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TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIME_ S AZZNMA <br /> AND PRESERVATION <br /> PARAMETER MATRIX CONTAINER HOLDING TIME PRESERVATION <br /> TPH Soil 3" stainless steel or 14 days' 4°C <br /> brass cylinder 40 days' <br /> (Light Fractions) Water 40 ml glass vial, teflon- 14 days' <br /> g faced silicon septum 20 days' 4°C HCl to pH <2 <br /> (Heavy Fractions) Water 1 L amber bottles, teflon 7 days' 4°C <br /> seal/silicon septum 40 days' <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 HCl 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 14 days 4°C <br /> seal/silicon septum <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 /> seal/silicon septum <br /> Soil 3" stainless steel or 14 days' 4°C <br /> Ethylene Dibromide brass cylinder <br /> Water 2-40 ml glass vial, teflon 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 days' <br /> Hydrocarbons 1000 ml amber glass 7 days' <br /> Water with teflon seal 40 days' 4°C <br /> Soil 8 oz. wide mouth glass 7 days' 4°C <br /> Polychlorinated with teflon seal 40 days' <br /> Biphenyls Water 1000 ml amber glass 7 days' 4°C <br /> with teflon seal 40 days' <br /> 3" stainless steel or <br /> Total Metals Soil brass cylinder 6 months 4°C <br /> Water 1000 ml plastic 6 months 4°C, HNO3 to pH<2 <br /> 4°C, 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 /> ' = Maximum holding time for extract (analyze within this time). <br /> 3 = Maximum holding time for sample when pH adjusted with HCl. <br /> QAQc1092.FNL 15 <br />