 Page(s).
Michael Firestone. Residue Chemistry Branch.
PP #6E3378. [RCB Number 701] - Metolachlor on Tobasco Peppers - Evaluation
of Analytical Methods and Residue Data (Accession Number 261422).
Document (PDF) (397 KB PDF).

July 14, 1986. Final Report. 88 Page(s).
Dynamac Corporation for EPA/OPP.
METOLACHLOR Final Report. Final Registration Standard and Tolerance
Reassessment. Studies (DERs) 1 to 16; 1. Photodegradation in water... 15.
Accumulation of metolachlor in fish 16. Monitoring study.
Document (PDF) (1982 KB PDF).

March 18, 1987. Memorandum. 5 Page(s).
Maxie Jo Nelson. Residue Chemistry Branch.
EPA Reg. No. 100-587. Metolachlor (CGA-24705). Evaluation of a Protocol for a Frozen
Storage Stability Study in Animal Products. RCB No. 2028. Accession No.: None.
Document (PDF) (224 KB PDF).

April 15, 1987. Memorandum. 4 Page(s).
Michael Metzger. Residue Chemistry Branch.
87-WI-04. Section 18 for Metolachlor (Dual 8E, EPA Reg. No. 100-597) on Dry Bulb Onions.
No Acc. Number / No MRID Number. RCB #2132.
Document (PDF) (239 KB PDF).

April 27, 1987. Memorandum. 6 Page(s).
Deloris Graham. Fungicide Herbicide Branch.
EPA File Symbol 10182-RRO. Prelude Herbicide Tox review 006189.
Document (PDF) (288 KB PDF).

May 06, 1987. Memorandum. 4 Page(s).
Francis Suhre. Residue Chemistry Branch.
CA-860072: Amendment to Review Dated 3-13-87; Section 24(c) Registration
for Metolachlor on Lupine. No Accession No., No RCB No.
Document (PDF) (200 KB PDF).

July 02, 1987. Review. 19 Page(s).
Carolyn Offutt. Exposure Assessment Branch.
EAB Review of Alachlor & Alternatives: Atrazine, Cyanazine, Linuron, Metribuzin,
Metolachlor, Simazine, Trifluralin, Butylate (Ground Water Monitoring Only). Review
of 1985 Surface and Ground Water Screening Results for Selected Herbicides for PD4.
Document (PDF) (1205 KB PDF).

September 30, 1987. Review. 11 Page(s).
Carolyn Offutt. Exposure Assessment Branch.
Reg./File # : 100-587. Review of two protocols - one for ground water monitoring
and one for surface water monitoring. Page 8 removed, registrant data.
Document (PDF) (314 KB PDF).

October 06, 1987. Memorandum. 10 Page(s).
Gobind Makhijani. Residue Chemistry Branch.
Ciba-Geigy Corporation's Response to the Product Chemistry Chapter - Metolachlor
Registration Standard. MRID Nos. 402766-00, -01, & -02. Manufacturing Process, Inert
Ingredients, & Description of Quality Control Process info removed from pages 8-10.
Document (PDF) (306 KB PDF).

October 06, 1987. Review. 17 Page(s).
Carolyn Offutt. Exposure Assessment Branch.
EAB Review of Alachlor. Submission of Final 1986 Surface Water Monitoring
Results for Alachlor, Atrazine, Cyanazine, Metolachlor, and Simazine.
Page 17 removed, registration data.
Document (PDF) (839 KB PDF).

November 09, 1987. Memorandum. 14 Page(s).
Stephen Saunders. Toxicology Branch.
Company Response to EPA Reviews of Metolachlor; Miscellaneous Data.
Tox PN #1878; Caswell #188DD. Accession Nos. 262712, 262713.
Pages 9-11 removed, registrant data. Tox review 006444.
Document (PDF) (661 KB PDF).

April 20, 1988. Memorandum. 4 Page(s).
Mary Waller. Fungicide Herbicide Branch.
EPA Registration Number 10182-119. Prelude Herbicide.
Document (PDF) (201 KB PDF).

May 19, 1988. Memorandum. 10 Page(s).
Martin Kovacs. Residue Chemistry Branch.
PP #8E3616 (RCB No. 3588) - Metolachlor on Bell Peppers - Evaluation of
Analytical Method and Residue Data (MRID Nos. 405573-00 and 405573-01).
Document (PDF) (592 KB PDF).

August 11, 1988. Memorandum. 10 Page(s).
Stephanie Willett. Residue Chemistry Branch.
Petition Review for Establishment of Tolerance(s). Evaluation of Analytical Method(s)
and Residue Data. Petition No. 8E3637. RCB No. 3966. Metolachlor - 1.0 ppm on Cabbage.
Document (PDF) (468 KB PDF).

March 24, 1989. Memorandum. 8 Page(s).
Martin Kovacs. Dietary Exposure Branch.
PP #8E3616. (DEB No. 4561) - Metolachlor on Bell Peppers - Evaluation of
Amendment Dated October 3, 1988 (No Accession Number).
Document (PDF) (486 KB PDF).

