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TABLE 1 <br /> ' SAMPLE CONTAINERS, HOLDING TIMES AMA <br /> AND PRESERVATION <br /> PARAMETER MATRIX CONTAINER HOLDING TIME PRESERVATION <br /> TPH Soy( 3" stainless steel or 14 days' 4°C <br /> brass cylinder 40 days2 <br /> (Light Fractions) Water 40 ml glass vial, teflon- 14 days' 4°C HCl to pH <2 <br /> faced silicon septum 20 days2 <br /> 1 (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 /> seallsilicon 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 seallsilicon septum 14 days' 4°C <br /> Sol] 3" stainless steel or 14 days' 4°C <br /> Organic Lead brass cylinder <br /> ' Water 2-40 ml glass vial, teflon 14 days' <br /> 4°C <br /> seal/silicon septum <br /> Sod 3" stainless steel or 14 days2 4'C <br /> LEthyleneibromide brass cylinder <br /> Water 2.40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon septum <br /> ' Soil S oz wide mouth glass 14 days' 40C <br /> Polynuclear Aromatic with teflon seal 40 days; <br /> Hydrocarbons 1000 ml amber glass 7 days' <br /> Water with teflon seal 40 days2 40C <br /> Soil 8 oz wide mouth glass 7 days' <br /> Polychlorinated with teflon seal 40 days2 40C <br /> ' Biphenyls 1000 ml amber glass 7 days' <br /> Water with teflon seal 40 days2 40C <br /> ' Soil 3" stainless steel or 6 months 40C <br /> Total Metals brass cylinder <br /> Water 1000 ml plastic 6 months 4°C, HNO3 to pH<2 <br /> Dissolved Metals Water 1000 ml plastic 6 months <2,40C45 s <br /> PH<2, O 45 Micron <br /> Filtration <br /> ' <br /> SQi1 3" stainless steel or 14 <br /> Pesticides brass cylinder days 4°C <br /> ' — Water 1 L glass 7 days2 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 /> 7 a Maximum holding time for sample when pH adjusted with HCI <br /> 15 <br />