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' TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIMES <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' 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 days2 <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 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 /> seal/silicon septum <br /> Soil 3" stainless steel or 14 day S2 4°C <br /> Ethylene Dibromide brass cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon septum - <br /> ' Sod 8 oz wide mouth glass 14 days' <br /> Polynuclear Aromatic with teflon seal 40 days2 40C <br /> Hydrocarbons Water 1000 ml amber glass 7 days' <br /> with teflon seal 40 days' <br /> 4°C <br /> ' Soil 8 oz wide mouth glass 7 days' 4°C <br /> Polychlorinated with teflon seal 40 days2 <br /> ' Bcphenyls Water 1000 ml amber glass 7 days' <br /> with teflon seal 40 days' <br /> 4°C <br /> Soil 3" stainless steel or $ months 4°C <br /> ' Total Metals brass cylinder <br /> Water 1000 mi plastic 6 months 4°C, HN03to 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 daysz 4°C <br /> Pesticides brass cylinder <br /> Water 1 L glass 7 day S2 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 = Maximum holding time for sample when pH adjusted with HCl <br /> ' QAQC1092 r-r L 15 <br />