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Waterproof and antifouling agent for leather and silk products Water and oil repellent sprays used for shoes and sandals made of leather or canvas must have not only water repellency but also oil repellency from the standpoint of stain prevention.

Northwest Bioanalytical Study No.

Attachment-3List of properties 1.Plastics Plastic type Formability Physical properties Mechanical properties Thermal properties Electrical properties Other chemical property Formability Compression molding temperature Injection molding temperature Mold shrinkage rate Specific gravity Water absorption rate (24 -3 .18mm thickness ) Tensile strength MPa Elongation Tensile modulus of elasticity MPa Compressive strength MPa Flexural strength MPa Impact strength(Izod/notch)J/m Hardness (Rockwell) Coefficient of thermal expansion 105/ Continuous heat resistance temperature Melting point Deflection temperature under load (1 .81MPa) Volume resistance (50% , RH23) Dielectric breakdown strength Short-time Permittivity 103Hz(106Hz) Arc resistance sec Burning rate mm/min Effects of weak acids Effect of strong acid Effects of weak alkali Effect of strong alkali - D792 D570 D638/651 D638 D638 D638 D638 D638 D785 D696 D2117 D648 D257 D149 D150 D495 D635 D543 D543 D543 D543 Organic solvent resistance D543 Polytetrafluoroethylene PTFE 2 .13 - 2 .20 0 .01 20 - 35 200 - 400 10-15 150 - 160 R20 10 260 327 55 1018 19 2 .1 300 V-0 Fluorinated-ethylenepropylene FEP 319 - 399 329 - 404 3 .0 - 6 .0 2 .12 - 2 .17 0 .01 20 - 35 300 - 350 15 - 20 didn't break R50 12 260 310 47 1018 20 2 .1 300 V-0 Perfluoroalkoxy alkane PFA 329 - 371 371 - 427 2-3 2 .15 - 2 .17 0 .01 20 - 30 200 - 400 14 - 19 didn't break R50 9 200 260 50 1018 22 2 .1 300 V-0 Regulated materials Polychlorotrifluoroethylene PCTFE Ethylene tetrafluoroethylene ETFE 238 - 254 227 - 316 1 .0 - 1 .5 2 .10 - 2 .20 1 .73 - 1 .74 0 .01 0 .03 31 - 41 80 - 250 31 - 51 135 - 145 R80 38 - 42 300 - 400 40 - 50 didn't break R50 6 6 120 220 90 1018 22 2 .6 300 V-0 150 270 74 1017 16 2 .6 75 V-0 Ethylenechlorotrifluoroethylene ECTFE 1 .68 - 1 .69 0 .01 41 - 48 200 - 300 35 - 40 didn't break R50 8 150 245 77 1015 20 2 .6 18 V-0 Polyvinylidene fluoride PVDF 204 - 288 232 - 288 3 1 .75 - 1 .78 0 .03 30 - 70 200 - 370 32 - 74 160 - 375 R93 - 116 16 150 151 - 178 100 1015 11 8 .4 60 V-0 Plastic type Formability Formability Compression molding temperature Injection molding temperature Mold shrinkage rate Physical properties Specific gravity Water absorption rate (24 -3 .18mm ) Tensile strength /2 Elongation Mechanical properties Tensile modulus of elasticity 104kg/ Compressive strength /2 Flexural strength /2 Impact strength(Izod/notch)J/m Hardness (Rockwell) Thermal properties Electrical properties Coefficient of thermal expansion 105/ Continuous heat resistance temperature Heat deformation temperature (18 .5Kg/2) Volume resistance (50% , RH23) Dielectric breakdown strength Short-time Permittivity 103 Arc resistance sec Other Burning rate (flame resistance) Effects of weak acids Effect of strong acid chemical property Effects of weak alkali Effect of strong alkali Organic solvent resistance ECHA alternative candidate Polyvinyl chloride PVC Hard PVC Soft High density polyethylene HDPE - - - 141 - 204 141 - 177 149 - 232 D792 D570 149 - 204 0 .1 - 0 .5 1 .35 - 1 .45 0 .07 - 0 .40 160 - 195 1-5 1 .16 - 1 .35 0 .15 - 0 .75 149 - 316 2-5 0 .94 - 0 .97 0 .01 D 638/651 D 638 D 638 350 - 630 2 - 40 2 .5 - 4 .2 105 - 630 200 - 450 - 220 - 390 15 - 100 0 .42 - 1 .1 D 695 D 790 D 256 D 785 D 696 560 - 910 700 - 1130 2 .2 - 109 70 - 90 ( Shore D) 5 - 18 .5 63 - 120 - 50 - 100 ( Shore A ) 7-25 230 70 8 .2 - 10 .9 60 - 70 ( Shore D) 11-13 - 66 - 79 66 - 79 121 D 648 D 257 D 149 54 - 74 1016 16 .7 - 51 .1 1011 - 1015 11 .8 - 39 .3 43 - 54 1016 17 .7 - 19 .7 D 150 D 495 3 - 3 .3 60 - 80 4-8 2 .3 - 2 .35 - - D 635 Self-extinguishing Slow self-extinguishing Very slow D 543 D 543 D 543 D 543 D 543 - Swelling or soluble in ketones, esters, swelling in aromatics

