yWi<26_ 06uS PFOS Medical Surveillance/Epi - I 00013 Interim Report #1 Epidemiology, 220-3W-05 Medical Department 3M Company St.

* AR226-2097 Sample Date Range Concentration Range Action Level Industrial Hygiene m1/1 12/31/97 100% ' Sample Dt Sample# Duration Type Employe* Name STO: 07 TECHNICAL LOG: 2S2 BLDG.3 -GENERAL 6/2S/07 6890 390 A Pern Chemical C-8/FC-143 BTO: 08 LOG: 0 TEFLON BLDG. 162ROOF-GENERAL 7/9/97 7137 362 A 7/9/97 7138 362 A 7/21/97 7130 370 A 7/21/97 7219 371 A 7/21/97 7225 368 A 7/22/97 7 1 370 A 7/22/97 7220 374 A 7/22/97 7226 375 A 7/22/97 7232 384 A 7/23/97 7141 396 A 7/23/97 7221 400 A 7/23/97 7227 7123197 7233 374 A 391 A 7/24/97 7142 362 A 7/24/97 7222 7124197 7228 7124/97 7234 361 A 338 A 366 A 7/2397 7223 354 A 7/2397 7229 351 A 7/2397 7235 351 A 7/29/97 7230 376 A 8/397 7224 378 A 8/397 7231 371 A 8/5/97 7236 370 A C-8/FC-143 C-8/FC-143 C-6/FC-143 08/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C45/FC-143 C-8/FC-143 C-8/FC-143 C-8/F-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-B/FC-143 08/FC-143 C-8/FC-143 GSA-0-143 C-8/FC-143 C-8/FC-143 C-B/FC-143 C-8/FC-143 C-8/FC-143 BTO : 08 TEFLON LOC: 048 B-162 OUTSIDE SMOKING AREA - 2ND LEVEL 7/9/97 7143 382 A C-8/FC-143 Tuesday, May23,20001:16:50 PM Cone Unit Percent 0.08 MPB 89% 0.1 MPB 0.13 MPB 0.15 MPB 0.113 MPB 0.26 MPB 0.07 MPB 0.17 MPB 121 MPB 019 MPB 0.11 MPB 0.16 MPB 1.08 MPB 0.51 MPB 0.14 MPB 0.39 MPB 213 MPB 096 MPB 034 MPB 0.69 MPB 2 9 MPB 217 MPB 007 MPB 019 MPB 0.3 MPB 17/9% 23.2% 268% 202% 46.4% 125% 30.4% 2161%" 339% 19.6% 28.6% 192.9%" 91.1% 25/0% 69.6% 380.4% " 171.4% " 60.7% 1232% " 517.9% " 387.5% " 125% 33.9% 53.6% 043 MPB 768% Page 1 of 12 AJPQ00462 E ID 072868 SampleDt Sample# Duration Type Employee Name 7/10197 7144 7/11/97 7145 7/21/97 7146 7/22/97 7147 7/23/97 7148 7/24/97 7149 7/25/97 7150 8/4/97 7151 8/7/97 7152 387 A 370 A 366 A 377 A 390 A 352 A 351 A 354 A 367 A Per Chemical C-6/FC-143 C-8/FC443 ' C-8/FC-143 C-8/FC-143 C-8/PC-143 C-8/FC-143 C-6/FC-143 C-8/FC-143 C-fl/FC-143 BTO : 08 TEFLON PISLOC 100 - MONOMER OPERATOR CONTROL ROOM (08PA/P8/PC) 7/21/97 7207 372 A C-8/FC-143 7/22/97 7208 351 A C-S/FC-143 7/23/97 7209 398 A C-8/FC-143 7/24/97 7210 7/25/97 7211 352 A 355 A C-8/FC-143 C-8/FC-143 7/28/97 7212 3375 A C-8/FC-143 8/4/97 7213 356 A C-8/FC-143 8/5/97 7214 376 A C-8/FC-143 8/7/97 7215 367 A C3/FC-143 8/8/97 7216 307 A C-8/FC-143 8/12/97 7217 458 A C-a/FC-143 8/13/07 7218 335 A C-8/FC-143 BTO: 06 TEFLON LOG: 113 P/S - SHIFT MECHANIC (58MD) 3/13/97 25282 390 P 6/25/97 25793 370 P 10/21/97 26712 360 P 55MD C-8/FC-143 58MD C-8/FC-143 58MD C3/PC-143 BTO: OS TEFLON LQC: 708 P/S - FINE POWDER PACKOUT (08PJ) 6/24/97 25792 360 P 10/6/97 26426 390 P HEADLEY, ANNE MARIE 08PJ C-8/FC-143 08PJ C-8/FC-143 BTO: 06 TEFLON LOG: 710 FP&D AUTOCLAVE CONTROL ROOM 7/9/97 8862 363 A 7/10/97 8863 388 A Tuesday.

AR226-2393 C-8 REDUCTION & CONTROL PROGRAMS STATUS RJZ026555 R.

AR226-2417 SAMPLE r-R SAMPLE SUMMARY: 11/90 TO PRESENT -------- p t 9/i37fir DATE SAMPLED RESULT PPB C-8 STATUS 1.

AR226-2442 BRANDERA AT A1 AT EU0IS2 03/24/97 10:55 AM To: PECKSR AT A1 AT WWPS , ZIPFEL AT A l AT WWPS cc: PIRRONL AT A1 A T EUOIS2 .

AR226-2668 RECYCLED AR226-2668 Particle Size Distribution of PFOA in Ambient Air Data Summary and Analysis May 2004 Prepared for DuPont Fluoroproducts Washington Works 8480 Dupont Road Washington, WV 26181 Prepared By DuET - Reaction Engineering DuET - Environmental Engineering SUMMARY A sampling program was conducted to evaluate the particle size distribution (PSD) of PFOA in ambient air at the Washington Works site.

FOR DU FONT PSR nwrv AR226-2772 Copies to H askell L a b o r a t o r y M e d i c i n e Elkton Road, P. 0 .

*> AR226-2835 Copies to: E.

AR226-2861 > E.

Study Sponsor: issue Date: Docum ent Reference No.: ATOCHEM 30-M av-84 510 TAL AR226-2914 Dermal Irritation Author(s): A.

A R 226-3117 ^ 3 p |||. '.!''"

0004 ("Tii mm AR&S.G- Anthony J Flaylis 08/08/2000 12:36 PM To: Gary W Jepson/AE/DuPont@DuPont co: Robin C Leonard/AE/DuPont@DuPont, RobertF Pinchot/DEV/AE/DuPont@Dl/Pont Subject Pensioner Blood Data Gary, C-8Here are the results for in blood tor all pensioners who were tested in both 1995 and 2000.

Analytical Report Fluorochemical Characterization of Aqueous Samples Decatur Outfall 001 FC Monitoring (E05-0543) Exygen Research Laboratory Report No.

Unit Code 8308 1/14/99 2:54PM UROBILINOGEN, 48-HOUR, FECES General Information FEE: $122.70 LABO RATO RY AREA: Porphyrin.32/HC25 A N A LYTIC TIM E: 1 day D A Y (S ) T E S T SE T UP: Monday through Saturday TIM E O F DAY: Continuously LABORATORY HOURS: M A XIM U M LAB TIM E: 3 days C O M M EN TS A ND O TH ER REJECTION: -C V 6% .

W iS C0 N S PMOASDTI S CO NP r, I WC F1 F-5O3 X7 077 S* 47 5C4 0 FINAL REPORT AR71G-0323 ' VI !