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Final Summary Report Study Title Author Extended Recovery Study Following a 26-Week Capsule Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS; T-6295) in Cynomolgus Monkeys Peter J. Thomford, PhD Sponsor .j _ Test Facility 3M St. Paul, Minnesota Covance Laboratories Inc. 3301 Kinsman Boulevard Madison, Wisconsin 53704-2595 Laboratory Study Identification Covance 6329-268 Sponsor Study Identification Report Issued Page Number 3M T-6295.22 04 December 2001 1 of 23 _2 i Covanee6329-268 3MT-6295.22 COMPLIANCE STATEM_NT Extended Recovery Study Following a 26-Week Capsule Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS; T-6295) in Cynomolgus Monkeys All aspects of this study were in accordance with the Environmental Protection Agency Good Laboratory Practice Standards, 40 CFR 792. i l_e'_J. Tl(e_ord, PhD_ - Study Director _7 Covance Laboratories Inc. 'Andrew M. Seacat, Phi3 3M Toxicology Services _ Date I.. , Date -2- Covance6329-268 3M T-6295.22 QUALITY ASSURANCE STATEMENT This report has been reviewed by the Quality Assurance Unit of Covance Laboratories Inc., in accordance with the Environmental Protection Agency (-EPA) Good Laboratory Practice Standards, 40 CFR 792. The following inspections were conducted and findings reported to the study director and study director management. Inspection Dates From To 02 Mar 00 02 Mar 00 03 Apr 00 03 Apr 00 04 May 00 04 May 00 05 Ju100 03 Ju100 20 Sep 00 26 Sep 00 27 Dec 00 27 Feb 01 09 Mar 01 30 Mar 01 24 Apr 01 11 Jun 01 15 Nov 01 05 Ju100 03 Ju100 20 Sep 00 26 Sep 00 28 Dec 00 27 Feb 01 09 Mar 01 03 Apr 01 24 Apt 01 11 Jur101 16 Nov 01 Phase Protocol Review Protocol Amendment Analytical Laboratory Inspection Body Weight Data Review Review Animal Observation Data Review Data Review Protocol Amendment Postlife Review Data Review Report Review Protocol Amendment Review Report Review Date Reported to Study Director and Study Director Management 02 Mar 00 03 Apr 00 04 May 00 05 Ju100 06 Ju100 20 Sep 00 28 Sep 00 28 Dec 00 27 Feb 01 09 Mar 01 03 Apr 01 24 Apr 01 11 Jun 01 19 Nov 01 i RQeuparlietsyenAtastsiuvreance Unit g Date -3- Covance 6329-268 3M T-6295.22 KEY PERSONNEL Extended Recovery Study Following a-26-Week Capsule Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS; T-6295) in Cynomolgus Monkeys Study Monitor:. Study Director: Study Toxicologist: Study Coordinator: Supervisor, Large-Animal Toxicology: Associate Director, Laboratory Animal Medicine: Anatomic Pathologist: Supervisor, Anatomic Pathology: Principal Investigator: Andrew M. Seacat, PhD 3M Peter J. Thomford, PhD Dale Aldridge, BS Elizabeth A. Disch, BA Cynthia A. Weber, AS, LATG Donna J. Clemons, DVM, MS Diplomate, ACLAM Robert A. Leedle, DVM, Phi) Diplomate, ACVP Laurie J. Schuller, BA, LAT Kris J. Hansen, PhD J ? : -4- l _1 :_ _'_ i PURPOSE Covance6329-268 3M T-6295.22 f The purpose of this study was to continue assessment of the toxicokinetics and distribution of the test material during an extended (approximately 1 year) recovery following daily administration by capsule to cynomolgus monkeys for at least 26 weeks and at least 52 weeks of recovery. The subject study was conducted at Covance Laboratories Inc., in Madison, Wisconsin, from 08 March 2000 through 09 March 2001. This document summarizes the major findings for the study. All aspects of this study were done in accordance with the Environmental