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hintergrund Fluorchemikalien: Langlebig, gefhrlich, vermeidbar Inhaltsverzeichnis Zusammenfassung 3 Abstract 4 Empfehlungen und Forderungen des BUND 5 Erluterung und Begrndung der Empfehlungen und Forderungen 8 1.

Information of PFAS and PFAS present in mixtures and articles Identity and quantity Please fill in the following table in the columns relevant to you with the respective information concerning your PFAS/prec Please assign quantities individually to each PFAS and PFAS in mixtures and/or articles.

Application Number: E2.15 Petroleum Fluororesin used: PTFE (CAS No. 9002-84-0) Product Overview: Sealing materials (screws, piping, etc.)

ANALYTICALREPORT Cc=ntrc=Analytical @*Nk ailL6a.boratoriFs, Inc. 3048ResearchDrive,StateCollegePA 16801- 814-231-8032 FAX 814-231-1253 AnalyticRaelsultWs2336 Columbus,GA 3M Sample Identification Sample Description PFOS (ng[L) MC-501 H MC-503H MC-506H NA MC-507H NA MC-508H MC-584H NA Site1 P/N SurfaceWater 63.8 SiteI P/N SurfaceWater Duplicate 59.9 Site2 P/N SurfaceWater 76.6 Site2 PIN SurfaceWater Duplicate 83.3 Site3 P/N SurfaceWater 55.4 Site3 P/N SurfaceWater Duplicate 55.4 FieldBlank-P/N Empty < 25 QuietSurfaceWater < 25 Quiet SurfaceWater Duplicate < 25 i - Compound ispresent,but below thereportinglimiotf 25 ng/L.

7fR&q6- 36-C Document Processing Center (7407) Office of Pollution, Prevention and Toxics U.S.

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35) Discussion of the hydrolysis of PFBS SANITIZED ..+ DEC 0 9 2003 Discussion of the Rate of Hydrolysis Perfluorobutane Sulfonate 1 'j3M Environmental Laboratory, St Paul, MN, 7/22/02 Based on hydrolysis studies of perfluorooctanesulfonate (PFOS) and the mechanism of hydrolytic decomposition of sulfonates, it is a reasonable proposition that/-k'FBqis as resistant to hydrolysis as PFOS.

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To ECHA: Our company supports the objecfive of avoiding emissions of hazardous substances into the environment and an appropriate regulafion of uncontrollable risks posed by individual substances.

Can I upload the data to the S-CIRCABC universal PFAS restriction SID-folder or do you prefer another place?

b a u a : Bundesanstalt fr Arbeitsschutz und Arbeitsmedizin (BAuA) Bundesstelle fr Chemikalien Chemikalienbewertung und Risikomanagement Federal Institute for Occupational Safety and Health Federal Office for Chemicals Evaluation of Chemicals and Risk Assessment Friedrich-Henkel-Weg 1 - 25 D - 44149 Dortmund, Germany phone: fax: e-mail: 2

CECHA EUROPEAN CHEMICALS AGENCY ANNEX XV RESTRICTION REPORT PROPOSAL FOR A RESTRICTION SUBSTANCE NAME(S): PFAS IUPAC NAME(S): n.a.

Eidgenssisches Departement fr Umwelt, Verkehr, Energie und Kommunikation UVEK Bundesamt fr Umwelt BAFU Abteilung Hydrologie Nationale Grundwasserbeobachtung NAQUA Pilotstudie PFAS Miriam Reinhardt, Sekt.