AR226-2707 29 AR226-2707 American Society of Mass Spectrometry (ASMS) Summary of DuPont Presentations ASMS Annual Meeting, 2004 Quantitative Determination of Extractable PFOA in Textiles and Carpets by LC/MS/MS Michael P.

Harnessing energy from chemicals production: introducing HFOs as a Green Deal enabler Bart Van Assche Vice President Global Infrastructure Technology OUR PATH TO REDUCE BASF EMISSIONS 2018-2050 BASF greenhouse gas emissions (Scope 1+2) million mt CO2/a > 45% ~ 75% -25% ~ 60% 22 16 Growth NET ZERO 100% 1990 2018 2030 Business as is 2018 2030 2050 OUR CARBON MANAGEMENT PROGRAM TO REDUCE CO2 EMISSIONS BASF GREENHOUSE GAS EMISSIONS 2018 (SCOPE 1+2) Million metric tons of CO2 equivalents 1 Includes emissions from process energy 2 Operational excellence measures GREY-TOGREEN BIO-BASED FEEDSTOCKS POWER-TO-STEAM NEW TECHNOLOGIES CONTINUOUS OPEX2 OUR CARBON MANAGEMENT PROGRAM TO REDUCE CO2 EMISSIONS BASF GREENHOUSE GAS EMISSIONS 2018 (SCOPE 1+2) Million metric tons of CO2 equivalents 1 Includes emissions from process energy 2 Operational excellence measures GREY-TOGREEN BIO-BASED FEEDSTOCKS POWER-TO-STEAM NEW TECHNOLOGIES CONTINUOUS OPEX2 STEAM PROVIDES MOST EFFICIENTLY HEAT FOR OUR PRODUCTION PROCESSES STATUS TODAY: Steam generation by combustion of natural gas in highly efficient combined cycle power plants.

AR226-2896 E.

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AR226-3112 Humingdon ABIOTIC DEGRADATION: HYDROLYSIS AS A FUNCTION OF pH (PRELIMINARY TEST) Sponsor DuPont Specialty Chemicals Jackson Laboratory Chambers Works Deepwater NJ 08023 USA Research Laboratory Huntingdon Life Sciences Ltd Eye Suffolk IP237PX ENGLAND Draft: 23 December 1998 Final: 2 February 1999 Bffi'Bpas'iSlyanHteed.

AR AR6- 3233 405 _-- - TRADE SECRET Study Title H9-02-47D6a8y:GaSvuabgcehrSotnuidcyTionxRiactisty with One-Generation Reproduction Evaluations Volume 5 of 5 Laboratory Project ID: DuPont-5990 HRaze - 2225 oDwupoe5s590 TEST GUIDELINES: OU.PS.PTESP8A70He.a3l1t0h0E(f1f9e9c8t)s Test Guidelines AUTHOR: Susan A.

Heat Exchangers SCO with silicon carbide tubes, glass lined For over 130 years, Pfaudler is the leader in developing new technologies to meet the highly specific chemical processing needs of its clients.

Fr AR226-3267 ~~ `DuPonstodHaEsvkeilrloLnambeonrattaorSyeefnorceHesalth AR226-3267 March 6, 2003 wl) To sxrsufmagrocie nases FROM. 1.C.Muska ANCE STAB : ~~ Medical Resere rec Number: [mm] HHaasskkeellllSRaemfperleencNeumSbteanrdsard Number 22554025 AAnnaallyyttiiccaallRTeepsotrCtodNeo:raber CuHA20y03.032 Notebook References: [mm] FApotertrafccothrvemdedpius1rtphosseaesn.aylytpircoatlocroelposretqfuoiretmheensttsudfyodoesnttisfuibsdtaabnocvees,abTlhiityabnaultymsiasywaalssobe" used .

7 RBIROMIT 3. 7 RBEOMHK 7 RMEORN LIEN, 7 REFOLORE BIZAF-CIBLOTINE, RROZUOELY PERT RBFCRVBEATUJOASKPTYFE PRE ERATD OSU ERUAE TT, F470 PFA.

FLUOROPOLYMER RESOURCES LLC SUSTAINABLE FLUOROPOLYMER SOLUTIONS INFORMATION HEREIN IS PRESENTED IS THE EXCLUSIVE PROPERTY OF FLUOROPOLYMER RESOURCES LLC 1 SUSTAINABLE PFA SOLUTION Heat Exchanger Tubing from fossil fuel power plants 50 to 100 heat exchangers per plant 50,000 meters PFA tubing/3,600 kgs per unit Application is 90,000 hours at 235C with exposure to harsh chemicals INFORMATION HEREIN IS PRESENTED IS THE EXCLUSIVE PROPERTY OF FLUOROPOLYMER RESOURCES LLC 2 INFORMATION HEREIN IS PRESENTED IS THE EXCLUSIVE PROPERTY OF FLUOROPOLYMER RESOURCES LLC 3 SUSTAINABLE PFA SOLUTION When the gap between tubes in a heat exchanger becomes filled with fly ash the unit is removed from the power plant INFORMATION HEREIN IS PRESENTED IS THE EXCLUSIVE PROPERTY OF FLUOROPOLYMER RESOURCES LLC 4 SUSTAINABLE PFA SOLUTION The PFA tubing is extracted from the fly ash INFORMATION HEREIN IS PRESENTED IS THE EXCLUSIVE PROPERTY OF FLUOROPOLYMER RESOURCES LLC 5 SUSTAINABLE PFA SOLUTION FRL cleans and reconstitutes the PFA using our unique and proprietary process ART A dvanced R estructuring T echnology returning the contaminated PFA to clean pellets that are used to manufacture new industrial products.

