DEVELOPMENT OF RESTRICTION PROPOSAL FOR PFAS Data collection as requested by the consultant Wood preparing the assessment on the use of PFAS for Norwegian Environmental Agency Upstream oil and gas sector Disclaimer: The information in this report is based on the data from only few IOGP member companies, and therefore, do not represent the usage of the below substances in the entire upstream oil and gas sector in Europe.

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Verksamhetsledare Svenskt Vxtskydd Besksadress: Storgatan 19, Nringslivets Hus Postadress: Box 5501, 114 85 Stockholm Mobil: www.svensktvaxtskydd.se Hr kan ni lsa vr GDPR policy 2

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ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BACK TO COMPOUNDS STUDY TITLE Photolysis Executive Sum m ary Screening Studies on the A queous Photolytic Degradation of P erfluorooctanoic Acid (PFOA) Indirect Photolysis of G aseous Perfluorooctanesulfonyl Fluoride (POSF) by Fourier Transform Infrared (FTIR) Spectroscopy Screening Studies on the A queous Photolytic Degradation of Potassium P erfuorooctane Sulfonate (PFO S) Screening Studies on the A queous Photolytic Degradation of 2(N -E thylperfluoroctanesulfonam ido)-ethyl alcohol (N-EtFO SE A lc o h o l) COMPOUND LABORATORY REPORT NUMBER SUMMARIES PFOA POSF PFOS N-EtFO SE A lcohol E00-2192 E 0 1 -0 7 3 9 W 2775 W 2783 Robust Sum m ary Robust Sum m ary Robust Sum m ary Robust Sum m ary

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M -13^ 3MStrategic Toxicology Laboratory Study Title: Acute InhalaFtilounorLidiem(iPt OToSxFi)ciTty-7S0t9u8d.3y of Perfluoroctanesulfonvl TLIInnea--sbLLtoiiNffreeautIoCmnroyibtmeiParptri(looesjatneimcoDtnpaIlDdteee)a::nteti:ficati55oT//n11-:7/420/02900810S.31T6(P4erfluoroctanesulfonyl Fluoride (POSF) Research Client: 33SMMainSCt pePenactueilar,lBtMyuNMilda5it5ne1gr3ia23l3-s63D22iv0ision Testing Laboratory: 33SMMainSCt tePrnaattueelgr,iBMcuTNilod5xi5inc1go3l23o7-g30y2-S2L0Bab-lo8r1atory v Study Director: AT33SMMaonixdniCMrtceeoPwenladotuiMegclr,ia.sBMltSDuSeNiaepldcpe5aiac5ntri,1agtml3Pi23hse2t-.nD30t2-/.2T2Eo0-x0ic2ology Services .

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AR226-2239 Phase Diagram of C-8 The phase diagram below shows the solid and vapor phases of C-8 as a function of temperature and pressure.