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i <br /> Table 1 <br /> Sample Containers, Holding Times and Preservation <br /> Holding <br /> Parameter Matrix Container Time Preservation <br /> ------------------------------------------------------------------------------------- <br /> Total Petrol. soil 3' stainless steel 14 daysl/ 4*C . <br /> Hydrocarbons or brass cylinder 40 days 2/ <br /> (Light Fractions) Water 40 ■l glass vial, 14 days l/ 4*C HC1 <br /> teflon-faced silicon 20 days 2/ to pH 2 <br /> septum <br /> (Heavy Fractions) Water 1 amber bottles. 14 days l/ 4*C <br /> teflon seal/silicon 40 days2/ <br /> septum <br /> Benzene soil 3' stainless steel 14 daysl/ 4*C <br /> Toluene or brass cylinder <br /> Xylene <br /> Zthylbenxene Water 40 ■l glass vial. 7 days l/ 4*C HCl <br /> teflon seal/silicon 14 days 3/ to pH 2 <br /> Purgeable soil 3' stainless steel 14 days l/ 4*C <br /> Halocarbons or brass cylinder <br /> Water 500 ■l glass vial. 14 days l/ <br /> teflon seal/silicon <br /> septum <br /> Organiclead soil 3' stainless steel 14 days l/ 4*C <br /> or brass cylinder <br /> 0 <br /> Water .40 ml glass vial. 14 days l/ 4*C <br /> teflon seal/silicon <br /> septum <br /> ithylene Dibromide soil- 3' stainless steel 14 dais2/ 4'C ' <br /> or brass cylinder <br /> Water 40 al glass vial, 14 days l/ 4*C <br /> teflon faced silicon <br /> septum <br /> Polynuclear soil - 8 os. vide mouth 14 days l/ 4*C <br /> Aromatic glass with teflon 40 days 2/ <br /> Hydrocarbons seal <br /> Water 1000 ml amber glass 7 days l/ 4*C <br /> with teflon seal 40 days 2/ <br />