Onderzoek naar de aanwezigheid van PFOA in de gemeente Molenlanden, Fase 4 Onderzoek naar de concentraties PFOA in de grond, grondwater en irrigatiewater in de gemeente Molenlanden Onderzoek naar de aanwezigheid van PFOA in de gemeente Molenlanden, Fase 4 Colofon Opdrachtgevers: Opgesteld door: Auteurs: Kenmerk: Versie: Gemeente Molenlanden Expertisecentrum PFAS Elisabeth van Bentum, Hans Slenders 083989033 B (C05044.000325.0100) 3-10-2019 1 Onderzoek naar de aanwezigheid van PFOA in de gemeente Molenlanden, Fase 4 Inhoud 1 Publiekssamenvatting ................................................................................................................................. 4 2 Inleiding.............................................................................................................................................................7 2.1 Aanleiding ......................................................................................................................................................................................... 7 2.2 Doel en aanpak ............................................................................................................................................................................. 8 2.3 Werkzaamheden .......................................................................................................................................................................... 9 2.4 Leeswijzer......................................................................................................................................................................................... 9 3 Achtergrond ...................................................................................................................................................10 3.1 PFOA...................................................................................................................................................................................................11 3.2 GenX (HFPO-DA of FRD902/903)...................................................................................................................................11 3.3 PFOA en GenX in grond en grondwater in de gemeente Molenlanden ................................................12 4 Opzet en uitvoering van het onderzoek ............................................................................................13 4.1 Opzet onderzoek........................................................................................................................................................................13 4.2 Aanvullend historisch onderzoek....................................................................................................................................14 4.3 Locatie-inspectie volkstuincomplexen.........................................................................................................................15 4.4 Uitvoering Veldwerk ................................................................................................................................................................16 4.4.1 Volkstuincomplexen 17 4.4.2 Weilanden 17 4.5 Uitvoering laboratoriumonderzoek................................................................................................................................19 5 Toetsingskader .............................................................................................................................................20 5.1 Grond.................................................................................................................................................................................................20 5.1.1 Risicogrenzen voor PFOS, PFOA en GenX 20 5.1.2 Toepassingsnormen tijdelijke handelingskader PFAS 22 5.1.3 Bodemtypecorrectie 23 5.2 Grondwater en irrigatiewater............................................................................................................................................23 5.2.1 Risicogrenswaarden in grondwater en irrigatiewater 23 5.2.2 Oppervlaktewater 24 6 Resultaten en interpretatie .....................................................................................................................25 6.1 Veldwaarnemingen...................................................................................................................................................................25 2 Onderzoek naar de aanwezigheid van PFOA in de gemeente Molenlanden, Fase 4 6.2 Laboratoriumonderzoek en toetsing analyseresultaten Fase 4.................................................................26 6.2.1 Volkstuincomplexen 27 6.2.2 Weilanden 29 6.3 Evaluatie resultaten.................................................................................................................................................................31 6.3.1 Gebiedsdekkendbeeld 31 6.3.2 Verschil weilanden en wegberm 31 6.3.3 Volkstuincomplexen 32 6.3.4 Weilanden 33 6.3.5 NVWA onderzoek 34 6.3.6 Relatie afstand tot Chemours 34 6.4 Vergelijking met vorige onderzoeken..........................................................................................................................35 7 Conclusies en aanbevelingen .................................................................................................................37 7.1 Conclusies ..........................................................................................................................................................................................37 7.2 Aanbevelingen..................................................................................................................................................................................39 8 Literatuurlijst.................................................................................................................................................40 9 Afkortingen- en begrippenlijst ..............................................................................................................41 Bijlage A Kaarten.............................................................................................................................................43 Bijlage B Boorstaten ......................................................................................................................................44 Bijlage C Analysecertificaten grond en water....................................................................................45 Bijlage D Resultaten en toetsing ..............................................................................................................46 Bijlage E Verklaring van onafhankelijkheid ........................................................................................47 3 Onderzoek naar de aanwezigheid van PFOA in de gemeente Molenlanden, Fase 4 1 Publiekssamenvatting Aanleiding Tijdens een onderzoek in 2018 naar mogelijke depositie via de lucht van PFOA (perfluoroctaanzuur) en GenX in de omgeving van de fabriek van Chemours (voorheen Dupont) te Dordrecht zijn verhoogde PFOA concentraties aangetroffen in het grondwater en in de bovengrond in de gemeente Molenlanden.

I I PFOS: A 96-Hour StaticAcute ToxicityTest with the Freshwater Mussel (Unio complamatus) I ACUTE TOXICITY TO AQUATIC INVERTEBRATES MUSSEL) (FRESHWATER TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredtoas PFOS or FC-95. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks: The testsubstance isa whitepowder.

Article Name of Nr. name / the PFAS description substance 1 Braid FEP 2 Bearing not disclosed further by supplier Frinction PTFE- 3 Fluor- lining polymer Used in 4 Galden soldering Function of the PFAS Is there a known PFAS-free alternative?

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Final BiologicalPhase Report Metal-)oli.