Protection Agency Good Laboratory Practice Standards, 40 CFR 792. PROCEDURES The animals used for this study (male and female cynomolgus monkeys; two animals/sex) were previously assigned to the recovery phase of a completed study for this sponsor [3M T-6295.7, Covance 6329-223, '26-Week Capsule Toxicity Study with PMeorfnlkueoyros"o]c.tanDeurSinuglfoCnoievaAncceid6P3o2t9a-s2s2iu3m, thSealatn(iPmFaOlsS;reTce-i6v2e9d5)0.i1n5Cmyngo/kmgo/dlgauys of PFOS as a single daily capsule dose for at least 26 weeks followed by a 52-week recovery. At the end of the initial recovery, a partial hepatectomy was conducted on the animals, they were allowed to recover from the surgical procedure, then were transferred to the subject follow-up study (Covance 6329-268) for evaluation of extended recovery. Animals were not treated in the subject study. Animals were obtained from Covance Research Products Inc. (Denver, Pennsylvania) on 30 June 1998. At study initiation, the animals were young adult to adult and weighed 2.8 to 4.1 kg. Each animal was identified with a collar tag. The animals were housed individually in stainless-steel cages (except when pair-housed for environmental enrichment), and certified primate diet [#8726C, Harlan Teklad (through 22 January 2001)] and Teklad Global Diet [#2055, Harlan Teklad (beginning 23 January 2001)] was provided once or twice daily. Water was provided ad libitum. The animals were observed twice daily (a.m. and p.m.) for mortality and moribundity and once daily for signs of poor health or abnormal behavior; findings were recorded as they were observed. In addition, animals were observed once weekly, and any findings or an indication that the animal was normal was recorded (see Protocol Deviations for exceptions). Individual body weight data were recorded monthly (see Protocol Deviations for exceptions). Blood samples for serum PFOS level determination were collected after 2, 4, 6, 8, I0, and I2 months following study initiation. Urine and fecal samples were collected for PFOS level determination after 4, 8, and 12 months following study initiation and within one day of the serum PFOS collections. During Week 53, animals that were fasted overnight were anesthetized with ketamine and xylazine, weighed, exsanguinated, and necropsied. At the scheduled sacrifice, macroscopic observations were recorded, and selected tissues were collected and preserved. -5- Covance6329-268 3M T-6295.22 Please see Protocol Deviations on page 11 for a description of all deviations from the protocol. Study Timetable: Study Initiation Date: Inlife (Experimental) Start Date: Inlife Termination Date: Experimental Termination Date: 28 February 2000 08 March 2000 09 March 2001 30 November 2001 All raw data, documentation, records, protocol, specimens, and final report generated as a result of this study generated by Covance will be archived in the storage facilities of Covance for a period of at least 1 year following submission of the final report to the Sponsor. At least one year after submission of the final report, all of the aforementioned materials will be sent to the Sponsor, and a return fee will be charged. The Sponsor may elect to have the materials retained in the Covance archives for an additional period of time, and Covance will charge a storage fee. If the Sponsor chooses to have Covance dispose of the materials, a disposal fee will be charged. All raw data stored