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• ing Table 1 <br /> Sample Containers HoldTimes and Preservation <br /> Holding <br /> Parameter Matrix container Time Preservation <br /> Total petrol Boil 3' stainless steal 14 days l/ 4 'C <br /> Hydrocarbons or brass cylinder 40 days 2/ <br /> (Light Fractions) slater 40 ml glass vial 14 days l/ 4*C Hcl <br /> teflon-faced silicon 20 days 2/ to PH • 2 <br /> I <br /> septum <br /> (Heavy fractions) Water 1 amber bottles 14 days l/ 4'C <br /> taflon seal/silicon 40 days Z/ <br /> septum <br /> Benzene Boil 3" stainless steel 14 days l/ 4'C <br /> Toluene or brass cylinder <br /> Xy 1 ens <br /> l <br /> rthylbensans Water 40 el glass vial 7 daya / 4'C HCl <br /> teflon seal/silicon 14 days3/ to pH 2 <br /> purgeable soil 3" stainless steel 14 days l/ 4*C <br /> Halocarbon■ or brass cylinder <br /> Water 500 ml glass •sal 14 days 3/ <br /> teflon meal/silicon <br /> septum <br /> organiclead soil 3' stainless steel 14 days 1/ 4"- <br /> or brans cylinder <br /> Water 40 ml gloom vial 14 days l/ 4 C <br /> teflon meal/silicon <br /> septum <br /> Ethylene 0ibromide soil 3- stainless steel 14 days 2/ 4*C <br /> or brass cylinder <br /> Water 40 m1 glass vial 14 days 3/ 4'C <br /> teflon faced silicon <br /> septum <br /> Polynuclear soil 8 as wida 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 3/ 4*C <br /> with teflon seal 40 days 2/ <br />