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Index of Cleared Science Reviews
Index for Difethialone (Pc Code 128967)
November 17, 1987. Memorandum. 16
Page(s).
Ray Landolt. Toxicology Branch.
LM-2219, Difethialone, TOX Chem No.: 114AAB
MRID Nos. 40268903, 40268904, 40268906, 40268907, 40268909,
40268908, 40268905, 40268910, 42068911,.
November 4, 1988. Memorandum. 13 Page(s).
Ray Landolt. Toxicology Branch.
Difethialone, LM-2219, HED Project No. 8-0821-TOX Chem No.
114AAB
MRID Nos. 40585001.
October 2, 1989. Memorandum. 36 Page(s).
Ray Landolt. Toxicology Branch II.
Difethialone, Project No. 9-0906, TOX Chem No. 114AAB.
ACC No. 40791402, 40791404, 40791405, MRID No. 40791402
40791405.
Deleted pages 22, 224-28, 37-43-registrant data.
February 5, 1990. Memorandum. 3 Page(s).
Ray Landolt. Toxicology Branch.
Difethialone (LM-2219).
HED Project No.: 0-0437. Tox Chem No. 114AAB.
July 9, 1990. Memorandum. 4 Page(s).
Ray Landolt. Toxicology Branch II.
Difethialone, Project No. 0-1068, TOX Chem No. 114AAB.
MRID No. 41442201.
Tox Review No. 008021.
January 23, 1991. Memorandum. 3 Page(s).
Ray Landolt. Toxicology Branch II.
Difethialone, Project No. 0-1068, TOX Chem No. 114AAB.
MRID No. 41578501
Tox Review No. 008233.
March 17, 1992. Memorandum. 7 Page(s).
Timothy F. McMahon. Toxicology Branch II.
Difethialone: New Chemical Screen of Toicology Data
Submitted by the Registrant.
MRID Nos. 41578501, 41673301 - 41673305, 42065006 - 42065013
42114301, 42203801 - 42203804.
June 2, 1992. Memorandum. 4 Page(s).
Timothy F. McMahon. Toxicology Branch II.
Difethialone: Review of Registrant's Response to New
Chemical Screening of Previously Submmitted Toxicology Data.
MRID 40791405.
February 11, 1993. Memorandum. 3 Page(s).
Ray Landolt. Toxicology Branch II.
Difethialone - Technical Acute Inhalation Toxicity (81-3)
MRID No. 40268907.
Tox Review No. 010018.
August 24, 1993. IRB Branch Rev. 50 Page(s).
William W. Jacobs. LiphaTech Inc.
Difethialone Pellets, Difethialone Rat and Mouse Bait
Packs (Pellets)
MRID Nos. 42069306, 42069302, 42064006, 42069308, 42628102,
42064008, 41895104, 41895102, 42628105, 41850201, 42713601,
42713604, 42713605, 42064005,42064007, 42069301, 42713602.
September 30, 1993. Memorandum. 6 Page(s).
Alfred Smith. Registration Support Branch.
Product Chemistry Review of Difethialone Technical
MRID No. 42065001, 42065002,
Deleted pages 6-12-registrant data.
January 6, 1994. Memorandum. 83 Page(s).
Ray Landolt. Toxicology Branch II.
Difethialone, New Chemical Anticoagulant Rodenticide.
MRID No. 42268903, 42687704, 40268904, 42637705, 40268905,
42687706, 40268907, 42687707, 40268908, 42687708, 402268909,
42687709, 42628106, 42687701, 40791402, 42687710, 42203802,
43303801, 42065008, 42065007, 42628107, 42628108, 42114301.
Attachment(s) following:
January 6, 1994. Memorandum. Page(s).
Ray Landolt. Toxicology Branch II.
Continued: MRID No. 42628001, 42065013, 40791402, 42687710,
42065010, 42687710.
February 14, 1994. Review. 9 Page(s).
William W. Jacobs. LiphaTech, Inc.
Support roof rat claims. 97.6% Difethialone tehnical and
0.0025% Difethialone pelleted baits.
MRID No. 43522001, 43522002,.
November 7, 1994. Memorandum. 2 Page(s).
Ray Landolt. Toxicology Branch II.
difethialone, Data Waiver for Acute Inhalation Study on a
0.0025% Pellet formulation.
Tox Review No. 011319.
November 22, 1994. Memorandum. 15 Page(s).
Ray Landolt. Toxicology Branch II.
Data Waiver for Additional Testing on the Metabolic 1/2 Life
of Difethialone.
MRID No. 42065009, 42065010.
Tox Review No. 011330.
December 14, 1994. Review. 23 Page(s).
William W. Jacobs. LiphaTech, Inc.
Difethialone Technical, Difethialone Baits.
MRID No. 43180501, 43180502, 43186601, 43186602, 43395302,
43360901, 43371601.
Deleted pages 11-12 and 14-registrant data.
February 15, 1995. Review. 1 Page(s).
John B. Bazuin. None.
Note on the Inclusion of 7173-ERR in the Roof Rat Efficacy
Letter.
MRID No. 4352201, 43522002, 43522013.
March 27, 1995. Report. 12 Page(s).
William W. Jacobs. LIphaTech, Inc.
Registration, get warfarin-resistant rodents claim. 97.6%
difethialone Technical (7173-ENU only) 0.005% Difethialone
baits (others).
April 13, 1995. Memorandum. 6 Page(s).
Stephen L. Johnson. Registration Division.
Registration of the New Anticoagulant Redenticide
Difethialone and Three End-Use Products.