on magnetic media will be retained by Covance. The Sponsor is responsible for retention of all raw data, documentation, records, specimens, and final reports generated as a result of this study by the Sponsor. i, RESULTS AND DISCUSSION Observations of Animals Clinical Observations Clinical observations are presented in Table 1. All animals survived to the end of the study and were sacrificed on Day 367. Clinical observations throughout the study were typical of cynomolgus monkeys in a recovery phase, with no evidence of test material effect. Body Weights Body weight data are summarized in Figure 1 and presented in Table 2. Body weights for the animals remained normal throughout this extended recovery phase. Individual Anatomic Pathology Data Individual anatomic pathology data are presented in Table 3, ] There were no macroscopic observations noted at necropsy. I Serum PFOS Level Determination :7 Reporting of the results is the responsibility of the sponsor. "67 Urine and Feces PFOS Level Determination Reporting of the results is the responsibility of the sponsor. Liver Analysis Reporting of the results is the responsibility of the sponsor. Additional Tissue and Serum Analysis Reporting of the results is the responsibility of the sponsor. Covance6329-268 3M T-6295.22 # CONCLUSIONS After the completion of a previous study with 26 weeks of treatment and 52 weeks of recovery, two male and two female eynomolgus monkeys that underwent approximately 52 weeks of extended recovery bad no clinical observations or macroscopic findings that indicated any residual test material effects. i: SIGNATURES EHzab_ A. Di_l_ BA - Date Stud_C(_ordinator Covancv Laboratories, Inc. Y Covance Laboratories Inc. Covance 632%268 3M T-6295.22 3 -L -8- Covance 6329-268 3M T-6295.22 ANATOMIC PATHOLOGY REPORT SUMMARY Four cynomolgus monkeys, two males and two females, were used in an extended recovery study (52 weeks), following a 26-Week Capsule Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS; T-6295). On Day 367 of the extended recovery, the monkeys were fasted overnight, anesthetized with ketamine and xylazine, weighed, exsanguinated, and necropsied. All animals survived until the scheduled sacrifice. There were no macroscopic observations at necropsy. Samples of liver, lung, kidney, spleen, thyroid, brain, abdominal fat, heart, and bile and serum were collected, flash-frozen in liquid nitrogen, and shipped to the sponsor for analysis or storage. METHODS Four cynomolgus monkeys, two males and two females, were used in an extended recovery (52 weeks) study. The animals were previously assigned to the recovery phase of a completed study for this sponsor [3M T-6295.7, Covance 6329-223, "26-Week Capsule Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt OaFOS; T-6295) in Cynomolgus Monkeys"]. During this study, the animals received 0.15 mg/kg/day of PFOS as a single daily capsule dose for at least 26 weeks followed by a 52-week recovery. At the end of the initial recovery, a partial hepatectomy was conducted on the animals, they were allowed to recover from the surgical procedure, and then they were transferred to the subject follow-up study (Covance 632%268) for evaluation of extended recovery. On Day 367 of the extended recovery, the monkeys were fasted overnight, anesthetized with ketamine and xylazine, weighed, exsanguinated, and necropsied. Asample liver (approximately 10 g) was flash-frozen in liquid nitrogen, stored in a freezer set to maintain -60 to -80C, and shipped to the sponsor for analysis. Samples of lung, kidney, spleen, thyroid, brain, abdominal fat, heart, (approximately 3 g each, if possible), and bile and serum (each as much as possible) were collected and flash-frozen in liquid nitrogen and stored in a freezer, set to maintain -60 to -80C, until shipped to the sponsor. RESULTS AND DISCUSSION _ Mortality _, All animals survived to the scheduled sacrifice at Day 367. 