April 03, 1989. Memorandum. 23 Page(s).
Francis Griffith. Dietary Exposure Branch.
PP#7E3489 - CGA-154281 Exemption from the Requirement of a Tolerance.
Evaluation of October 25, 1988, Amendment. (MRID Nos. 408698-00 through -09)
[DEB No. 4660] (HED Project No. 9-0379).
Document (PDF) (1874 KB PDF).

May 15, 1989. Memorandum. 2 Page(s).
Maxie Jo Nelson. Dietary Exposure Branch.
PP #9E3708. Metolachlor (Dual) in or on Cubanelle Peppers.
Amendment of March 20, 1989. DEB #5185. HED #9-1227. MRID #N/A.
Document (PDF) (106 KB PDF).

June 14, 1989. Memorandum. 28 Page(s).
Robert Quick. Dietary Exposure Branch.
I.D. No. 100-587. Metolachlor Registration Standard Follow-Up. Ciba-Geigy
Submission Dated January 27, 1989. MRID Nos. 40980702 to 40980708 and
40766601 and 40766602. DEB #4931.
Document (PDF) (1692 KB PDF).

July 13, 1989. Memorandum. 5 Page(s).
Martin Kovacs. Dietary Exposure Branch.
PP #8E3616 (DEB No. 5184) - Metolachlor on Bell Peppers. Evaluation of Amendment
Dated February 23, 1989. (Information Regarding Bell Pepper Production in Texas).
No Accession Number.
Document (PDF) (310 KB PDF).

September 15, 1989. Review. 3 Page(s).
Paul Mastradone. Environmental Fate & Ground Water Branch.
Reg. No. 100-587. Dual. Request for Extension Until 1 December 1989
for Submission of Field Dissipation Studies.
Document (PDF) (270 KB PDF).
Attachment(s) Following:

March 01, 1989. Letter. 4 Page(s).
D. Larry Merricks. Ciba-Geigy Corporation.
Metolachlor Registration Standard Requirement for Field Dissipation Studies.
Request for Extension.

*End of Attachments*

November 30, 1989. Memorandum. 75 Page(s).
Paul Mastradone. Environmental Fate & Ground Water Branch.
Review results of the aerobic and anaerobic metabolism studies, and fish
accumulation studies submitted in accordance with the metolachlor registration
standard. Pages 9-38, 44-75 removed, registrant data. MRID 41185701, 41154201.
Document (PDF) (897 KB PDF).

July 13, 1990. Memorandum. 9 Page(s).
Christine Olinger. Dietary Exposure Branch.
Amended Registration for Dual and Medal (Metolachlor) Use on Cotton;
EPA Reg. Nos. 100-597, 100-673, 100-688; MRID Nos. 414255-01 through -03;
DEB Nos. 6708-6710.
Document (PDF) (637 KB PDF).

October 23, 1990. Memorandum. 3 Page(s).
Francis Griffith. Chemistry Branch.
PP #0E3882 - Metolachlor (Dual) on Celery. Review of the September 26, 1990
Amendment. (No MRID Number) [DEB No. 7080] (HED Project No. 0-1677).
Document (PDF) (131 KB PDF).

April 17, 1991. SAP Package. 77 Page(s).
Gary Burin. Toxicology Branch.
Second Peer Review of Metolachlor.
Document (PDF) (4196 KB PDF).

May 31, 1991. Memorandum. 13 Page(s).
James Kariya. Science Analysis & Coordination Branch.
Estimate of upper-bound to carcinogenic risk from metolachlor. Related to
PP0E3854, rotational crop tomatoes, and associated draft Federal Register notice.
Document (PDF) (762 KB PDF).

October 02, 1991. Memorandum. 4 Page(s).
Robert Jaeger. FIFRA Scientific Advisory Panel.
Transmittal of the Final FIFRA Scientific Advisory Panel Report
on the September 18, 1991, Meeting.
Document (PDF) (200 KB PDF).

November 12, 1991. Review. 4 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Reg./File # : 100-587. Review of the detections of metolachlor
in Wisconsin and South Dakota. 6(a)(2).
Document (PDF) (114 KB PDF).

April 16, 1992. Memorandum. 6 Page(s).
Bonnie Cropp-Kohlligian. Chemistry Branch.
Soybean Hull Chromatograms and Storage Stability Data Submissions in Response
to the Metolachlor Final Registration Standard and Tolerance Reassessment (FRSTR)
follow-up (6/14/89). MRID Nos. 41506501 and 41425502.
Document (PDF) (389 KB PDF).

May 20, 1992. Memorandum. 13 Page(s).
Stephen Dapson. Toxicology Branch.
Rat teratology study with metolachlor. EPA Pesticide Chemical Code 108801,
Toxicology Chemical Code 188DD, HED Project No. 2-1738. Page 13-27 removed,
registrant data. MRID 00151941.
Document (PDF) (335 KB PDF).

August 06, 1992. Memorandum. 7 Page(s).
Stephen Funk. Chemistry & Exposure Branch.
Reregistration of Metolachlor. Storage Stability of Metolachlor Metabolites
in Animal Commodities. MRID No. 41506401.
Document (PDF) (335 KB PDF).

December 09, 1992. Review. 6 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Acknowledge receipt 6(a)2 data - Request full report. DP Barcode: 175788.
MRID 42227901.
Document (PDF) (159 KB PDF).

