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Quality Assurance/Quality Control Plan <br />TABLE 1 <br />SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br />Page 14 <br />PARAMETER <br />MATRIX <br />CONTAINER <br />HOLDING TIME <br />PRESERVATION <br />Total Petroleum <br />Soil <br />3" stainless steel <br />14 days'/ <br />4oC <br />Hydrocarbons <br />or brass cylinder <br />40 days'/ <br />40 ml glass vial, <br />14 days'/ <br />4°C HCI <br />(Light Fractions) <br />Water <br />teflon -faced silicon <br />20 days'/ <br />to pH = 2 <br />septum <br />1 amber bottles, <br />14 days , <br />(Heavy Fractions) <br />Water <br />teflon seal/silicon <br />40 days'/ <br />40C <br />septum <br />Benzene <br />Soil <br />3" stainless steel <br />14 days'/ <br />4°C <br />Toluene <br />or brass cylinder <br />Xylenes <br />40 ml glass vial, <br />7 days'/ <br />40C HCI <br />Ethylbenzene <br />Water <br />teflon seal/silicon <br />14 days'/ <br />to pH = 2 <br />Soil <br />3" stainless steel <br />14 days'/ <br />4°C <br />or brass cylinder <br />Purgeable <br />Halocarbons <br />500 ml glass vial, <br />Water <br />teflon seal/silicon <br />14 days'/ <br />4°C <br />septum <br />Soil <br />3" stainless steel <br />14 days'/ <br />4°C <br />or brass cylinder <br />Organic <br />Lead <br />40 ml glass vial, <br />Water <br />teflon seal/silicon <br />14 days'/ <br />4°C <br />septum <br />Soil <br />3" stainless steel <br />14 days'/ <br />4°C <br />or brass cylinder <br />Ethylene <br />Dibromide <br />40 ml glass vial, <br />Water <br />teflon faced silicon <br />14 days'/ <br />4°C <br />septum <br />8 oz. wide mouth <br />14 days'/ <br />Soil <br />glass with teflon <br />40 days'/ <br />40C <br />Polynuclear <br />seal <br />Aromatic <br />Hydrocarbons <br />1000 ml amber <br />7 days'/ <br />Water <br />glass with teflon <br />40 days'/ <br />40C <br />seal <br />