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Index of Cleared Science Reviews -
Aspon (PC Code 079101)

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July 10, 1978. Memorandum. 4 Page(s).
William Dykstra. Toxicology Branch.
EPA Reg. No. 239-2032. Ortho Chinch Bug and Sod Webworm Control.
Caswell #845A (Aspon). Inert ingredient information on page 3 is not
included.
Document (174 KB PDF).

October 11, 1979. Memorandum. 3 Page(s).
B. T. Backus. Insecticide Rodenticide Branch.
EPA File Symbol: 239-EUTL Ortho Chinch Bug Killer Caswell #845A.
Document (183 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 (125 KB PDF).

April 27, 1982. Memorandum. 4 Page(s).
B. T. Backus. Insecticide Rodenticide Branch.
EPA Reg. No. 476-1713 Aspon 6-E, Caswell #845A.
Document (190 KB PDF).

April 27, 1982. Memorandum. 4 Page(s).
B. T. Backus. Insecticide Rodenticide Branch.
EPA Reg. No. 476-1991 Stauffer Aspon 2-E, Caswell #845A.
Document (179 KB PDF).

April 27, 1982. Memorandum. 6 Page(s).
B. T. Backus. Insecticide Rodenticide Branch.
EPA Reg. No. 476-2109 Aspon Technical, Caswell #845A.
Document (331 KB PDF).

May 21, 1982. Memorandum. 2 Page(s).
B. T. Backus. Insecticide Rodenticide Branch.
EPA Reg. No. 476-1713 Aspon 6-E, Caswell #845A.
Document (76 KB PDF).

June 22, 1982. Review. 3 Page(s).
Carolyn K. Offutt. Environmental Fate Branch.
Review of Protocol for Development of Data to Support Label Reentry
Statements to be Proposed by the Registrant.
Document (154 KB PDF).

August 10, 1982. Memorandum. 1 Page(s).
B. T. Backus. Insecticide Rodenticide Branch.
EPA Reg. No. 239-2475 Ortho Chinch Bug Killer, Caswell #845A.
Document (55 KB PDF).

October 05, 1983. Memorandum. 2 Page(s).
B. T. Backus. Insecticide Rodenticide Branch.
EPA Reg. No. 239-2475 Ortho Chinch Bug Killer, Caswell #845A. In 8-10-
83; Record No. 102564.
Document (80 KB PDF).

May 24, 1984. Memorandum. 1 Page(s).
Byron Backus. Toxicology Branch.
Ortho Chinch Bug Killer.
Document (43 KB PDF).

September 07, 1984. Review. 15 Page(s).
Lionel Richardson. Exposure Assessment Branch.
Review of 476-2109 Registration Standard. Manufacturing process
information on page 9 is not included.
Document (649 KB PDF).

October 12, 1984. Review. 3 Page(s).
Carolyn Offut. Exposure Assessment Branch.
Response to a Registration Standard: Review of Analytical Methodology
to be Used for Quantification of Dislodgeable Residues of Aspon on Turf.
Document (124 KB PDF).

November 23, 1984. Review. 15 Page(s).
Carolyn Offut. Exposure Assessment Branch.
Estimated Environmental Concentration Review.
Document (709 KB PDF).

June 28, 1985. Memorandum. 11 Page(s).
George Robinson. Toxicology Branch.
Aspon (O,O,O,O-Tetrapropyl dithiopyrophosphate) Reregistration:
Toxicology Data. EPA Reg. No. 476-2109. Tox Review 004517.
Document (597 KB PDF).

*** End of Index for Aspon (PC Code 079101).

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