5 ,_ Macroscopic Observations There were no macroscopic observations. #2 _ d -J -'P" -; / rr' / / =" ,"/ _,"._.,_'" Z'4,.,_:z/-,,-_:4>"__;_4_t_" _e RobertA. Leedle, DVM, PhD Diplomate, ACVP Covance 6329-268 3M T-6295.22 <.._,._,r,:_...'g,..,_e+/..g,/,.C.,.,.".3_.,0.i Date 7 -/u- Covance6329-268 3MT-6295.22 Protocol Deviations Protocol Husbandry. Environment. "Environmental controls for the animal room will be set to , maintain 18 to 29C, a relative humidity of 30 to 70%, and a 12-hour light/12-hour dark cycle." Actual Procedure On Days 352 and 366 the light cycle was inadvertently interrupted. Protocol Observation of Animals. Clinical Observations. "Once weekly, each animal will be observed; abnormal findings, or an indication that the animal is normal will be recorded." Actual Procedure D_ng Week 1, one male and each female had an observation of normal recorded more th_n once. .OnDay 28 the weekly observations were made by exception, and an indication of normal was not recorded when appropriate. During Week 29, the required observation of normal or abnormal was not recorded "weekly" for Animal No. I05552. The observation was recorded on Day 197, which immediately followed the previous week's scheduled normal observation day. The observation should have been recorded on Day 203. Protocol Observation of Animals. Body Weights. '_Monthly" Actual Procedure The animals were weighed on Day 1 and again on,Day 7, in order to accommodate the weighing schedule of the remainder of the stock colony. Protocol Serum PFOS Level Determination. Sample Handling. "Samples will be centrifuged within 1 hour after collection, and serum will be harvested. Serum samples will be stored in a freezer set to maintain -60 to -80C. '' Actual Procedure Samples collected on Day 114 were centrifuged several minutes after 1 hour had elapsed from the time of collection. On Day 226, documentation was not made regarding the storage of serum samples prior i_ to centrifugation and after harvest. !<!_ - 11 . Covance6329-268 3M T-6295.22 Protocol Urine and Feces PFOS Level Determination. Method of Collection. "Animals will not be fasted; urine (approximately 2 mL) and feces (approximately 5 grams) will be collected overnight." Actual Procedure The amount of urine collected on Day 113 cannot be verified. The documentation for fecal collections on Day 113 indicates "at least" rather than "approximately" 5 grams were collected. Protocol Postmortem Procedures. Additional Tissue and Serum Samples. "Samples of lung, kidney, spleen, thyroid, brain, abdominal fat, heart, (approximately 3 g each, if possible), and bile and serum (each as much as possible) will be collected from animals at scheduled and unscheduled sacrifices." Actual Procedure Serum was not collected from three of the four monkeys at the necropsy. These deviations are not expected to have affected the results of the study. i -12- 3_ T._29S.22 Figure1 Covance6329-268 