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TABLE 1 L� � <br /> SAMPLE CONTAINERS, HOLDING TIMES <br /> AND PRESERVATION <br /> TPH Soil 3"stainless steel or brass 14 days' 4°C <br /> cylinder 40 days <br /> (Light Fractions) Water 40 ml glass vial, teflon- 14 days' 4°C HCI to pH<2 <br /> faced silicon septum 20 days2 <br /> (Heavy Fractions) Water 1 L amber bottles, teflon 7 days' 40C <br /> seal/silicon septum 40 days <br /> 2 <br /> BTEX Soil 3"stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 2-40 ml glass vial,teflon 14 days' 4°C HCI to pH <2 <br /> seal/silicon 40 days3 <br /> 7Purgeable Halocarbons Soil 3"stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 2-40 ml glass vial,teflon 14 days' 4°C <br /> seallsilicon septum <br /> Organic Lead Soil 3"stainless steel or brass 14 days' 4°C <br /> cylinder ` <br /> Water 2-40 ml glass vial, teflon 14 days' 40C <br /> seallsilicon septum <br /> Ethylene Dibromide Soil ; 3"stainless steel or brass 14 days2 4°C <br /> cylinder <br /> Water 240 ml glass vial, teflon 14 days' 4°C I <br /> r seallsilicon septum <br /> Polynuclear Aromatic Soil 8 oz.wide mouth glass 14 days' 4°C j <br /> Hydrocarbons with teflon seal 40 daysz j <br /> Water 1000 ml amber glass with 7 days' 4°C <br /> j teflon seal 40 daysz <br /> Polychlorinated Soil 8 oz.wide mouth glass 7 days' 4°C I <br /> Biphenyls with teflon seal 40 days2 j <br /> Water 1 1000 ml amber glass with 7 days' 4°C <br /> teflon seal 40 daysz jl <br /> Total Metals,j Soil 3"stainless steel or brass 6 months 4°C <br /> cylinder <br /> k Water 1000 ml plastic 6 months 40C, HNO3 to pH<2 1I <br /> Dissolved Metals Water 1000 ml plastic 6 months 4°C, HNO3 to pH<2,1� <br /> I 0.45 Micron Filtration <br /> Pesticides j Soil 3"stainless steel or brass 14 days2 4°C <br /> cylinder <br /> Water 1 L glass 7 daysz 4°C <br /> ' = Maximum holding time for sample(extract within this time or analyze if extraction is not required. I� <br /> z = Maximum holding time for extract(analyze within this time). !j <br /> 3 !: <br /> = Maximum holding time for sample when pH adjusted with HCI. II <br /> �I <br /> i <br /> r <br /> m:1...1W:IAdmin\She11slQAQC-97.DOC <br /> I� � <br />