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X/TPi P 11 I 000272 /M W * - EXPOSURE ASSESSMENT PROTOCOL W ork R eq u est N o.: 15076 S ervice C o d e N o.: 1361 P erfo rm in g In s titu tio n : Haskell Laboratory for H ealth and Environm ental Sciences Study T itle : E xp o su re A ssessm en t o f M easu red S erum P erflu o rin ated O ctan o ic A cid A n ion in th e M a n u fa c tu re o f A m m onium P erflu o ro o ctan o a te (A P FO ) a t F a ye ttev ille , NC S tu d y D irecto r: Joseph F.

15) OECD 2 1 1-OPPTS 850.1350, Chronic toxicity test (daphnia magna), 454A -130 PFBS: A SEMI-STATIC LIFE-CYCLE TOXICITY TEST WITH THE CLADOCERAN (Daphnia magna) ;T - f/nss C 2 / > o f/rs iss.

'p QC Laboratories' Analytical Report PETER TYRRELL UNITED HATER CITY OF ORANGE CHESTNUT STREET PLANT AT 632 BEACH STREET ORANGE, NJ 07050 Account No: C00927, UNITED HATER CITY OF ORANGE Project No: C009Z7, UNITED HATER CITY OF ORANGE Sample Nunber L2604751-1 Sample Description CHESTNUT ST Received Temp: 36 F Iced (Y/N): Y Parameter PFOA Method Sample Number L2604751-2 Sample Description ORANGE PARK Received Temp: 36 F Iced (Y/N): Y Parameter PFOA Method Sample Number Sample Description L2604751-3 GIST PLACE Regarding: PETER TYRRELL UNITED HATER CITY OF ORANGE CHESTNUT STREET PLANT AT 632 BEACH STREET ORANGE, NJ 07050 P.O.

3M Environmental Laboratory ARIU-coSH Exact Copy o f Original T ** &W\is l i n O Initial Date Method v y -2 - Determination of Perfluorooctane sulfonate (PFOS), Perfluorooctane SULFONYLAMIDE (PFOSA), AND PERFLUOROOCTANOATE (POAA) IN WATER BY LlQUIDSolid Extraction and High-Performance Liquid Chromatography/Tandem Mass Spectrometry (HPLC/MS/MS) Method Number: ETS-8-154.0 Adoption Date: & H j z i ) l x > o Q Author: Kristen J.

HAZLETON LABORATORIES AMERICA, INC.

BACK TO MAIN Type Test ENVIRONMENTAL LABORATORY AQUATIC TOXICITY DATA SHEET EXPLORATORY (RANGE-FINDING TEST) Material T ested lr_ 0 4 A 4 cvW Test Organism>^7y/^; /^/A/A^lSo.

3M Environmental Laboratory AR 1*26-0026 G) M ethod Extraction of Potassium Perfluorooctanesulfonate or other Fluorochemical Compounds from Liver for Analysis using HPLC - Electrospray/M ass Spectrometry Method Number: ETS-8-6.0 Author: Lisa Clemen, Robert Wynne Approved By: Laboratory Manager tGroup Leader --------- - a Technical Reviewer Adoption Date: o j l i h U x Revision Date: ~y ^ h < i Date Date Oilmh Date 1.0 Scope and Application 1.1 Scope: This method is for the extraction of potassium perfluorooctanesulfonate (PFOS) or other fluorochemical compounds from liver. 1.2 Applicable Compounds: Fluorochemical surfactants or other fluorinated compounds. 1.3 Matrices: Rabbit, rat, bovine, and monkey livers or other tissues as designated in the validation report.

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AR226-2431 INTEROFFICE MEMORANDUM Datei Fron; Deptr Tel No; 05-AUQ-193 08:30aW EDT Roger J- Zipfel ZIPFEL PPD-SPD 304-863-2567 TO: 2 addressees CC: 5. addressees Subject: C-8 in site drinking water The attached communication puts some perspective on the recent results of C-8 in our site's drinking water.

AR226-2452 ORGANICS A H A LSIS DATA SHEET jjbratory Haine: CH2M HILT.

AR226-2531 TO: B.

AR226-2602 Ubel6.Laurence@epamaa.epa.gov on 12/01/200311:11:00 AM To: cc: AAnnddrreewaVSMHaaJrttnteonw/AsWE//ADEuP/DounPtonDtuPDounPtont, DavidMRurak/AE/DuPont@DuPont Subject: DomWak.Mary0epamall.epa.gov ' Hi Andrew, I hope you had a good Thanksgiving.

AR226-2881 Copies S- I. du Pont de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine Elkton Road, Newark, Delaware 19711 ORAL LD50 TEST IN RATS lO^oun^adult'ch'R-CD^ale 2 S E * * * * " * intubation in single doses to 5 level for the U>50 study*.

FOR D PONT USE ONLY AR226-2891 Copies Co E.