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Appendix C: Technical Support Documents 

 Additional documentation in support of this RED is maintained in the OPP 

docket, located in room S-4400, One Potomac Yard (South Building), 2777 S. Crystal Drive, 

Arlington, VA 22202. It is open Monday through Friday, excluding legal holidays, from 8:30 

am to 4 pm. 

 All documents, in hard copy form, may be viewed in the OPP docket room or 

downloaded or viewed via the Internet at the following site: http://www.regulations.gov 

 

These documents include: 

HED Documents: 

Review of the 21-day Dermal Toxicity Study. Doherty, J.; D334641; TXR 0054520; 

March 6, 2007. 

Revised Memo to Incorporate Reponses to Phase 5 Public Comments. N-Octyl 

bicycloheptene dicarboximide (MGK-264): HED Chapter of the Reregistration Eligibility 

Decision Document (RED). Donovan, W.; D327167; March 20, 2006. 

MGK-264 Indoor Handheld Fogger Applicator Scenario: Comparison of Prallethrin 

Inhalation Study and Florida Greenhouse Study. Weiss, S.; D327961; July 5, 2006. 

MGK-264: REVISED Occupational and Residential Exposure Assessment for the 

Reregistration Eligibility Decision Document. Weiss, S.; D324674; March 10, 2006. 

Revised Memo to Incorporate Responses to Phase 3 Public Comments. N-Octyl 

bicycloheptene dicarboximide (MGK-264) RED – Reregistration Eligibility Decision. 

Product and Residue Chemistry Considerations. Donovan, W.; D318874; September 9, 

2005. 

Review of MGK-264 Incident Reports. Blondell, J.; D306591; October 6, 2004. 

N-Octyl bicycloheptene dicarboximide (MGK-264) Acute and Chronic Dietary Exposure 

Assessments for the Reregistration Eligibility Decision. Donovan, W.; D295639; 

September 21, 2004. 

MGK-264: First Report of the Hazard Identification Assessment Review Committee. 

Eiden, C.; TXR No. 0052650; June 25, 2004. 

HED Response to Comments Documents: 

MGK-264. Health Effects Division (HED) Phase 6 Response to Phase 5 Comments on 

the MGK-264 Preliminary Reregistration Eligibility Decision (RED) and Supporting 

Memos. Donovan, W., Doherty, J., Weiss, S.; D324672; May 11, 2006. 
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MGK-264. Health Effects Division (HED) Phase 4 Response to Phase 3 Public 

Comments on the MGK-264 Preliminary Reregistration Eligibility Decision (RED) and 

Supporting Memos. Donovan, W., Doherty, J., Weiss, S.; D321193; September 15, 

2005. 

Piperonyl Butoxide (PBO), Pyrethrins and MGK-264: Health Effects Division’s 

response to the Registrant’s concerns for using metaplasia seen in the larynx in 

subchronic inhalation studies as an endpoint for inhalation risk assessment. Ramasamy, 

S., et al.; D319913, D319914, and D320298; September 8, 2005. 

MGK-264. HED Response to Error-Only Registrant Comments on the MGK-264 

Preliminary RED. Donovan, W., Doherty, J., Weiss, S.; D311280; March 2, 2005. 

EFED Documents: 

Revised Screening Ecological Risk Assessment for the Reregistration of MGK-264 

Insecticide Synergist. Eckel, W.; D329617; July 14, 2006. 

Drinking Water Assessment for MGK-264 Insecticide Synergist: Surface Water Revision 

for Ground Spray. Eckel, W.; D305104; February 17, 2005. 

EFED Response to Comments Documents: 

Response to Comments of Phase 5 Period About Water Quality, and Other Issues on the 

Revised Draft EFED RED Chapters for Pyrethrins, PBO and MGK-264. Davy, M., et al.; 

D324663, D324664, D324667, D324662, D324671, and D324673; January 30, 2006. 

Response to Pubic Comments on Drinking Water Assessment for MGK-264 Insecticide 

Synergist. Eckel, W.; D318870; August 31, 2005. 

Response to Public Comments on Ecological Risk Assessment for MGK-264 Insecticide 

Synergist. Eckel, W., and Lee, R.; D318871; August 31, 2005. 

Response to Error-Only Review of Ecological Risk Assessment and Drinking Water 

Assessment for MGK-264 Insecticide Synergist. Eckel, W.; D295633; February 17, 

2005.