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TABLE 1 <br /> �� rl SAMPLE CONTAINERS, HOLDING TIMES <br /> AND PRESERVATION <br /> PARAMETER MATRIX CONTAINER HOLDING TIME 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 HCl to pH <2 <br /> faced silicon septum 20 days2 <br /> (Heavy Fractions) Water 1 L amber bottles, teflon 7 days' 4°C <br /> seal/silicon septum 40 daysZ <br /> BTEX Sod 3"stainless steel or brass 14 days' 40C <br /> cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C HCI to pH <2 <br /> seallsdicon 40 days3 <br /> Purgeable Halocarbons Soil T'stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon 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' 4°C <br /> seal/silicon septum <br /> Ethylene Dibromide Sod 3" stainless steel or brass 14 daysZ 40C <br /> cylinder <br /> Water 2410 ml glass vial, teflon 14 days' 40C <br /> seallsilicon septum <br /> Polynuclear Aromatic Sod S oz wide mouth glass 14 days4°C <br /> Hydrocarbons with teflon seal 40 days2 <br /> Water 1000 ml amber glass with 7 days' 4°C <br /> teflon seal 40 daysZ <br /> Polychlorinated Soil 8 oz wide mouth glass 7 days' 4°C <br /> Biphenyls with teflon seal 40 daysZ <br /> Water 1000 ml amber glass with 7 days' 4°C <br /> teflon seal 40 daysZ <br /> Total Metals Soil 3" stainless steel or brass 6 months 4GC <br /> cylinder <br /> Water 1000 ml plastic 6 months 40C, HNO3 to pH<2 <br /> Dissolved Metals Water 1000 ml plastic 6 months 4'C, HNO3 to pH<2, <br /> 0 45 Micron Filtration <br /> Pesticides Sod 3" stainless steel or brass 14 days 40C <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 <br /> 2 = Maximum holding time for extract(analyze within this time) <br /> 3 — Maximum holding time for sample when pH adjusted with HCl <br /> M 1 IW 1AdmmlShe1ls\QAQC-97 DOC <br />