AR <AA6 - 06US~ NOTE TO FILE DATE: September 29, 2000 FROM: Karen Lannon SUBJECT: PFOS Substitutes - Carpet Treatment A meeting was held from 1:00 pm to 2:00 pm on September 15, 2000 to discuss PFOS alternatives for carpet treatment.

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ftp. a & e - t i t # Protein Binding of Perfluorohexane Sulfonate, Perfluorooctane Sulfonate and Perfluorooctanoate to Plasma (Human, R at, and Monkey), and Various Human-Derived Plasma Protein Fractions STUDY ID: 9921.7 Southern Research Institute 2000 Ninth Avenue South P.O.

PFOS: A REPRODUCTION STUDY WITH THE MALLARD FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

AR226-2104 Test R esults Sam ple Date R ange Concentration Range A ction Level Industrial Hygiene mm 12/31/77 100% Sam ple D t Sam ple# D uration Type Em ployee Name B T O : 08 TEFLON L O C : 701 FINE PO W D ER D RYER-EAST SIDE #2 2/3/77 62672 Z Pers Chem ical C-8 B TO ; 08 TEFLON L O C : 702 FINE PO W D ER D RYER CO NTRO L ROOM (ALSO S E E TTF031 2/3777 57138 Z C-8 B TO : 08 TEFLON L O C : 703 FINE PO W D ER PACKO U T ROOM 213/77 49590 Z C-8 B TO : 08 TEFLON L O C : 704 A/S - FINE PO W D ER C-8 W EIGH HOOD 2/3/77 51160 Z C-8 Cone Unit Percent <0.1 PPM 0.0% <0.1 PPM 0.0% 0 .1 PPM 0.0% <0.1 PPM 0.0% AJP04114 Tuesday, January 16,2001 12:48:12 PM Page 1 of 1 EID 11 324 9

AR226-2322 ^ Charles J Zarzecki 04/03/2003 09:31 AM To: Catherine A Barton/AE/DuPont co: Subject: Re: Beychok A rticle Q C a th ie , First, by "Monday's m eeting", I assume you mean A pril 14?

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Katherine E.

INTERIM REPORT #26 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE January 9, 2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

3M tipp. 3M Center St.

2 8^ & ~ iy P-1 (nfL& 3IZ/0l June 4,2008 fND1o0eur9wPH0aoernEaktll,ktHhtDoaaEnsnkRd1el9olEa7Gnd1v,4loi-Prb0o.a0Onl5m.0CBeenontxtael5r0sSciences Via Federal Express Document Processing Center (Mail Code 7407M) Room 6428 Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics U.S.

Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 18 0 0 / Cincinnati, OH 45202-3957 / Tel: 51 3.38 1.28 38 / Fax: 51 3.38 1.02 05/ www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing Robert A.

Larry R.

2/10/2017 Chemical Contaminants > Dioxin Analysis Results/Exposure Estimates Dioxin Analysis Results/Exposure Estimates March 2004; Updated November 2007 Introduction Dioxin and chemically-related compounds (referred to collectively as dioxin-like compounds or DLCs) are a group of environmental contaminants found throughout the world.