January 11, 1993. Review. 15 Page(s).
Henry Jacoby. Environmental Fate & Ground Water Branch.
Review of Large-Scale Retrospective Ground-Water Study.
Document (PDF) (1513 KB PDF).

March 01, 1993. Memorandum. 86 Page(s).
Henry Jacoby. Environmental Fate & Ground Water Branch.
Metolachlor RED Candidate. Pages 17-23, 27-37, 41-52, 56-68 and 72-86 removed,
registrant data. MRIDs 40430201, 40430202, 40494604, 40494605 & 40494606.
Document (PDF) (2063 KB PDF).

March 12, 1993. DER. 17 Page(s).
Louis Rifici. KBN Engineering for EEB.
Study Type: 72-4. Freshwater Invertebrate Flow-Through Chronic Toxicity Test.
Species Tested: Daphnia magna. Pages 10-14 removed, registrant data.
MRID 40028829.
Document (PDF) (328 KB PDF).

March 17, 1993. Memorandum. 65 Page(s).
Stephen Dapson. Toxicology Branch.
Metolachlor: Rereview of chronic dog study,
2-generation reproduction study, and rabbit developmental...study.
MRID Nos. 40980701, 41164501, 42218601, 42218602, 00080897, and 00041283.
Tox review 010088. Pages 21-25, 36-45, 50-54 removed, registrant data.
Document (PDF) (2408 KB PDF).

March 26, 1993. DER. 27 Pages.
Louis Ricifi. KBN Engineering & Applied Sciences Inc.
STUDY TYPE: 72-5. Fish Life-Cycle Toxicity Test. Species Tested: Fathead Minnow
(Pimephales promelas). MRID No. 470257-023.
Document (PDF) (812 KB PDF).

April 15, 1993. Review. 23 Page(s).
EPA Office of Pesticide Programs.
Metolachlor. Attachment 1. Chemical Code 108801. (CBRS No. 10305, 10787,;
DP Barcode D181006, D183896). Registrant's Response to Residue Chemistry
Requirements. Task 3.
Document (PDF) (1083 KB PDF).
Attachment(s) Following:

April 15, 1993. Memorandum. Page(s).
Francis Suhre. Chemistry Branch.
Metolachlor (108801) Ciba Geigy Responses to Residue Chemistry Reregistration
Requirements Storage Stability Data and Storage Information.
MRID Nos. 42384401, 42502901.

*End of Attachments*

May 12, 1993. Memorandum. 25 Page(s).
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Ciba Geigy responses to residue Chemistry Reregistration
Requirements. Plant Metabolism Study in Potatoes (and Corn). Use of Enforcement
method for metabolism study samples. MRID 42644301, 42652101 to -11.
Pages 18-25 removed, RD.
Document (PDF) (1021 KB PDF).

May 12, 1993. Memorandum. 40 Page(s).
Stephen Dapson. Toxicology Branch II.
METOLACHLOR: Rat chronic toxicity/carcinogenicity study and
subchronic dog study - rereview of data. Tox Review No. 010251.
Pages 16-24 & 34-40 removed, registrant data.
Document (PDF) (1173 KB PDF).

June 19, 1993. DER. 18 Pages.
Conchi Rodriguez. Ecological Effects Branch.
STUDY TYPE: 72-4. Freshwater Invertebrate Flow-Through Chronic Toxicity Test.
Species Tested: Daphnia magna. MRID No. 400288-29.
Document (PDF) (563 KB PDF).

June 29, 1993. Review. 6 Pages.
Henry Nelson. Envirnomental Fate & Ground Water Branch.
Common Names: Metolachlor. Type of Product: Herbicide. Purpose: Review of FIFRA 6(a) (2)
surface water monitoring data. EFGWB #(s): 93-0781. MRID Nos. 425772-01, 427513-01.
DP Barcode: D190875. Case: 284660. Submission: S440056.
Document (PDF) (46 KB PDF).
Attachment(s) Following:

April 20, 1993. Letter.
Ciba-Geigy Corporation.
SURFACE WATER DETECTIONS IN RIVER RAISIN, LENAWEE COUNTY, MICHIGAN.

*End of Attachments*

July 21, 1993. Memorandum. 20 Page(s).
Stephen Dapson. Toxicology Branch.
Carcinogenicity Peer Review of Metolachlor (3rd).
Document (PDF) (1102 KB PDF).

August 02, 1993. Review. 3 Page(s).
David Wells. Environmental Fate & Ground Water Branch.
Response to detections of atrazine and metolachlor at a site near Elkhorn, Wisconsin.
MRID 42782301.
Document (PDF) (97 KB PDF).

August 02, 1993. Review. 4 Page(s).
David Wells. Environmental Fate & Ground Water Branch.
Ciba-Geigy Corporation. Review rebuttal to EFGWB review of large-scale
retrospective ground-water study. 166-2. MRID 427491-01.
Document (PDF) (194 KB PDF).

August 25, 1993. Memorandum. 8 Page(s).
George Ghali. Health Effects Division.
RfD/Peer Review Report of Metolachlor.
Document (PDF) (518 KB PDF).

