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Table 1 <br /> Sample Containers Holding Times and Preservation <br /> Holding <br /> Parameter hatrix Container <br /> Time <br /> ------------------------- ----------------------------------------------------------- <br /> PreaevaciOn <br /> -______ - = <br /> ' Total Petrol 90 i1 3" stainless steel <br /> 14 dayal/ 4 C <br /> Hydrocarbons or brass cylinder <br /> 40 days2/ <br /> (Light Fractions) Water 40 ml glass vial <br /> 14 days l/ 4 C HCl <br /> teflon-faced silicon 20 days z/ to PH - 2 <br /> septum <br /> ' (Heavy Fractions) Water 1 amber bottles <br /> 14 days l/ 4 C <br /> teflon seal/silicon 40 days 2/ <br /> t septum <br /> Benzene Soil 3" stainless steel <br /> 14 days l/ 4 C <br /> Toluene or brass cylinder <br /> ' xylene <br /> cthylbenzone Water 40 ml <br /> glass vial 7 days l/ 4 C HC1 <br /> teflon seal/silicon 14 days 3/ to <br /> PH 2 <br /> ' Purgeable Soil 3" stainless steel 14 daysl/ 4*C <br /> Halocarbons <br /> or brass cylinder <br /> Water 500 ml glass vial 14 days l/ <br /> teflon seal/silicon <br /> septum <br /> Organiclead Soal 3" stainless steel <br /> 14 days l/ 4 C <br /> or brass cylinder <br /> Water 40 ml glass vial 14 days l/ 4 C <br /> teflon 8041/silicon <br /> septum <br /> ' Ethylene Dibromide soil 3" stainless steel <br /> 14 days/ 4 C <br /> or brass cylinder <br /> ' Water 40 ml glass vial 14 days l/ 4 C <br /> teflon faced silicon <br /> septum <br /> Polynuclear soil 8 os vide mouth <br /> l <br /> Aromatic <br /> 14 dsys / 4 C H glass with teflon <br /> 40 days 2/ <br /> Hydrocarbons seal <br /> Water 1000 ml amber glass <br /> 7 days l/ 4 C <br /> ' with teflon aeal 40 days 2/ <br />