1 RESEARCH Precise Research.

232.1 441572.0,4346794.0 441577.11.4346769.53 441582.21,4346745.05 441587.32,4346720.58 441592.42,4346696.11 441597.53,4346671.63 441601.0,4346655.0 441579.88,4346641.63 441558.75,4346628.26 441537.63,4346614.89 441522.0,4346605.0 441503.0,4346601.0 441483.86,4346584.91 441464.73,4346568.83 441445.59,4346552-74 441434.0,4346543.0 441448.9,4346522.92 441457.0,4346512.0 441444.34,4346490.44 441431.68,4346468.89 441420.0,4346449.0 441401.14,4346432.59 441382.28,4346416.18 441363.42,4346399.77 441344.56,4346383.36 441325.69,4346366.95 441320.0,4346362.0 441324.51,4346337.41 441329.02,4346312.82 441333.54,4346288.23 441338.05,4346263.64 441340.0,4346253.0 441364.75,4346256.51 441389.51,4346260.01 441414.26,4346263.52 441439.01,4346267.02 441463.77,4346270.53 441488.52,4346274.03 441513.27,4346277.54 441538.02,4346281.04 441562.78,4346284.55 441587.53,4346288.05 441612.28,4346291.56 441637.04,4346295.06 441661.79,4346298.57 441686.54,4346302.07 441711.3,4346305.58 441736.05,4346309.08 441760.8,4346312.59 441785.55,4346316.09 441810.31,4346319.6 441835.06,4346323.1 441859.81,4346326.61 441884.57,4346330.12 441909.32,4346333.62 AR226-2368 EID419917 441912.0,4346334.0 441908.73,4346358.78 441905.45,4346383.57 441905.0,4346387.0 441929.58,4346391.54 441954.17,4346396.09 441978.75,4346400.63 442003.33,4346405.18 442027.92,4346409.72 442052.5,4346414.27 442077.08,4346418.81 442101.67,4346423.36 442126.25,4346427.9 442143.0,4346431.0 442146.0,4346416.0 442170.16,4346422.44 442176.0,4346424.0 442180.0,4346402.0 442204.18,4346408.36 442228.35,4346414.72 442252.53,4346421.09 442275.0,4346427.0 442272.99,4346451.92 442270.97,4346476.84 442268.96,4346501.76 442267.0,4346526.0 442291.43,4346531.29 442315.87,4346536.58 442340.3,4346541.87 442364.74,4346547.16 442389.17,4346552.44 442413.61,4346557.73 442438.04,4346563.02 442462.47,4346568.31 442486.91,4346573.6 442498.0,4346576.0 442493.0,4346589.0 442517.57,4346593.6 442542.14,4346598.21 442566.72,4346602.81 442591.29,4346607.42 442615.86,4346612.02 442640.43,4346616.63 442665.01.4346621.23 442689.58,4346625.84 442714.15,4346630.44 442738.72,4346635.05 442763.3,4346639.65 442787.87,4346644.25 442812.44,4346648.86 442837.01,4346653.46 442861.58,4346658.07 442886.16,4346662.67 442910.73,4346667.28 442935.3,4346671.88 442959.87,4346676.49 EID419918 442984.45,4346681.09 443009.02,4346685.7 443033.59,4346690.3 443048.0,4346693.0 443043.47,4346717.59 443041.0,4346731.0 443065.57,4346735.61 443090.14,4346740.22 443114.71,4346744.84 443139.28,4346749.45 443163.85,4346754.06 443188.43,4346758.67 443213.0,4346763.28 443237.57,4346767.89 443262.14,4346772.51 443286.71,4346777.12 443311.28,4346781.73 443335.85,4346786.34 443360.42,4346790.95 443366.0,4346792.0 443361.52,4346816.59 443357.04,4346841.19 443352.55,4346865.78 443348.07,4346890.38 443343.59,4346914.97 443339.11,4346939.57 443334.62,4346964.16 443330.14,4346988.76 443327.0,4347006.0 443302.48,4347010.86 443277.96,4347015.73 443253.43,4347020.59 443228.91,4347025.46 443206.0,4347030.0 443181.38,4347034.34 443156.76,4347038.69 443155.0,4347039.0 443130.04,4347037.64 443105.07,4347036.28 443080.11,4347034.92 443055.15,4347033.57 443030.18,4347032.21 443008.0,4347031.0 442996.0,4347028.0 442971.0,4347028.16 442946.0,4347028.31 442921.0,4347028.47 442896.0,4347028.63 442871.0,4347028.78 442846.0,4347028.94 442836.0,4347029.0 442825.0,4347030.0 442800.03,4347028.86 442775.05.4347027.73 442750.08,4347026.59 442737.0,4347026.0 EID419919 442716.0,4347032.0 442691.26,4347028.38 442666.53,4347024.77 442641.79.4347021.15 442617.05,4347017.54 442592.31,4347013.92 442586.0,4347013.0 442574.0,4347015.0 442560.0,4347012.0 442545.0,4347018.0 442520.1,4347015.79 442495.2,4347013.57 442470.29,4347011.36 442445.39,4347009.15 442420.49,4347006.93 442395.59,4347004.72 442370.69,4347002.51 442365.0,4347002.0 442357.0,4347005.0 442350.0,4346997.0 442329.0,4346996.0 442315.0,4346995.0 442302.0,4346990.0 442285.0,4346985.0 442260.02,4346985.96 442259.0,4346986.0 442252.0,4346983.0 442227.7,4346977.11 442219.0,4346975.0 442194.88,4346968.42 442186.0,4346966.0 442161.12,4346963.51 442156.0,4346963.0 442131.44,4346958.36 442106.87,4346953.71 442082.31,4346949.07 442057.74,4346944.42 442033.18,4346939.78 442008.61,4346935.14 441984.05,4346930.49 441959.48,4346925.85 441955.0,4346925.0 441930.39,4346920.61 441905.78,4346916.21 441881.17,4346911.82 441871.0,4346910.0 441860.0,4346910.0 441848.0,4346898.0 441832.0,4346895.0 441820.0,4346891.0 . 441804.0,4346886.0 441780.19,4346878.39 441756.37,4346870.79 441732.56,4346863.18 441732.0,4346863.0 441708.82,4346853.63 EID419920 441685.64,4346844.26 441685.0,4346844.0 441663.0,4346841.0 441640.0,4346841.0 441619.52,4346826.66 441610.0,4346820.0 441595.0,4346819.0 441585.0,4346808.0 441572.0,4346794.0 EID419921

