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Quality Assurance/Quality Control Plan <br /> 1'agc 15 <br /> TABLE I (Cont'd.) <br /> SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br /> PARAMETER MATRIX CONTAINER <br /> HOLDING TIME PRESERVATION <br /> 8 oz wide mouth <br /> Soil glass with teflon 7 days'/ <br /> l <br /> Poly- 40 days'/ 40C <br /> Chlorinated seat <br /> Biphenyls 1000 ml amber <br /> Water glass with teflon 7 days'/ <br /> seal 40 days'/ 4 C <br /> Total Soil 3" stainless steel, <br /> Metals <br /> or brass cylinder 6 months <br /> Water 1000 ml plastic 6 months <br /> pH<2 <br /> Dissolved <br /> Metals Water 1000 m! plastic 6 months pH2 0 45 Micron <br /> Filtration <br /> Soil 3" stainless steel, <br /> Pesticides or brass cylinder 14 days/ 40C <br /> Water 1000 ml glass 7 days'/ 40C <br /> 9 <br /> ==j <br /> NOTES <br /> i/ = Maximum holding time for sample(extract within this time or analyte if extraction is not re <br /> Z/ = Maximum holding time for extract (analyze within this time) griired) <br /> '/ = Maximum holding time for sample when pH adjusted with HCI <br />