Mean Body Weight Data (kg) - Males and Females EXTENDEDRECOVERYSTUDY FOLLOWINGA 26-WEEKCAPSULETOXICITY STUDY WITH PERFLUOROOCTANESULFONICACIDPOTASSIUMSALT (PFOS;T-6295) IN CYNOMOLGUSMONKEYS 5.5 Males Females ,, 13.5 I i i i i i i [ i i i i 1 i i i i i i i i i i i ) ] 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 4g 51 53 a Week 1, Day7 Week - 13- Covanc, _ 6329-268 3M T-6295.22 Table 1: Individual CHnical Observations Covance 6329-268 EXTENDED RECOVERY STUDY FOLLOWING A 26-WEEK CAPSULE STUDY WITH PERFLUOROOCTANE SULFONIC ACID POTASSIUM IN CYNOMOLGUS MONKEYS ........................................................................................................ SALT TOXICITY (PFOS;T-6295) PAGE_ 1 _ ........................... ANIMAL NUMBER DEATH CODE WK OF DEATH CATEGORY KEYWORD QUALIFIER GROUP: M1 DAYS 1-367 - OBSERVED DURING THE DAYS LISTED BELOW; 'C' - COMMENTS LISTED AT END OF OBSERVATIONS I05505 T 53 DISCHARGE VOMITUS CONTAINING FOOD SKIN & PELAGE ALOPECIA LIMB-FRONT-LEFT NORMAL NO REMARKABLE OBSERVATIONS I05523 T QUALITATIVE LOW NONE FOOD CONSUMPTION 53 APPEARANCE SWOLLEN HEAD-MAXILLARY-RIGHT NOSE DISCHARGE VOMITUS CONTAINING FOOD EXCRETION FEW FECES NON-FORMED FECES 64, 116, 162 154, 161 1, 7, 14, 120, 126, 224, 231, 315, 522, 21, 133, 238, 329, 35, 42, 49, 140, 147, 245, 252, 336, 343, 56, 168, 259, 350, 63, 175, 266, 357, 70, 77, 84, 182, 189, 273, 280, 364, 367 91, 196, 287, 98, 105, 112 203, 210, 217 294, 301, 308 227 312 36-37 9 64, 162 8 i, 4 -14- _- , _, "" ,_ _,- _ _,_ ,_ --,,L ___ ._ '.L _ .... "_*_'-_:!'-_._.c_i "L'_'_L'_-:_-'_'__'w':''_'_ ......._.''_ ......_.=_,L__:_,_ 3N T-6_2g_._ , -L Individual Table 1 Clinical Observations EXTENDED RECOVERY STUDY FOLLOWING STUDY WITH PERFLUOROOCTANE SULFONIC IN CYNOMOLGUS .................................................................................................................................... A 26-WEEK CAPSULE TOXICITY ACID POTASSIUM MONKEYS SALT (PFOS;T-6295) Covance 6329-268 PAGEz 2 ANIMAL NUMBER DEATH CODE WK OF DEATH CATEGORY KEYWOED QUALIFIER GROUP: M1 (CONTINUED I05523 T FROM PREVIOUS PAGE) 53 SKIN & PELAGE ALOPECIA LIMB-FRONT-LEFT SCAB(S) HEAD-MAXILLARY-RIGHT NOSE NORMAL NO REMARKABLE OBSERVATIONS QUALITATIVE LOW NONE FOOD CONSUMPTION DAYS 1-367 - OBSERVED DURING THE DAYS LISTED BELOW; C' - COMMENTS LISTED AT END OF OBSERVATIONS 15_, 161 37 14 7. 21, 35. 126, 133, 231, 238, 322, 329, 42. l&0, 245, 336, 49. 147, 252, 343, 56. 63. 70. 77. 168, 175, 182, 259, 266, 273, 350, 357, 364, 84. 189, 280, 367 91. 98, 105, i12, 120 196, 203, 210, 217, 224 287, 294, 301, 308, 315 9, 227, 254. 317 8 -15- ........................... Individual Table 1 Clinical Observations EXTENDED RECOVERY STUDY FOLLOWING A 26-WEEK CAPSULE STUDY WITH PERFLUOROOCTANE SULFONIC ACID POTASSIUM SALT IN CYI_OMOLGUS MONKEYS --........................................................................................................ TOXICITY (PFOS;T-6295) Covance 6329-268 PAGE: 3 CATEGORY GROUP: F1 ANIMAL DEATH WK OF KEYWORD DAYS NUMBER CODE DEATH QUALIFIER ..... _ .............................................................................................................................. 1-367 - OBSERVED DURING THE DAYS LISTED BELOW; 'C' - COMMENTS LISTED AT END OF OBSERVATIONS I05539 T 53 DISCHARGE VOMITUS CONTAINING FOOD APPEARS TO BE MENSTRUATING NORMAL NO REMARKABLE OBSERVATIONS I05552 T QUALITATIVE LOW FOOD CONSUMPTION 53 DISCHARGE APPEARS TO BE MENSTRUATING EXCRETION LIQUID FECES NON-FORMED FECES SKIN & PELAGE ALOPECIA LIMBS-ALL LIMBS-FRONT SACRAL NORMAL NO REMARKABLE OBSERVATIONS 64 164, 247, 276, 362 i, 5, 7, 112, 120, 203, 210, 301, 308, 14. 