December 06, 1993. Review. 3 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Ciba-Geigy Corporation. Response to prepatory submission for December 9
CIBA/EFGWB meeting. MRID 427491-01.
Document (PDF) (115 KB PDF).

March 11, 1994. DER. 10 Page(s).
Conchi Rodriguez. Ecological Effects Branch.
72-4. Life-Cycle (21-day Renewal) Chronic Toxicity Test. Species Tested:
Daphnia magna. Pages 7-10 removed, registant data. MRID 43044603.
Document (PDF) (201 KB PDF).

March 11, 1994. DER. 20 Pages.
Conchi Rodriguez. Ecological Effects Branch.
STUDY TYPE: 72-3(A) Acute Estuarine/Marine Toxicity Fish and 72-4(a) Early
Life Stage Fish. Species Tested: Sheepshead Minnow Cyprinodon variegatus.
MRID No. 430446-02.
Document (PDF) (524 KB PDF).

March 14, 1994. Review. 3 Page(s).
Marcia Van Gemert. Toxicology Branch.
Toxicology Endpoint Selection Document for Metolachlor.
Document (PDF) (137 KB PDF).

March 21, 1994. Memorandum. 25 Page(s).
Anthony Maciorowski. Ecological Effects Branch.
1. RED for Metolachlor 2. Response to CIBA-GEIGY in relation to avian reproduction
studies and other aquatic studies 3. DER's for aquatic studies 4. Data Requirement Table.
Document (PDF) (1350 KB PDF).

May 04, 1994. Memorandum. 12 Page(s).
Estella Waldman. Environmental Fate & Ground Water Branch.
Ground Water Assessment of Metolachlor for Registration Eligibility Document.
Document (PDF) (288 KB PDF).

May 19, 1994. Memorandum. 2 Page(s).
Kevin Costello. Environmental Fate & Groundwater Branch.
Review of Metolachlor Preliminary Characterization Data (groundwater study sites).
Document (PDF) (39 KB PDF).

August 10, 1994. Note. 2 Page(s).
Environmental Fate and Ground Water Branch.
Metolachlor Risk Mitigation for EFED EFGWB Recommendations...
Ciba-Geigy's response to EFGWB's Recommendations.
Document (PDF) (83 KB PDF).

August 15, 1994. Memorandum. 2 Page(s).
Henry Jacoby. Environmental Fate & Ground Water Branch.
Recomendations for Metolachlor. This note is being written to explain
the position of EFGWB regarding metolachlor and ground water.
Document (PDF) (57 KB PDF).

September 01, 1994. Memorandum. 13 Page(s).
David Miller. Chemistry Branch.
PP# 3F04251. Metolachlor in or on grasses grown for seed.
Evaluation of residue data and analytical methods. MRIDs 428857-01 to -07.
Document (PDF) (838 KB PDF).

September 16, 1994. Memorandum. 10 Page(s).
David Miller. Chemistry Branch.
Metolachlor Addendum to RED. Magnitude of Residue in Legumes
(Succulent and Dried)... MRID No.: 432957-01.
Document (PDF) (489 KB PDF).

September 29, 1994. Memorandum. 15 Page(s).
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Addendum to RED Partial Replacement of Craven
Data on peanuts MRID No. 43263101.
Document (PDF) (897 KB PDF).

October 04, 1994. Memorandum. 74 Page(s).
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Addendum to RED. Replacement of Craven Data on rotational
alfalfa and clover. MRID Nos. 43367101. Attached: Metolachlor Task 2B; Acurex
Environmental Corp.
Document (PDF) (4142 KB PDF).

October 06, 1994. Review. 11 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Comment on ground-water risk mitigation measures proposed for metolachlor by Ciba.
Document (PDF) (730 KB PDF).

October 12, 1994. Memorandum. 27 Page(s).
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Addendum to RED, Reregistration Case No. 0001 Confined
Rotational Crop Data (GLN 165-1) [MRID No. 41470601; CB No. 14435; DP Barcode D207842].
Pages 8-27 removed, registrant data.
Document (PDF) (257 KB PDF).

February 7, 1995. Review. 19 Page(s).
Siroos Mostaghimi. Environmental Fate & Ground Water Branch.
EFGWB has previously reviewed the historical surface monitoring data for metolachlor submitted
by the Ciba-Giegy Corporation (submission S455912, Case 819424, review completion date: 12/23/94)...
DP Barcode: D205020. Case: 819424. Submission: S468232.
Document (PDF) (148 KB PDF).

February 14, 1995. Review. 3 Page(s).
Betsy Behl. Environmental Fate & Ground Water Branch.
Statistical Summary of Metolachlor Detections in Ground Water - 1994 Update.
Document (PDF) (90 KB PDF).

February 15, 1995. DER. 10 Pages.
William Erickson. Ecological Effects Branch.
ACUTE LC50 TEST WITH AN ESTUARINE/MARINE MOLLUSK § 72-3 (B).
Metolachlor technical - acute toxicity to Eastern Oyster
(Crassostrea virginica) under flow-through conditions.
MRID No. 434871-02.
Document (PDF) (303 KB PDF).

