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TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIMES <br /> AND PRESERVATION <br /> ............ . .... . .. <br /> ........... .... .... ....... <br /> ..................... ....... <br /> . .................. <br /> flo 'a, <br /> .... ........ .......ic- <br /> WIN it. <br /> IX .. ............. <br /> ..................................... <br /> TPH Soil 3"stainless steel or brass 14 days' 4'C <br /> cylinder 40 daYS2 <br /> (Light Fractions) Water 40 ml glass vial, teflon- 14 days' 4°C HCI to PH <2 <br /> faced silicon septum 20 daYS2 <br /> (Heavy Fractions) Water 1 L amber bottles, teflon 7 days' 41C <br /> seal/silicon septum 40 daYS2 <br /> BTEX Soil 3" stainless steel or brass 14 days' 4*C <br /> cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C HCI to PH <2 <br /> seal/silicon 40 daYS3 <br /> Purgeable Halocarbons Soil 3"stainless steel or brass 14 days' 4'C <br /> cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon septum <br /> Organic Lead Soil 3" stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4'C <br /> seal/silicon septum <br /> Ethylene Di bromide Soil 3" stainless steel or brass 14 daYS2 4°C <br /> cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon septum <br /> Polynuclear Aromatic Soil 8 oz. wide mouth glass 14 days' 4°C <br /> Hydrocarbons with teflon seal 40 days 2 <br /> Water 1000 ml amber glass with 7 days' 4°C <br /> teflon seal 40 daYS2 <br /> Polychlorinated Soil 8 oz. wide mouth glass 7 days' 4°C <br /> Biphenyls with teflon seal 40 dayS2 <br /> Water 1000 ml amber glass with 7 days' 4°C <br /> teflon seal 40 da YS2 <br /> Total Metals Soil 3" stainless steel or brass 6 months 4°C <br /> cylinder <br /> Water 1000 ml plastic 6 months 4°C, HNO3 to pH<2 <br /> Dissolved Metals Water 1000 ml plastic 6 months 4°C, HNO3t pH<2, <br /> 1 0.45 Micron Filtration <br /> Pesticides Soil 3"stainless steel or brass 14 daYS2 4*C <br /> cylinder <br /> Water 1 L glass 7 daYS2 4'C <br /> 1 = Maximum holding time for sample(extract within this time or analyze if extraction is not required. <br /> 2 = Maximum holding time for extract(analyze within this time). <br /> 3 = Maximum holding time for sample when PH adjusted with HCl. <br /> m:\...\W:\Admin\Shells\QAQC-97.DOC <br /> 16 <br />