recycled N> CO AR226-2640 AR226-2640 Shimizu Works Groundwater Sampling Results Aug. 5-7, 2002 Scope of Work Summary Sampling Points - 8 operating pumping wells (other shallow wells at site were dry) - site WWTP effluent going to public trench (Well 9) - surface water trench outside site along access road (Well 10) Analytical Program - FC-143 (by Eygen Labs) - Priority Pollutant VOCs/SVOCs/Metals WELL 10 ( M SHIMIZU WORKS LAYOUT WEWLLaste5 P 1.7) South Gate [j (697) West Gate 20m depth WELL 1(1200) 10m depth 4m depth SHIMIZU WORKS GROUNDWATER SAMPLING-AUG. 5-7,2002 ANALYTICAL RESULTS SUMMARY (IN UG/L) ----- ------- ------------ - S a m p le lD I ... ....

RECYCLED O) o> AR226-2676 PROJECT ANNUAL C 8 SAMPLING 1991 ANNUAL C8 SAMPLING 1991 ANNUAL C8 SAMPLING 1991 ANNUAL C8 SAMPLING 1991 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1994 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 SRCNAME LOWER POND LOWER POND UPPER POND UPPER POND LM W -2A L M W -2A L M W -5B LM W -5B LOWER POND LOWER POND STREAM MN RD STREAM MN RD UPPER POND LMW-1 LM W -2A L M W -5B LM W -7 L M W -8 LOWER POND R T 33 STREAM TRIP BLANKS UPPER POND LMW-1 LM W -2A L M W -6 LM W -7 LM W -8 LOWER POND TRIP BLANKS UPPER POND EQUIPM ENT BLANKS LEACHATE LMW-1 L M W -2A LM W -3A L M W -5B LM W -7 L M W -8 LOWER POND RT 33 STREAM UPPER POND 002(LEACHATE BASIN) FIELD BLANKS LEACHATE LMW-1 C8 results Envista 111104.xls THEME O ther liquid O ther liquid O ther liquid O ther liquid Groundwater Groundwater Groundwater Groundwater O ther liquid O ther liquid O ther liquid O ther liquid O ther liquid Groundwater Groundwater Groundwater Groundwater Groundwater O ther liquid O ther liquid Blank W ater O ther liquid Groundwater Groundwater Groundwater Groundwater Groundwater O ther liquid Blank W ater O ther liquid Blank W ater O ther liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater O ther liquid Surface W ater O ther liquid O ther liquid Blank W ater O ther liquid Groundwater DATESMPL SMPLT 11/22/1991 FS 12/27/1991 FS 11/22/1991 FS 12/27/1991 FS 3/15/1994 FS 9/20/1994 FS 3/15/1994 FS 9/20/1994 FS 3/15/1994 FS 9/20/1994 FS 3/15/1994 FS 9/20/1994 FS 3/15/1994 FS 7/23/1997 FS 7/23/1997 FS 7/23/1997 FS 7/23/1997 FS 7/23/1997 FS 7/23/1997 FS 7/23/1997 FS 7/23/1997 TB 7/23/1997 FS 5/28/1998 FS 5/28/1998 FS 5/28/1998 FS 5/28/1998 FS 5/28/1998 FS 5/28/1998 FS 5/28/1998 TB 5/28/1998 FS 7/19/1999 EB 7/20/1999 FS 7/20/1999 FS 7/20/1999 FS 7/19/1999 FS 7/20/1999 FS 7/20/1999 FS 7/20/1999 FS 7/19/1999 FS 7/20/1999 FS 7/19/1999 FS 7/25/2000 FS 7/24/2000 FB 7/25/2000 FS 7/24/2000 FS LTL SAMPLE NUMBER LOWER POND LOWER POND UPPER POND UPPER POND L M W -2A L M W -2A LM W -5B LM W -5B LOWER POND LOWER POND STREAM MN RD STREAM MN RD UPPER POND W W K-LMW -1 W W K-LMW -2A W W K-LMW -5B W W K-LMW -7 W W K-LMW -8 W W K-LOW ERPOND W W K-RT 33 STREAM W W K-TRIP BLANK W W K-UPPERPOND W W K-LT-LM W 1 W W K-LT-LMW 2A W W K-LT-LMW 6 W W K-LT-LMW 7 W W K-LT-LMW 8 W W K-LOW ERPOND TRIP BLANK W W K-UPPERPOND W WK-K-EQBLK W W K-G-LT-LEACHATE W W K-G-LT-MW -1 W W K-G-LT-MW -2A W W K-G-LT-MW -3A W W K-G-LT-MW -5B W W K-G-LT-M W -7 W W K-G-LT-MW -8 W W K-W -LT-LOW ER-POND W W K-W -LT-RT-33-STREAM W W K-W -LT-UPPER-POND LTL -W -002 LTL-K-FBLK-1 LTL-L-LEACHATE LTL-G -LM W -1 Page 1 oeoei!

AR226-2727 LOW LEVEL DETERMINATION OF FC-143 IN WATER October 1991 rH?

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

AR226-3128 DuPont-3268 TRADE SECRET Study Title H-24119: Skin Irritation Test in Rabbits Laboratory Project ID: DuPont-3268 AUTHOR: Carol Finlay, B.A.

AR226-3192 DuPont-6541 TRADE SECRET Study Title H-24951: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-6541 Author: Carol Finlay, B.A.

DuPont Haskell Laboratory for Health and Environmental Sciences TO: FROM: M R FPL!

M a te 441 TRADE SECRET M&M- 3Jf*?

fin R-3(f~lf7 > 000426 C-8 TREND IN BLOOD FEP PROCESS OPERATOR (17) FEP SERVICE OPERATOR (18) RAW DISPERSION PROCESS OPERATOR (18) GRANULAR PROCESS OPERATOR (7 ) FINE POWDER SERVICE OPERATOR (19) MONOMER OPERATOR (31) C-8 IN BLOOD PPM) 1981 1982 1983 1984 1985 1986 1.53 1.48 1.14 1.09 1.09 1.22 0.60 0.59 0,57 0.53 0.53 0.56 7.66 6.67 6.36 6.38 5.96 6.57 3.44 3.12 2.64 2.70 2.38 2.93 2.25 2.07 1.74 1.59 1.37 1.37 1.01 1.02 0.83 0.82 0.81 -- ALL TEFLON * OPERATORS (490) 0.98 0.92 _ MSB mm 00042 * DuPont's registered trademark, for its fluorocarbon resin a \ 003546-566 - 06/09/87 - RJZskst

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3M Environmental Laboratory POOO3268; Interim Report#4 Analytical Report Analysis of PFBS, PFHS, and PFOS from 3M Decatur Offsite 600 Series Wells MPI GLP Protocol Number: P0003268 Interim Report#4 Data Requirement 40 CFR Part 792 Author M ichelle D.