February 15, 1995. DER. 6 Pages.
William Erickson. Ecological Effects Branch.
DATA EVALUATION RECORD BLUE-GREEN ALGAE EC50 TEST
GUIDELINE 123 -2 (TIER II). Metolachlor technical - 5-day toxicity
to the freshwater green alga, Anabaena flos-aquae. MRID No. 434871-04.
Document (PDF) (203 KB PDF).

February 15, 1995. DER. 7 Pages.
William Erickson. Ecological Effects Branch.
ACUTE LC50 TEST WITH AN ESTUARINE/MARINE SHRIMP § 72-3 (C).
Metolachlor technical - acute toxicity
to mysid shrimp (Mysidopsis bahia) under flow-through conditions.
MRID No. 434871-03.
Document (PDF) (264 KB PDF).

February 15, 1995. DER. 8 Pages.
William Erickson. Ecological Effects Branch.
ACUTE LC50 TEST WITH AN ESTUARINE/MARINE FISH § 72-3 (A).
Metolachlor technical - acute toxicity to sheepshead minnow (Cyprinodon variegatus)
under flow-through conditions. MRID No. 434871-01.
Document (PDF) (289 KB PDF).

February 15, 1995. DER. 8 Pages.
William Erickson. Ecological Effects Branch.
LEMNA GIBBA EC50 TEST GUIDELINE 123 -2 (TIER II). Metolachlor technical -
toxicity to duckweed (Lemna gibba). MRID No. 434871-05.
Document (PDF) (231 KB PDF).

February 15, 1995. DER. 8 Pages.
William Erickson. Ecological Effects Branch.
MARINE DIATOM EC50 TEST GUIDELINE 123-2 (TIER II). Metolachlor technical -
toxicity to the marine diatom, Skeletonelma costatum. MRID No. 434871-06.
Document (PDF) (247 KB PDF).

February 16, 1995. Review. 5 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Ciba-Geigy Corporation. Review protocol for prospective ground-water study. 166-1.
Document (PDF) (369 KB PDF).

March 01, 1995. DER. 12 Pages.
William Erickson. Ecological Effects Branch.
ALGAE EC50 TEST GUIDELINE 123-2 (TIER II). Metolachlor technical - 5-day toxicity
to the freshwater diatom, Navicula pelliculosa, using acetone as a carrier solvent.
MRID No. 435413-02.
Document (PDF) (324 KB PDF).

March 02, 1995. Review. 14 Page(s).
Anthony Maciorowski. Ecological Effects Branch.
Metolachlor. Aquatic Plant Growth Data (123-2). MRID 43541301, -02.
Document (PDF) (342 KB PDF).

March 06, 1995. Review. 88 Page(s).
William Erickson. Ecological Effects Branch.
Review guideline studies 72-3a,b,c; 123-1a,b; 123-2. [Metolachlor: review of
toxicity studies.] MRIDs 43487101 to -08. 43497301 not reviewed/ not required.
Document (PDF) (17493 KB PDF).

May 15, 1995. Memorandum. 4 Page(s).
Kevin Costello. Environmental Fate & Groundwater Branch.
Action Items Regarding Metolachlor Field-Scale Ground- Water Monitoring Study.
Document (PDF) (122 KB PDF).

October 31, 1995. Review. 3 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Ciba-Geigy Corporation. Review of quarterly report for metolachlor small-scale
prospective monitoring study. 166-1.
Document (PDF) (183 KB PDF).

February 28, 1996. Review. 3 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Review of quarterly report for metolachlor small-scale prospective monitoring study.
Document (PDF) (92 KB PDF).

March 12, 1996. Review. 4 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Common Name: Metolachlor. Company Name: CIBA-GEIGY Corporation. Purpose: Review of CIBA's
comments on the Draft RED for Metolachlor. DP BARCODE: D222989. CASE: 819424. SUBMISSION: S492331.
Document (PDF) (40 KB PDF).

March 13, 1996. Memorandum. 2 Page(s).
Kevin Costello. Environmental Fate & Groundwater Branch.
Action Items Regarding Metolachlor Field-Scale Ground- Water Monitoring Studies.
Document (PDF) (97 KB PDF).

April 24, 1996. Memorandum. 2 Page(s).
Kevin Costello. Environmental Fate & Groundwater Branch.
Review of Detailed Site Characterization for Minnesota Prospective Ground-Water
Monitoring Study for Metolachlor. DP Barcode: 225164.
Document (PDF) (52 KB PDF).

May 20, 1996. Memorandum. 3 Page(s).
Anthony Maciorowski. Ecological Effects Branch.
Review of Daphnia magna Life-Cycle Test (Sha.# 108801; DP Barcode D219942; ID#108801)
MRID 43802601.
Document (PDF) (179 KB PDF).

June 29, 1996. DER. 17 Pages.
Harry A. Winnik. Ecological Effects Branch.
AQUATIC INVERTEBRATE LIFE CYCLE TEST GUIDELINE 72-4 (B).
Metolachlor Technical - The Chronic Toxicity to Daphnia magna Under Flow-Through Conditions.
MRID No. 438026-01. DP Barcode: D219942.
Document (PDF) (555 KB PDF).