21, 35. 42. 126, 133, 140, 217, 224, 231, 315, 322, 329, 49. 147, 238, 336, 56. 63. 70. 77, 154, 161, 168, 245, 252, 266, 343, 350, 357, 84, 91, 98, 105 175, 182, 189, 196 273, 280, 287, 294 364, 367 I, 5, 116-117, 227, 259, 317, 353 365 31, 37, 213-214, 223 35, 209 227, 230-231, 233, 238, 245, 252, 329 266, 273, 280, 287, 294. 301, 308. 312. 315. 317, 322 11, 14, 21, 31, 35, 37 I, 5, 7, 42, 49, 56, 63, 133, 140, 147, 154, 161, 224, 259, 336, 343, 350, 70, 77, 84, 91, 98, 168, 175, 182, 189, 357, 364, 367 105, I12, 120, 126 196-197, 210, 217 -16- o_,,_,__..,.._,T_._a._,_. .... _:,..-..,.,........................................ ,,:,, ,,,i,_*,_r'_'-"':: ............ ......._:_'_-:_"-_"............. wi_'i_'_"'-"'"_'_ ..... _""_'_ ..........."._. "-iiiiiTf '_'';'_:_'_'-_"_:_'_"k'li;-_'"_"i[i'_i1_;:_''''-......................;..... '_"_'_'"_':'- ..................................... '_ .................... "...... ;'_"'_'": II Ill 3M T-6295,22 ............................ Individual Table 1 Clinical Observations EXTENDED RECOVERY STUDY FOLLOWING A 26-WEEK CAPSULE STUDY WITH PERFLUOROOCTANE SULFONIC ACID POTASSIUM SALT IN CYNOMOLGUS MONKEYS --------.................................................................................................... TOXICITY (PFOS;T-6295) Covance 6329-268 PAGE: 4 ANIMAL NUMBER DEATH CODE WK OF DEATH CATEGORY KEYWORD QUALIFIER GROUP_ F1 (CONTINUED I05552 T FROM PREVIOUS PAGE} 53 QUALITATIVE LOW FOOD CONSUMPTION DAYS 1-367 - OBSERVED DURING THE DAYS LISTED BELOW; *C L - COMMENTS LISTED AT END OF OBSERVATIONS 5, 163-164, 203, 214, 227, 312, 317, 322, 353 -17- Table 2: Individual Body Weight Data (kg) EXTENDED RECOVERY STUDY FOLLOWING A 26-WEEK CAPSULE TOXICITY Covance 6329-26_ 3M T-6295.22 Covance 6329-268 3M T-6295.22 _-'::,ii:_;:_iI_ I05505 3.5 I05523 3.3 GROUP : FEMALE 1 I05539 4.1 I05552 2.8 a Week i, Day 1 b Week i, Day 7 3.8 38 4.0 4.1 ,:...!.::_.";-"_._,':_'-.,_ _3 '_.';,._:_.,,,.___ 3.2 3.9 4.0 4.0 :::!i_471"! : i_,:' i_,5 4[5 417 ' '"'/"_:_'/_",:Pa__Y=_ '_'_ 4.0 4.1 4.3 4.2 4.2 4.3 4.3 4.3 4.4 2 .7 2.7 3.0 3.0 3.0 3.1 3 .0 2.8 2 .B -18- Individual Table 2 Body Weight Dat_ (kg) ........................... EXTENDED RECOVERY STUDY FOLLOWING A 25-WEEK CAPSULE STUDY WITH PERFLUOROOCTANE SULFONIC ACID POTASSIUM SALT IN CYNOMOLGUS MONKEYS - ........................................................................................................ TOXICITY (PFOS;T-6295) ANIMAL WEEK WEEK NUMBER 37 41 ........................................................... GROUP: MALE 1 I05505 4.9 5.1 I05523 4.7 4.9 GROUP: FEMALE 1 I05539 I05552 4.5 4.5 2.9 3.0 WEEK 45 4.9 4.8 4.5 3.0 WEEK 49 4.9 4,6 WEEK 53 _ ........................................................................ 4.9 4.7 4.6 4.7 3,0 3.1 Covance 6729-268 3M T-6295.22 PAGE: 2 -19- Covance 6329-26B 3M T-6295.22 Table 3: Individual Anatomic Pathology Data Covance 6329-268 STUDY ............................................ WiTH PERFLUOROOCTANE _ " ' _:_ .7 :.IN SULFONIC ACID POTASSIUM CYNOMOLGUS MONKEYS ' SALT > (PFOS;T_6295)::'_ _ _,][_3;[! i' _:{;_t :;!_-_i_:_ . :_; i'_'.'_<_!_I_!__._ _[i:'-:}i_i ::_'_'_!_._,_ _L_ : .... 