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Index of Cleared Science Reviews

Index for Hydrogen cyanide (Pc Code 045801)

Undated. Memorandum. 4 Page(s).
J.G. Cummings. Petitions Evaluation Branch, FDA.
Recommended International Tolerances for Pesticide Residues.

November 29, 1955. Memorandum. 1 Page(s).
W.G. Reed. Plant Pest Control Branch, USDA.
Petition for a Tolerance of 25 ppm for Hydrocyanic Acid
Submitted by American Cyanamid Company and Accepted for
Filing September 30, 1955.

November 29, 1955. Memorandum. 1 Page(s).
W.G. Reed. Plant Pest Control Branch, USDA.
Certification of Usefulness Regarding the Insecticide
Hydrogen Cyanide Accepted for Filing Under Date of
September 30, 1955.

February 13, 1956. Review. 4 Page(s).
Frank Vorhes. Div. of Pharmacology & Pesticide Branch.
Evaluation of Data on Residues from Fumigation with Liquid
HCN, Submitted in Pesticide Petition No. 38, American
Cyanamid Company.

December 3, 1956. Memorandum. 1 Page(s).
W.G. Reed. Plant Pest Control Branch, USDA.
Petition for Extension of the Tolerance of 25 ppm of
Hydrogen Cyanide to Buckwheat, Oats and Sorghum Grains
and for a Tolerance of 100 ppm on Spices Submitted by
American Cyanamid..

December 3, 1956. Memorandum. 1 Page(s).
W.G. Reed. Plant Pest Control Branch, USDA.
Certification of Usefulness of Liquid HCN on Several Raw
Agricultural Commodities - Pesticide Petition No. 94.

February 11, 1957. Review. 4 Page(s).
Frank Vorhes. Div. of Pharmacology & Pesticide Branch.
Evaluation of HCN Residue Data Submitted in Petition No. 94.

March 20, 1957. Memorandum. 1 Page(s).
F.J. McFarland. Bureau of Biological & Physical Sciences.
Tolerances for Hydrogen Cyanide. Pesticide Petition No. 94.

November 24, 1958. Memorandum. 1 Page(s).
Justus Ward. Plant Pest Control Division, USDA.
Certification of Usefulness of Hydrogen Cyanide.

November 24, 1958. Memorandum. 1 Page(s).
Justus Ward. Plant Pest Control Division, USDA.
Petition (No. 195) for a Tolerance for Hydrogen Cyanide on
Grains Submitted by American Cyanamid Co. and Accepted for
Filing November 6, 1958.

February 4, 1959. Letter. 1 Page(s).
F.J. McFarland. Bureau of Biological & Physical Sciences.
Pesticide Petition 195.

February 11, 1959. Memorandum. 2 Page(s).
F.J. McFarland. Bureau of Biological & Physical Sciences.
Pesticide Petition 195 - Tolerance for HCN on Grain.

February 16, 1959. Review. 2 Page(s).
O.G. Fitzhugh. Division of Pharmacology.
Evaluation of the Pharmacological Data Presented in Support
of a Request to Raise the Present Tolerance of 25 ppm HCN on
Certain Grains to 75 ppm.

January 13, 1960. Memorandum. 1 Page(s).
Justus Ward. Plant Pest Control Division, USDA.
Supplements to Pesticide Petition No. 195 (Hydrogen Cyanide)
Filed December 22, 1959.

March 9, 1960. Review. 2 Page(s).
Jane McCaulley. Division of Pharmacology.
Evaluation of the Pharmacological Data Presented in Support
of a Request to Raise the Present Tolerance of 25 ppm HCN on
Certain Grains to 75 ppm.

March 23, 1960. Memorandum. 2 Page(s).
O.G. Fitzhugh. Division of Pharmacology.
Replacement of Page No. 2 Submitted with "Evaluation of the
Pharmacological Data" Report for PP #195, Under Date of
March 9, 1960.

April 5, 1960. Review. 7 Page(s).
J. Alpert. Pesticides Branch & Div. of Pharmacology.
Evaluation of Residue Data and Method of Analysis for HCN
Residues in Grain (P.P. #195).

July 23, 1970. Memorandum. 2 Page(s).
O.G. Fitzhugh. Office of Pesticides, FDA.
Recommended International Tolerances for Pesticide Residue
(Mr. Cummings Memo of 7/9).

September 28, 1970. Memorandum. 1 Page(s).
J.G. Cummings. Petitions Evaluation Branch, FDA.
PP #1E1039. (HCN) Codex Alimentarius International
Tolerances.

November 16, 1970. Memorandum. 1 Page(s).
Charles Smith. Petitions Control Section, USDA.
Pesticide Petition No. 1E1039 - Hydrogen Cyanide.

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