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TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIMES <br /> AND PRESERVATION <br /> 4 PARAMETE I MATRIX CONTAINER HOLDING T IME PIRMERVATION } <br /> TPH Soil 3" stainless steel or brass 14 d <br /> cylinder 40 days, 4 C <br /> (Light Fractions) Water 40 ml glass vial, teflon- 14 days' 4°C HCI to pH < 2 <br /> faced silicon septum <br /> (Heavy Fractions) Water 1 L amber bottles, teflon 14 days' 40C <br /> seal/silicon septum 40 days`' ° <br /> 6TDC Soil 3" stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 2-4.0 ml glass vial, teflon 14 days' 4°C HCl to pH < 2 <br /> seal/silicon <br /> Purgeable Halocarbons Sail 3" stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 2-40 m€ glass vial, teflon 14 days' 40C <br /> seal/silicon septum <br /> Organic Lead Soil 3" stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 1 L amber bottles, teflon 14 days' 4°C <br /> seaf/sif€con seotum <br /> Ethylene Dibromide 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 /> Polynucfear Aromatic Soil 8 oz. wide mouth glass 14 days' 4°C <br /> Hydrocarbons with teflon seal 40 daysz <br /> Water 1000 ml amber glass with 7 days' 4°C <br /> teflon seal 40 daysz <br /> Polychlorinated Soil 8 pz. wide mouth glass 7 days' 4°C <br /> Biphenyls with teflon seal 40 days <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 4°C <br /> cylinder <br /> Water 1000 ml plastic 6 months 4°C, HNO, to pHA 2 <br /> Dissolvedall— <br /> Metals Water 1000 ml plastic 6 months 40C, HNO3 to pH< 2 <br /> 0.45 Micron Filtration <br /> Pesticides Soil 3" stainless steel or brass 40 days2 4°C <br /> cylinder <br /> Water 1 L glass 40 days2 4°C <br /> ' _ <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 /> waadminlshe11s\gagc-02.doc <br /> 16 <br />