Old PTFE membrane Projects list Region Project Japan USA Europe Other Tokyo Dome Intex Osaka Nagai athletics Field University of La Verne Asheboro Zoo Walden Galleria mall Tropicana Field Denver International Airport Schlumberger Cambridge Research Center UK O2 ArenaUK Rome Olympic StadiumItaly The Hajj TerminalSaudi Arabia Completion year (years) 198835years 198538years 199627years 197350years 198340years 198835years 198934years 199430years 198439years 199825years 199033years 198142years

LIFE SAFETY DISTRIBUTION GmbH Z.A.

The data below is taken from two Flowserve publications, (i) Guide to the Selection of Corrosion Resisting Alloys and (ii) Guide to the Selection of Corrosion Resisting Non-Metallics.

Teflon can't stand the heat...

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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.

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.

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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Annex A - Table A.49.

Content project plan work packages Next meeting: WP leader to provide draft project plan 1.