My company is a specialty wire manufacturer locates in China.

BACK TO MAIN CEntrE Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814)231-8032 Fax: (814)231-1253or (814)231-1580 Analytical Report Fluorochemical Characterization of Sediment, POTW Sludge, and Landfill Leachate Samples Port St.

TC RESEARCH TOXICOLOGY CENTRE - ROMA IIIMIM7850 BACTERIAL MUTATION ASSAY (S. typhimurium and E. cola) FINAL REPORT RTC Study no.: 52400 Sponsor: SOLVAY SOLEXIS S.p.A.

Table 1 The differences of behavior between PVDF piezo and piezo ceramicc Property direction** Unit PVDFpiezofilm* behavior Tensile Modulus MD GPa TD GPa 3.0-3.2 2.8-3.0 >flexibility> Tensile Strength MD MPa 500-600 >stiffness> TD MPa 45-55 stiffness Elongation MD % (at Break) 20-30 >toughness TD % (at Yield) 5-7 & flexibility> Pb(Zr,Ti)O3 51.4 54.6 0.08 uni-stretched polarized PVDF film MD: parallel to stretched directionTD: perpendicular to stretched direction

1 market segments chemical industry pharma-food-medical industry process industry metallurgical industry mechanical industry Result 2 3 Prelon Dichtsystem GmbH turnover profit no of employees [million-] - - 0.55 no data 2.5 0.45 no data 2.5 0.6 no data 3 0.1 no data 0.5 0.3 no data 1.5 2 10 machine manufacturer turnover [million-] 28 23 30 5 13 98 value of output / value of Machine per anno 500 value of sold machine /value of seals 500 Lifetime machine years 20 exchange of seals during lifetime years 2 turnover factor 50 3 machine manufacturer profit no of employees - - no data 125 no data 125 no data 150 no data 25 no data 75 500 4 production of food / metals / pharma...

E :., El0871402 Al 42 43 44 EfD871403 45 SarPbamsi pBaCoalmmlaretts vas codandtnd 1 psn.

AR226-2059 - J-^AT^ <S-iOj-y C-?

AR226-2096 r ^ ,Sample Date Range Concentration Range Aettoii Level Industrial Efygiene 1/106 laaise 100% Sample Dt Sample f Duration type Employee Name BTO: 09 TEFLON@ UW: 113 PIS- SHIFT MECHANIC (5BMO) 1/1QB6 22569 330 P 8136136 24210 360 P Pen.

AR226-2408 INTEROFFICE MEMORANDUM Date: From; Depts Tel No: TO; William E.

AR226-2586 S-II^G^ ^A l!

AR226-2602 Ubet6.Laurence9epamafl.epa.sDV on 12/01/200311:11:06 AM To: ce: Subject: Andrew 8 Hartten/AE/DuPonte DuPont Andrea V MaJInowskVAE/DuPontQ DuPont, David M Ruah/AE/DuPont@DuPont, Fehrenbach6r.CaBTyftepamaB.epa.gov, DomInlak.Maiy8epamall.epa.gw Rw infomiaBon Request Hi.

PFAS-begrnsningar p gng i Reach PFHxA Frslag frn kommissionen diskuteras med medlemsstaterna i freskrivande kommittn.

FOR DU FONT USE ONLY AR226-2902 Copies Co E.

AR226-2912 -y^-f '"'"^^S^^S?

AR226 - 3257 439 TRADE SECRET AR2RG 3257 Dupont 11408 Study Title H-25434: Static, Acute, 96-Hour Screening Test to Pimephales promelas Laboratory Project ID: DuPont-11408 AurHoR: Laurie D.