February 25, 1997. Memorandum. 27 Page(s).
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Reregistration Case No. 0001 Craven Replacement Data for Peanuts
treated at layby, Safflower, including processed fractions; Storage stability data
on tomato, potato, and soy processed fractions. MRID No. 43881701, -02, 03, 43944601.
Document (PDF) (1606 KB PDF).
Attachment(s) Following:

February 24, 1997.
Dynamac Corporation.
Metolachlor Registrant's Response to Residue Chemistry Data Requirements.

*End of Attachments*

March 18, 1997. Letter. 1 Page(s).
Barbara Briscoe. Reregistration Branch.
Review of Product Chemistry Data for Metolachlor Reregistration Eligibility
Decision (RED), EPA Reg No. 100-587 Metolachlor Technical.
Document (PDF) (39 KB PDF).

April 03, 1997. Review. 3 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Ciba-Geigy Corporation. Review of quarterly report for metolachlor small-scale
prospective monitoring study. 166-1.
Document (PDF) (164 KB PDF).

April 03, 1997. Review. 3 Page(s).
Elizabeth Behl. Environmental Fate & Ground Water Branch.
Ciba-Geigy Corporation. Review of quarterly report for metolachlor small-scale
prospective monitoring study. 166-1.
Document (PDF) (167 KB PDF).

July 30, 1997. DER. 36 Page(s).
William Erickson. Environmental Risk Branch.
71-4 -- Avian Reproduction Test. Northern Bobwhite. MRID 44015601.
Document (PDF) (1296 KB PDF).

March 20, 1998. Memorandum. 5 Page(s).
Norman Birchfield. Environmental Risk Branch I.
Metolachlor Drinking Water Concentrations: First Tier Acute and Chronic Exposure
Assessments for Surface and Groundwater as a Result of Uses on Carrots, Peppers,
and Grass. DP Barcodes: D239868, D239860. (MRID Nos. 41309802, 41335701).
Document (PDF) (64 KB PDF).

June 11, 1999. DER. 12 Page(s).
Ghazi Dannan. Registration Action Branch III.
Review of "Absorption Distribution, and Excretion of [Phenyl-U-14C] CGA-77102
in the Rat." Metabolism - rat [OPPTS 870.7485 (Sec. 85-1)]. MRID No. 44491401.
Document (PDF) (807 KB PDF).

August 30, 1999. Memorandum. 12 Page(s).
Brian Montague. Environmental Risk Branch.
Review of Honeybee Toxicity Studies with Metolachlor and s-Metolachlor isomer.
MRID 44718401, -02.
Document (PDF) (560 KB PDF).

March 01, 2000. DER. 14 Pages.
Brian Montague. Environmental Fate & Effects Division.
72-1 - ACUTE LC50 TEST WITH A WARMWATER FISH. Report on the Acute
Toxicity Test of CGA-5 1202 to Common Carp (Cyprinus carpio).
MRID No.: 449295-02. DP Barcode: D260006. Pages 9-14 removed, registrant data.
Document (PDF) (245 KB PDF).

March 01, 2000. DER. 15 Pages.
Brian Montague. Environmental Fate & Effects Division.
72-1 - ACUTE LC50 TEST WITH A COLDWATER FISH. Report on the Acute
Toxicity Test of CGA-51202 to Rainbow Trout (Onchorhyncus mykiss).
MRID No.: 449295-01. DP Barcode: D260006. Pages 9-15 removed, registrant data.
Document (PDF) (243 KB PDF).

March 01, 2000. DER. 15 Pages.
Brian Montague. Environmental Fate & Effects Division.
72-2 - ACUTE EC50 TEST WITH A FRESHWATER INVERTEBRATE. Report on the
Acute Toxicity Test of CGA-51202 On Daphnia (Daphnia magna STRAUS 1820).
MRID No.: 449295-03. DP Barcode: D260007.
Pages 9-14 removed, registrant data.
Document (PDF) (268 KB PDF).

April 01, 2000. DER. 6 Pages.
Brian Montague. Environmental Fate & Effects Division.
AQUATIC PLANT EC50 TEST GUIDELINE 123-2 (TIER II).
Acute Toxicity of CGA-51202 to the Duckweed, Lemna gibba G3.
MRID No.: 449295-14. DP Barcode: D260010.
Document (PDF) (155 KB PDF).

April 01, 2000. DER. 8 Pages.
Brian Montague. Environmental Fate & Effects Division.
ALGAE OR DIATOM EC50 TEST GUIDELINE 123-2 (TIER II). Report on the Growth
Inhibition Test of CGA-51202 to Green Algae (Scenedesmus subspicatus).
DP Barcode: D260010. MRID No.: 449295-15.
Document (PDF) (191 KB PDF).

April 14, 2000. DER. 1 Page(s).
Mark Mossler. Golder Associates Inc. for EEB.
Earthworm Toxicity Test. MRID 44931721.
Document (PDF) (31 KB PDF).

April 14, 2000. DER. 4 Page(s).
Mark Mossler. Golder Associates Inc. for EEB.
EC50 Test with Lemna gibba. Guideline 123-2 (Tier II). MRID 44931720.
Document (PDF) (108 KB PDF).

