NOTICE: The information provided to the agency contains information that 3M voluntarily has submitted as part of our continuing discussions with the EPA regarding fluorochemistry.

$X )ltrO % t Analytical Laboratory RepSotrutdoyn PTritelseence and Concentration of Potassium Perfluorooctanesulfonate in Serum and Liver of Sprague-Dawley Rats Exposed to PFOS via Gavage REPORT AMENDMENT NO. 1 Am1e9nAdpmrieln2t00D0ate: Performing Laboratory 3M Environmental Technology & Safety Services 3M Environmental Laboratory 935 Bush Avenue St.

Arasi& _ u s i TSCA NCIC Notification Form for CBI Documents Docket Number: fl-R ________________ Document Control Number: g j> t( Document Date: Document Type: W - ?

Ar AA6 - S S f TSCA NCIC Notification Form for CBI Documents RECEIVED Docket Number: fi B _________________ Document Control Number: OOGOQ / Document Date: g% _________________ Document Type: kocfr F ___________________ ~o 50 I CD --O Fo JT CD The document referenced above is claimed as confidential business information (CBI) under Section 14 of the Toxic Substances Control A ct (TSCA).

Ms&AG - iZICf Overview o f the Mechanics o f Film Formation o f AFFF Aqueous film-forming foam (AFFF) generally contains mixtures of hydrocarbon and fluorocarbon surfactants as the major surface-active components.

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s t a t i c . s c o t s sc-k o o k s c u m s t s s t 09 0-21095 t o raantfts waits, n w r t w l t o remits PURPOSE: This is a rangefinding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.