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TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIMES- ---����� <br /> AND PRESERVATION <br /> PARAMETER MATRIX T CONTAINER . HOLDING TIME PRESERVATION <br /> TPH Soil 3" stainless steel or 14 days' 4°C <br /> brass cylinder 40 daysZ <br /> (Light Fractions) Water 40 ml glass vial, teflon- 14 days' 4°C HCl to pH <2 <br /> faced silicon septum 20 days <br /> {Heavy Fractions) Water 1 L amber bottles, teflon 7 days' 4°C <br /> seal/silicon septum 40 daysZ <br /> Soil 3" stainless steel or 14 days' 4°C <br /> BTEX brass cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C HC1 to pH <2 <br /> seal/silicon 40 days' <br /> Soil 3" stainless steel or 14 days' 4°C <br /> Purgeable brass cylinder <br /> Halocarbons 2.40 ml glass vial, teflon <br /> Water seal/silicon septum 14 days 4°C <br /> Soil 3" stainless steel or 14 days' 4°C <br /> Organic Lead brass cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seallsilicon septum <br /> Soil 3" stainless steel or 14 days2 4°C <br /> Ethylene Dibromide brass cylinder <br /> Water 2-40 ml glass vial, teffon 14 days' 4°C <br /> seal/silicon septum <br /> Soil 8 oz. wide mouth glass 14 days' 4°C <br /> Polynuclear Aromatic with teflon seal 40 days2 <br /> Hydrocarbons 1000 ml amber glass 7 days' <br /> Water with teflon seal 40 days2 4°C <br /> Soil 8 oz. wide mouth glass 7 days' 4°C <br /> Polychlorinated with teflon seat 40 days' <br /> Biphenyls 1000 ml amber glass 7 days' <br /> Water with teflon seal 40 days2 4°C <br /> Soil 3" stainless steel or 6 months 4°C <br /> Total Metals brass cylinder <br /> Water 1000 ml plastic 6 months 4°C, HNO3 to pH<2 <br /> 40C, HNO3 to <br /> Dissolved Metals Water 1000 ml plastic 6 months pH<2, 0.45 Micron <br /> Filtration <br /> Soil 3" stainless-steel or 14 days,? 4°C <br /> Pesticides brass cylinder <br /> Water 1 L glass 7 days 4°C <br /> ' 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 o Maximum holding time for sample when pH adjusted with HCI. <br /> QAQCIM.R& 15 <br />