April 14, 2000. DER. 7 Page(s).
Mark Mossler. Golder Associates Inc. for EEB.
72-2 - Acute EC50 Test with a Freshwater Invertebrate. [Daphnia magna.]
MRID 44931703.
Document (PDF) (333 KB PDF).

April 25, 2000. Memorandum. 47 Page(s).
Brian Montague. Environmental Risk Branch.
Review of Metolachlor (CGA 51202). Review of 7 studies; two acute
studies with fish; Daphnia magna; alga; terrestrial plants (core).
MRIDs 44929501, -02, -03, -13, -14, -15.
Document (PDF) (2337 KB PDF).

May 15, 2000. DER. 10 Pages.
Brian Montague. ERB I.
DATA EVALUATION RECORD EC50 TEST WITH LEMNA GIBBA
GUIDELINE 123-2 (TIER II). Toxicity of CGA-354743 to the Duckweed,
Lemna gibba G3. MRID No. 449317-20. DP Barcode: D260420.
Document (PDF) (366 KB PDF).

May 15, 2000. DER. 7 Pages.
Brian Montague. ERB I.
DATA EVALUATION RECORD § 72-2 - ACUTE EC50 TEST WITH A
FRESHWATER INVERTEBRATE. Acute Toxicity Test of CGA 354743
(Metabolite of CGA 24705) to the Cladoceran Daphnia magna STRAUS Under Static Condition.
MRID No.: 449317-03. DP Barcode: D260392.
Document (PDF) (324 KB PDF).

May 15, 2000. DER. 9 Pages.
Brian Montague. ERB I.
DATA EVALUATION RECORD § 72-1 - ACUTE LC50 TEST WITH A
COLDWATER FISH. Acute Toxicity Test of CGA 354743 (Metabolite of CGA 24705)
to Rainbow Trout (Oncorhynchus mykiss) in the Static System.
MRID No. 449317-02. DP Barcode: D260387.
Document (PDF) (330 KB PDF).

July 03, 2000. Memorandum. 47 Page(s).
Brian Montague. Environmental Risk Branch.
Review of Metolachlor (CGA 51202) - Shaughnessy Code 108801 Studies
Submitted under Barcodes D260006, D260007, D260009, D260010...
MRID 44929501, -02, 03, 13, 14, 15.
Document (PDF) (2125 KB PDF).

January 08, 2001. DER. 15 Page(s).
William Greear. Registration Action Branch.
Subchronic Oral Toxicity STudy - Rat. [OPPTS 870.3100 (Sec. 82-1a)].
MRID No. 44775402.
Document (PDF) (847 KB PDF).

January 29, 2001. Review. 12 Page(s).
Shyam Mathur. Technical Review Branch/RD.
Product Chemistry Review of Sipcam Metolachlor Technical MUP DP Barcode: D270203
EPA Reg. No.: 60063-RT Pages 6, 9-12 removed, description of manufacturing process.
MRIDs 45239101, 45239102, 45246901.
Document (PDF) (566 KB PDF).

April 25, 2001. DER. 12 Page(s).
Virginia Dobozy. Reregistration Branch.
CGA-51202; (Metolachlor OA)(Degradate of Metolachlor); Subchronic Oral Toxicity
Feeding - Rat [OPPTS 870.3100 82-3)]. MRID No. 44929509.
Document (PDF) (529 KB PDF).

April 25, 2001. DER. 12 Page(s).
Virginia Dobozy. Reregistration Branch.
Developmental Toxicity - Rat; OPPTS 870.3700 (Sec. 83-3a).
Metolachlor OA (CGA-51202 Technical). MRID No. 44929510.
Document (PDF) (571 KB PDF).

April 25, 2001. DER. 13 Page(s).
Virginia Dobozy. Reregistration Branch.
Developmental Toxicity - Rat; [870.3700 (Sec. 83-3a)].
Metolachlor ESA (CGA-354743 Technical). MRID No. 44931711.
Document (PDF) (547 KB PDF).

April 25, 2001. DER. 14 Page(s).
Virginia Dobozy. Reregistration Branch.
CGA-354743 Subchronic Oral Toxicity Feeding - Rat
[OPPTS 870.3100 (Sec. 82-1a)]. MRID No. 44931710.
Document (PDF) (768 KB PDF).

April 25, 2001. DER. 18 Page(s).
Virginia Dobozy. Reregistration Branch.
CGA-354743 (Metolachlor ESA)(Metabolite of Metolachlor); Subchronic Oral Toxicity
Feeding - Dog [OPPTS 870.3150 (Sec. 82-1b)]. MRID No. 44931709.
Document (PDF) (1070 KB PDF).

July 23, 2001. DER. 17 Page(s).
Virginia Dobozy. Reregistration Branch.
Study Type: Subchronic Oral Toxicity - Rat [OPPTS 870-3100 (82-1a)];
MRID 44775401.
Document (PDF) (901 KB PDF).

July 25, 2001. DER. 25 Page(s).
Ghazi Dannan. Registration Action Branch.
Metabolism 0 rat; [OPPYS 870.7485 (Sec. 85-1)]. MRID No. 44491402.
Registration data removed from pages 16-25.
Document (PDF) (1070 KB PDF).

