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ADDITIONAL INFORMATION TO SUPPORT HSRB REVIEW OF C HLORPYRIFO S STUDIES Enclo sed p l ease fin d additiona l information r egarding co ndu c t of the Ki s icki, 1999 human vo luntee r stu dy (MRID 448 11002) a s r eq u es te d by J o hn Carl ey via hi s Jun e 24, 2 009 e mail. T he form s I a m forwarding were r eceived from the origi n a l te s t facility, MDS Harri s Labs ( n ow MDS Pharma Service s ) , and wer e described in a cove r letter fro m MDS a s compri s ing th e l og whe r ein prospecti ve volu nteers i nd ic ated they h ad li s tened to an a ud io t ape of t he Informed Conse nt For m d uri ng the sc r ee nin g process. Since the orig inal sheet s I r ece i ve d contained perso nal in formation s uc h as n ame s , ad dresse s , and SSN' s, a sa n itized copy i s be in g provided t o t he EPA which excl udes this informati o n and ob s c ures the full deta il s of the s i gnatures. H o p e fully thi s information will be usefu l in docum e n t ing the type of info rm ed con se nt process w hich occurred with th e vo lunt eer candidate s du r ing t he s c r ee n ing proce ss . Please let me know if ther e is any f urther information or clarificatio n t he Age ncy may re qu ir e. Contents of Submission Volume Volume l Contents • Tr a n s mittal document ( thi s lette r ) • Co mplimentary copy of d oc uments f rom MDS Pharma Services If yo u require ad di t ion a l i nf

orma tion , pl ease co ntac t me or J oyce Ca rroll, R eg i s t r atio n Ass is ta nt for th i s pro du c t, at 3 17-337-463 1 .

Kenne th D. Racke , Ph.D . R eg ul ato ry Leader - R eg ul atory Affairs 317-337-4654 

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### Screen Date: 06-0CT-1998 06:00 Study Number: 21438 Group ID: 2 HID 448 449 468 469 476 477 478 

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