3M Medical Department Medicine Health Physics Industrial Hygiene Toxicology 3M Center Bldg. 220-2E-02 S t Paul.

'C__ Z Z -Z Z J Pathology Associates International A Company of Science Applications International Corporation /E|Rll.t~OSia> z^^^ An Employee-Owned Company PATHOLOGY REPORT (ANCILLARY STUDY) ELELCUTNRGOANNMD ILCIRGOHSTCMOIPCICROESVCAOLPUIACTEIOVNALOUFALTIIVOENROAFND LIVER IN CRL:CDBR VAF/PLUS RATS) ORAL (GAVAGE) PHARMACOKINETIC STUDY OF PFOS IN RATS PACILSITEUNDTYSNTUUDMYBENRUM99B-1E1R(E41M8-9091.339) Prepared by: James B.

M a.2 . 6 - 0 8 7 2 BIODEGRADATION (BOD/COD) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-787 or FC787X. (1-Octanesulfonic acid) (CAS # 2795-39-3).

' *r 1 1- AR226-2029 INTEROFFICE MEMORANDUM TO: Gregory A Chapman TO: GERALD L.

t r a d e SF.rRFT AR226-3095 Study Tide Laboratory Project ID: HLO-1998-01285 Data Requirements: Author: David Gabriel Study Completed on: April 17,1998 P erforming Laboratory: ConTox Ltd.

AR226-3109 FILE No. 715 02/12 '99 09:19 ID:DUPONT JACKSON LAB RflllO 609 540 4463 CONFIDENTIAL FEB -1999 y PAGE : :^ ^iiNOTE- L -esis^y4?

Medicine, Health Physics Industrial Hygiene, Toxicology 3M Medical Department 3M Center.

HAZLETON WASHINGTON 9 2 0 0 LEESBURG PIKE VIENNA.

Pathology Associates International A Company of Science Applications International Corporation An BmptaytmOmma Company Sponsor: 3M St.

/Iftfc-OSIH ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity: Perfluorooctanoic add, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, FC-143, or as a major component of FX-1003.

Aft. 2.S L & - 0711/ BIODEGRADATION (BOD/COD) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

giMS -OS00.7p ilB IN A L PHYSICAL/CHEMICAL PROPERTIES TEST SUBSTANCE ______ ($ X & -o a 7 } caoo_> n,.

1998 DEER REPRODUCTION A # .z a 6 - i JAW TAG IDENTIFICATION NUMBER ^ " NAME OF DATA COLLECTOR M ___________ DATE OF COLLECTION Q i COUNTY OF COLLECTION l/JpO ^- Month/Day/Year / CAUSE OF DEATH: Road Kill___Crop Damage \/_ Other (specify)____________________ l o c a t io n : f M k ( f U l (M et, I d iM k o fij i d {G f t h a * f a r m ( T T) (Road number, distance and direction to nearest map land mark, Intersection, town, stream crossing, UTM's preferred) CONDITION OF CARCASS:Rumen Ruptured___Missing Body Parts___ Uterus Ruptured___ Fetuses Damaged___Evidence o f Scavenger___Hair "slipping"___ Obvious BrokenLegs(#)___ Carcass Intact (no visible major obvious injuries, excluding abrasions and some bair Ioss)_J^_ AGE OF DOE: lO fo rn .

CAS Number 335-77-3 (acid) & 67906-42-7 (ammonium salt) 3M Company 4 . a 6 j T 7 f Voluntary Use and Exposure Information Profile Perfluorodecane sulfonate I.

AR226-1998 TRENDS IN C-8 IN AIR LEVELS FEE Area (Composite Avg.) .1980 C-8 T n Air' (mpb) AEL 0.56 1981 1982 1983 1.87 0.32 Not Calculated 0,15 FEE Wet Finishing Operator 0.95 0.30 FEE - No, 1 Clean Boom No. 2 Clean Boom 6;80 3.11 Fine Powder Dryer Operator 1.40 0.56 Fine Powder Dryer Boom (Composite Avg.) 3.00 2.47 0.09 3.54 0.15 0.37 0.11 0.19 0.06 0.23 JWR:ldr 10/19/83 AJP003476 EID077033