7rr---r- .... : ....... : ...... _-- ............. -77_q-ZrT_7_:_Z:_7_ __ ANIMAL NUMBER: I05505 MALE ! DOSE GROUP: SACRIFICE STATUS: SCH_DULED,_R_A:_A,_I_I'I_:_ DATE AND TIME OF NECROPSY: 03/09/01 POST-FIX WEIGHER NOT AVAILABLE 7:37' CATEGORY ** KEYWORD :'PROSECTOR: JOHN S. HALFORD ': PATHOLOGIST: AS ASSIGNED ! !REeORDE_"%. _.;_R_H_'i'_ WEiGHER_i_ TRb_::_H_'ST_F_ LAST IN L I F E OB SE RV AT IO N S *" * QUALIFIER / FREE-TEXT COMMENT ',_i_,' _#_i ..... ..... '" " : NORMAL NO REMARKABLE OBSERVATIONS ..................................................................................................................................... * * GROSS PATHOLOGY OBSERVATIONS *** ORGAN NAME SEVERITY, KEYWORD(S) OR PHRASE FREE-TEXT COMMENTS AND NOTES .............................................................................................................................. GENERAL COMMENT (GC) -NO MACROSCOPIC LESIONS ...................................................................................................................................... ' '[i_'-{_ "_i_ ,_ ' _ -_j_!:_ '' [ i. ! -20 - ...:..,.,J..i'i' _ " :.:- :.. ". Cov_ ..................................... Individual Table 3 Anatomic Pathology Data EXTENDED RECOVERY STUDY FOLLOWING A 26-WEEK CAPSULE STUDY WITH PERFLUOROOCTANE SULFONIC ACID POTASSIUM IN CYNOMOLGDS MONKEYS SALT ............................................................................................... TOXICITY (PFOStT-6295) Covance 6329-268 PAGE : 2 ANIMAL NUMBER: I05523 SEX: DATE OF DEATH: 03/09/01 DATE AND TIME OF NECROPSY: STUDY 03/09/01 POST-FIX WEIGHER: NOT AVAILABLE MALE DAY OF 8;07 DOSE GROUP: 1 DEATH: 367 PROSECTOR: STUDY JOHN PATHOLOGIST: AS SACRIFICE WEEK OF DEATH: S. HALFORD ASSIGNED STATUS: 53 SCHEDULED, TERMINAL SACRIFICE TERMINAL BODY WEIGHT: 4525.0 RECORDER: TROY CHRISTOFFERSON WEIGHER" TROY CHRISTOFFERSON GRAMS _ ** LAST INLIFE OBSERVATIONS CATEGORY KEYWORD QUALIFIER / ____ ...................................................................................................................... FREE-TEXT * ** COMMENT NORMAL .......... NO REMARKABLE OBSERVATIONS _ ......................................................................................................................... ORGAN NAME ** SEVERITY, GROSS KEYWORD(S) PATHOLOGY OR PHRASE OBSERVATIONS FREE-TEXT COMMENTS ** * AND NOTES .................. T .......................................................................................................... GENERAL COMMENT (GC) . . o . , . . . . o . o , 0 , -NO MACROSCOPIC LESIONS .................................................................................................................................... -21- WI_,'.'."t_'']!['!'"'_._,,,o,,li'Ii''nl/.a,ii,a_'_'='-'r_niiildzdi.a..l.d..i.r(__.=.... "_'"'__"........... _,,.,_,,,._..,.,.l._. _._- .... .... _ ........... _"_ -_-_i -:_'_ .......... :_:_":*: " '; -_':'_'_" :-'7" _-'_" ".... -T _,._'_,'*_]_7_7'_[_',,_._'.._'_]_T_':" !_._'_._?- _'_ =_"'_"- ........................................................... ........ . .... , ....... . _,_._]._-_._:_. ._,._,:_, , ....... .. ..... '. !