Experiment Mo.: Conducted At: Reviewed By: A ftlX -O H lM Primary Skin Irritation Test with T-3371 in Albino Rabbits 0883EB0079 Safety Evaluation Laboratory Riker Laboratories, Inc.

Internal Correspondence 5| I tI i rI i V; To From: Subject: Date: D.

Attachments to Letter to C.

3M Chemicals 3M Center St.

/\@-3,3yts f 3 ( p PFOS: A REPRODUCTION STUDY WITH THE MALLARD FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

A&3J6- I f S t PFOS: A DIETARY LC50 STUDY WITH THE MALLARD WILDLIFE INTERNATIONAL LTD.

SIERRA BIOMEDICAL A CHARLES RIVER COMPANY PATHOLOGY PEER REVIEW REPORT 26-WEEK CAPSULE TOXICITY STUDY WITH AMMONIUM PERFLUOROOCTANOATE (APFO) IN CYNOMOLGUS MONKEYS Covance Study Number 6329-231 OBJECTIVE A microscopic peer review of the all tissues from all high-dose animals, selected control animals, and the two animals that had an unscheduled sacrifice (105721 and I05724) was performed.

AR226-1990 BEST COPY AVAILABLE -< fl\ >.

AR226-1996 J o UY >!'

AR226-2003 &% k . aiins/o. v.

DuPont Modeling Methodology and Results DRAFT Shimizu Site June 2003 AR226- 06/02/03 IO GJ GJ About the Model Industrial Source Complex Short Term 3 (ISCST3) Sold/used globally, Including in Japan http://www.phoenix-r.co.jp/products/products.htm Input Stack height, diameter Flowrate, temperature Mass of pollutant (kilogram per hour) Local meteorological data (Shlzouka 1997, 98, 99) Output Ambient air concentrations in ug/m3 Max values and locations outside the property line CAB000376 Prevailing wind -- *> R HD H CAB0OO377 Ambient annual ground level concentration in ug/m3 Model Calculations i Ambient air concentrations based onGaussian Equation Concentration a function of a vertical term and a i dispersion term i Vertical term based on stack height, receptor elevation, plume rise, mixing i B H O H Dispersion parameters describe distribution of pollutant in lateral and vertical CAB000378 m Ha<H1 ir CABO0037 9 Shimizu Modeling Inputs Stack Parameters Source ID 1 2 3 4 ssmPmPccoraarresuupp-tbbs))-scbbcreeurrrub((bbccbeaaerllDeereeeddxsxi""tciAAtfroiCfCportrifSSoifninccnerreuupbbpobboweewdrrd''eoeornnr DBCScrubber MP-2scrubber location DPlant DPlant pcolaEpnoPMtlyflaPomn-rp2teoP:rwbcFtuoydAippeldaoerinnlymdgm:iFceErroP- OOOOppppeeeepppprerrreeeOdddrdrrraaaappppaaaaptttteeeeyyyyeeeee,,rr,,rrssssryayy2y2112222eeete0788i44o44aaaa0000nrrrrhhhhddddsooooaaaauuuuyyyyrrrrssssssssj Height, m - Diameter, m 8 0.68(1) 15 0.6 18,2 0.6 16.1 10.6 assumed Flowrate m3/hr 2400 9600 1620 7500 r~ N> (1)GivenInemailof4/17/03from Hidetaka Hlromatsu: 600sommsquaredlametTer.

V AR226-2385 PERSONAL AND CONFIDENTIAL CC: T.

AR226-2390 INTEROFFICE MEMORANDUM Date: 4-May-1987 02:09pm EST From: TONY PLAYTIS playtis Dept: TEFTECH Tel No: 2775 TO: ROGER ZIPFEL < ZIPFEL ) Subject: C8 in Water by t hTlhoL d-fn"ilf owti^riwd re" sultsT hh.avdei cbteieon nrecUeiviet d <rbfyt hpheonte; t a . ie0t. 4terp pwbi. ll follow Sample Washington Works drinking -fountain, B3 Powell's General Store, Washington WV Lubeck Pennzoil, Lubeck WV Mason's Village Market, Little Hocking OH S12 20th Street, Vienna WV BBb_Ci <0.4 1.3 1. <0.4 <0.4 JZ009211 N EID136975

CONSTITUENT LOWER POND DISCHARGE FC-143* TOLUENE OTHER VOC'S OTHER SEMIVOL*S UPPER POND DISCHARGE FC-143* m-CRESOl OTHER VOC'S OTHER SEMIVOL'S IETART LANDFILL MONITORING SURFACE HATER.

AR226-2446 ZIPFEL 08/05/97 01:38 PM To: BRANDERA A T A1 AT EU0IS2 , KRONBERG , MORGANRA , AL, CHAPMAGA cc: DAUBEC, MAASJP Subject: Can you help explain the attached In the follow-up to a finding at Dordrecht, we analyzed the Ho. 2 Wet ^ finishing line every 30 minutes for 2 hrs for C-8 and % moisture.