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TABLE 1 �.ql <br /> I <br /> SAMPLE CONTAINERS, HOLDING TIMES <br /> AND PRESERVATION <br /> ij <br /> Ix- <br /> 7AfN E-f6tNC�.' 11VtEES11T �1 <br /> TPH Soil 3"stainless steel or brass 1! 14days' 4°C <br /> cylinder 40 days2 <br /> (Light Fractions) Water 40 ml glass vial, teflon- , 1.4 days' 4°C HCI to pH <2 <br /> faced silicon septum ; 20 days2 <br /> (Heavy Fractions) Water 1 L amber bottles, teflon 7 days' 4°C <br /> sea[/silicon septum ii' 40 days <br /> BTEX Soil 3" stainless steel or brass I 14 days' 4°C <br /> cylinder <br />{ Water 2-40 ml glass vial, teflon . it 14 days' 4°C HCl to pH <2 <br /> seal/silicon Ii 40 days <br /> Purgeable Halocarbons Soil 3"stainless steel or brass 1'4 days' 4°C <br /> cylinder 3' <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon septum 1 <br /> ' Organic Lead Soil 3"stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 2-40 ml glass vial, teflon 1 14 days' 4°C <br /> seal/silicon septum <br /> Ethylene Dibromide 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 j <br /> Polynuclear Aromatic Soil 8 oz. wide mouth glass 14 days' 4'C <br /> Hydrocarbons with teflon seal 40 days2 <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 days2 <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, HNO3 to pH<2, <br /> I:� 0.45 Micron Filtration <br /> Pesticides Soil 3"stainless steel or brass 14 days2 4°C <br /> cylinder <br /> Water 1 L glass I7 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 = Maximum holding time for sample when pH adjusted with HCl. <br /> 1 <br /> m:1...1W:1Admin\Shclls\QAQC-97.DOC <br /> 1 fi <br />