July 26, 2001. DER. 14 Page(s).
Virginia Dobozy. Reregistration Branch 1 HED.
Prenatal Developmental Toxicity (Rabbit). Supplement to Document #001051
- DER for MRID No. 00041283... to upgrade the original DER.
Page 14-23 removed, registrant data.
Document (PDF) (329 KB PDF).

July 26, 2001. DER. 15 Page(s).
Virginia Dobozy. Reregistration Branch 1 HED.
Prenatal Developmental Toxicity (Rat). Supplement to Document #009509
- DER for MRID No. 00151941. .. to upgrade the original DER.
Page 15-29 removed, registrant data.
Document (PDF) (416 KB PDF).

October 03, 2001. Review. 2 Page(s).
Sami Malak. Technical Review Branch RD.
Product Chemistry Review of a Technical Grade TGAI [X] DP Barcode No.: 276030
REG./File Symbol 60063-RT Inert ingredient info on page one not included.
MRID 45433707.
Document (PDF) (211 KB PDF).

December 04, 2001. Memorandum. 66 Page(s).
Virginia Dobozy. Reregistration Branch 1 HED.
Toxicology Chapter for Metolachlor/S-Metolachlor. PC Code: 108801/108800
DP Barcode: D274326.
Document (PDF) (2561 KB PDF).

January 29, 2002. Memorandum. 121 Page(s).
Mark Corbin. Environmental Risk Branch I.
Metolachlor TRED: Estimated Drinking Water Concentrations for Metolachlor
& its Degradation Products for Use in the Human Health Drinking...
DP Barcodes D248805, D228814, D258820, D258817, D258824, D258822,
D258812, D259119, D259037 & D2590349.
Document (PDF) (7420 KB PDF).

February 25, 2002. DER. 12 Pages.
Bill Evans. EPA/OECD/PMRA.
Data Evaluation Report on the acute toxicity of Metolachlor to algae
Selenastrum caplricornutum. EPA MRID #: 44931719. DP Barcode D260418.
Document (PDF) (366 KB PDF).

February 28, 2002. DER. 5 Page(s).
Mark Corbin. Environmental Risk Branch I.
Exposure analysis of metolachlor in 27 community water systems in 27 states,
1993-2000... Non-guideline. Pages 5-13 removed, registrant data. MRID 45527501.
Document (PDF) (196 KB PDF).

February 28, 2002. DER. 5 Page(s).
Mark Corbin. Environmental Risk Branch I.
Occurrence of metolachlor (1994-1995) compared to s-metolachlor (1999-2000)
in drinking water from community water systems in 27 major use states...
Pages 5-34 removed, registrant data. MRID 45527502.
Document (PDF) (182 KB PDF).

February 28, 2002. Memorandum. 102 Page(s).
Sherrie Kinard. Reregistration Branch II.
Metolachlor/ S-Metolachlor Residue Chemistry Chapter for the Tolerance
Reassessment Eligibility Decision (TRED); PC Codes 108801 and 108800;
DP Barcode D274328; Case 0001.
Document (PDF) (3763 KB PDF).

February 28, 2002. Memorandum. 126 Page(s).
Mark Corbin. Environmental Risk Branch.
Review of Documents Related to the Equivalency of Racemic Metolachlor
(Metolachlor) and S-Metolachlor for Environmental Fate and Ecotoxicity.
Document (PDF) (5571 KB PDF).

May 22, 2002. Memorandum. 145 Page(s).
Mark Corbin. Environmental Fate & Ground Water Branch.
Revised Metolachlor/ s-Metolachlor TRED: Estimated Drinking Water Concentrations
for Metolachlor/ s-Metolachlor and its Degradation Products for Use in Human Health
Dietary Risk Assessment.
Document (PDF) (7795 KB PDF).

May 23, 2002. Memorandum. 16 Page(s).
Christine Jarvis. Reregistration Branch.
Metolachlor (PC Code 108801) & S-Metolachlor (PC Code 108800); HED's
Response to Comments Submitted During 30-Day Registrant Comment period.
DP Barcode D282607.
Document (PDF) (559 KB PDF).

February 12, 2003. Memorandum. 60 Pages.
Sherrie Kinard. Reregistration Branch II.
Metolachlor. Revised HED Science Assessment for the Tolerance Reassessment
Eligibility Decision, Including the Pending Petitions on Asparagus, Carrot,
Horseradish,…and Grasses Grown for Seed. DP Barcode: D288263.
MRID 44183001 [Addendum to MRID 43928903].
Document (PDF) (3715 KB PDF).

August 04, 2005. DER. 20 Pages.
Paige Doelling Brown. OPP/EFED/ERB-I.
Data Evaluation Report on the Chronic Toxicity of Metolachlor Technical to
Freshwater Invertebrates -Daphnia sp. MRID No. 46322101. DP Barcode D305788.
EPA Guideline §72-4b.
Document (PDF) (789 KB PDF).

August 24, 2005. DER. 20 Pages.
Paige Doelling Brown. OPP/EFED/ERB-I.
Data Evaluation Report on the Chronic Toxicity of Metolachlor Technical to
Freshwater Invertebrates Daphnia sp. MRID No. 46322101. DP Barcode D305788.
Document (PDF) (789 KB PDF).

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