2967750 CHEMSERVICE 6.

AR226-2570 j^drewSl^artten^ _____ To: Mary A Kais6r/AE/DuPont@DuPont cc: John R Bowman/AE/DuPont@DuPont Subject" Sampling Program 'l6/6T/2Mr05T6'2 PM t Mary, I'm a little concerned about the decision to contract Battellle to provide sampling services related to the Consent Order.

3 GLP10-01-02 Interim Report 12: Analysis for PFOS, PFHS and PFBS in Decatur, AL Off-Site Soils Collected September/October 2010 Study Title 3M Environmental Laboratory Analytical Protocol GLP-10-01-02: Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 Principle Analytical Investigator Cleston C.

STLS E V E R N TRENT STL Chicago 2 4 1 7 Bond Street University Park, IL 6 0 4 66 Tel: 70 534 5200 Fax; 708 534 5211 www.stl-inc.com SEVERN TRENT LABORATORIES ANALYTICAL ..JOB N U M B E R : 2 3 3 5 0 6 W e e t o n S o 111tiiono ;y;;;ilRt.

HAZLETON LABORATORIES AMERICA, INC.

ANALYTICAL REPORT Centre Analytical Laboratories, Inc. 3048 Research Drive, State College PA 16801 814-231-8032 FAX 814-231-1253 Analytical Results W2336 Columbus, GA 3M Sample Identification MC-501H MC-503H MC-506H NA MC-507H NA MC-508H MC-584H NA Sample Description Site 1 P/N Surface Water Site 1 P/N Surface Water Duplicate Site 2 P/N Surface Water Site 2 P/N Surface Water Duplicate Site 3 P/N Surface Water Site 3 P/N Surface Water Duplicate Field Blank-P/N Empty Quiet Surface Water Quiet Surface Water Duplicate PFOS (ng/L) 63.8 59.9 76.6 83.3 55.4 55.4 <25 <25 < 25 J Compound is present, but below the reporting limit of 25 ng/L.