-.:. :_:_=.ii.;_,,,,.,..,.:.. Table 3 Individual Anatomic Pathology Data EXTENDED RECOVERY STUDY FOLLOWING A 26-WEEK CAPSULE TOXICITY STUDY WITH PERFLUOROOCTANE SULFONIC ACID POTASSIUM SALT (PFOS;T-6295) IN CYNOMOLGUS MONKEYS .................................................................................................................................... Covance 6329-268 PAGE : 5 ANIMAL NUMBER: I05539 SEX; FEMALE DATE OF DEATH: 03/09/01 STUDY DAY OF DATE AND TIME OF NECROPSY: 03/09/01 8:50 POST-FIX WEIGHER: NOT AVAILABLE DOSE GROUP: 1 SACRIFICE DEATH: 367 STUDY WEEK OF DEATH: PROSECTOR: JOHN S. HALFORD PATHOLOGIST: AS ASSIGNED STATUS: 53 SCHEDULED, TERMINAL SACRIFICE TERMINAL BODY WEIGHT: 4530.0 GRAMS RECORDER: TROY CHRISTOFFERSON WEIGHER: TROY CHRISTOFFERSON * * * LAST INLIFE OBSERVATIONS CATEGORY KEYWORD QUALIFIER / FREE-TEXT .......................................................................................................................... * * COMMENT NORMAL NO REMARKABLE OBSERVATIONS .................................................................................................................................... ** * GROSS PATHOLOGY OBSERVATIONS ** ORGAN NAME SEVERITY, KEYWORD(S) OR PHRASE FREE-TEXT COMMENTS AND NOTES GENERAL COMMENT {GC) .............. ......... o o ..... -NO MACROSCOPIC LESIONS .................................................................................................................................... o o, ., o ,o . 0 , o ., , _',,_. ,, -22- II IilI|:1' _.',...'_'...Jl_.............. ........_...-._.'.l.li.iI....1.".1..1.1..1.1.1..1.1YI : .... iI'll|'lillin .....-......_..'.=..=...'._.. ":_.."..h:...i..l...=.....'.....-..-."."..=.-.'._.'._...:_..'"..-._.:.".".'".'._.".._..<._..-'.".".t_.;.'",_:_i'_ _ . .:.. --,,:-_<._:,:._-_._t,_-,;:_:-i,;:,_' _ ........... _ :._:_::_:__":__............... '. "_ .."._.".............. ' = " C0_n_:_f_%9'_65 ........ . ....:'_ v_:.';._,-'.,,."'.,._:_..-,:,._,._: _. _:.,.._,',_:_'::.;_:';.__,.,,_,_ _,_'.,_:._.r._,,'_.__ :::_' ,- : .' .': .... _..... ..: _.t_-.'_.,..___,':_i_..4:._' _...... :? _;.;. _'_._,_:_;.]._I._,.. _,'b'._,'y".: ..:'L?,"- ', " :[ ,, , Covance 6329-268 Table 3 Indivldual Anatomic Pathology Da_a STUDY WITH PERFLUOROOCTANE IN CYNOMOLGUS MONKEYS EXTENDED RECOVERY STUDY FOLLOWING A 26-WEEK CAPSULE TOXICITY SULFONIC ACID POTASSIUM SALT (PFOS_T-6295) PAGE : 4 ANIMAL NUMBER: I05552 SEX: FEMALE DOSE GROUP: 1 SACRIFICE STATUS: DATE OF DEATH: 03/09/01 STUDY DAY OF DEATH: 367 STUDY WEEK OF DEATH: 53 DATE AND TIME OF NECROPSY= 03/09/01 POST-FI_ WEIGHER: NOT AVAILABLE 8:48 FROSECTOR: JOHN S. HALFORD PATHOLOGIST: AS ASSIGNED .................................................................................................................................... SCHEDULED, TERMINAL SACRIFICE TERMINAL BODY WEIGHT: 2985.0 GRAMS RECORDER: TROY CHRISTOFFERSON WEIGHER: TROY CHRISTOFFERSON * * LAST INL I FE OBSERVATIONS CATEGORY KEYWORD QUALIFIER / FREE-TEXT .......................................................................................................................... *** COMMENT NORMAL NO REMARKABLE OBSERVATIONS .................................................................................................................................... * * GROSS PATHOLOGY OBSERVATIONS ORGAN NAME SEVERITY, KEYWORD(S) OR PHRASE FREE-TEXT COMMENTS ............................................................................................................................. AND NOTES * ** GENERAL COMMENT (GC) .... . , , . . . . . . o ...... , , .... -NO MACROSCOPIC LESIONS .................................................................................................................................... o , o , , . . ..... , , __1rjiI .-,-4!?: : - 23- i