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Index of Cleared Science Reviews
Index for Aspon (PC Code 079101)
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.
October 11, 1979. Memorandum. 3 Page(s).
B.T. Backus. Insecticide-Rodenticide Branch.
EPA File Symbol: 239-EUTL Ortho Chinch Bug Killer Caswell
#845A.
September 16, 1980. Memorandum. 3 Page(s).
H. Craven. Ecological Effects Branch.
EEB Comments on Drafts of Registration Standards for
Metolachlor and Aspon.
April 27, 1982. Memorandum. 4 Page(s).
B.T. Backus. Insecticide-Rodenticide Branch.
EPA Reg. No. 476-1713 Aspon 6-E, Caswell #845A.
April 27, 1982. Memorandum. 4 Page(s).
B.T. Backus. Insecticide-Rodenticide Branch.
EPA Reg. No. 476-1991 Stauffer Aspon 2-E, Caswell #845A.
April 27, 1982. Memorandum. 6 Page(s).
B.T. Backus. Insecticide-Rodenticide Branch.
EPA Reg. No. 476-2109 Aspon Technical, Caswell #845A.
May 21, 1982. Memorandum. 2 Page(s).
B.T. Backus. Insecticide-Rodenticide Branch.
EPA Reg. No. 476-1713 Aspon 6-E, Caswell #845A.
June 22, 1982. Review. 3 Page(s).
Carolyn Offutt. Environmental Fate Branch.
Review of Protocol for Development of Data to Support Label
Reentry Statements to be Proposed by the Registrant.
August 10, 1982. Memorandum. 1 Page(s).
B.T. Backus. Insecticide-Rodenticide Branch.
EPA Reg. No. 239-2475 Ortho Chinch Bug Killer, Caswell
#845A.
October 5, 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.
May 24, 1984. Memorandum. 1 Page(s).
Byron Backus. Toxicology Branch.
Ortho Chinch Bug Killer.
September 7, 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.
October 12, 1984. Review. 3 Page(s).
Carolyn Offutt. Exposure Assessment Branch.
Response to a Registration Standard: Review of Analytical
Methodology to be Used for Quantification of Dislodgeable
Residues of Aspon on Turf.
November 23, 1984. Review. 15 Page(s).
Carolyn Offutt. Exposure Assessment Branch.
Estimated Environmental Concentration Review.
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.