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Section No. 4.0 <br /> Revision No. 6 <br /> Date 6/1188 <br /> Page 7 <br /> Benzidines G, Cool , 40C, 0-008% Na2S203 7 days <br /> Teflon-lined until <br /> cap extraction <br /> Phthalate esters G, Cool, 4°C 7 days <br /> Teflon-lined until <br /> 4 cap extraction <br /> 40 days <br /> after <br /> extraction <br /> Nitrosamines G, Cool, 40C store in dark, 40 days <br /> Teflon-linea 0.008% Na2S203 after <br /> cap extraction <br /> s <br /> PCBs, acrylonitrile G, Cool , 40C 40 days <br /> Teflon-lined after <br /> cap extraction <br /> F' Nitroaromatics and G, Cool, 4°C store in dark 40 days <br /> isophorone Teflon-lined 0.00875 Na2S203 after <br /> 3 cap extraction <br /> Polynuclear aromatics G, Cool, 4°C store in dark 40 days <br /> hydrocarbons Teflon-lined 0.008% Na2S203 after <br /> cap extraction <br /> Haloethers G, Cool, 40C G.008a Na2S20340 days <br /> Teflon-lined after <br /> cap extraction <br /> Chlorinated hydrocarbons G, Cool, 4°C 40 days <br /> after <br /> extraction <br /> TCDD G, Cool , 4°C 0.008% Na2S203 40 days <br /> after <br /> extraction <br /> Total organic halogens G, Cool, 4°C, H2504 to pHQ 7 days <br /> �areontLEnv;ro ient <br />