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Quality Assurance/Quality Control Plan Page 15 <br />TABLE 1 (Cont'd.) <br />SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br />PARAMETER <br />MATRIX <br />CONTAINER <br />HOLDING TIME:PRESERVATION <br />8 oz. wide mouth <br />7 days'/ <br />Soil <br />glass with teflon <br />40 days'/ <br />40C <br />Poly- <br />seal <br />Chlorinated <br />Biphenyls <br />1000 ml amber <br />7 days'/ <br />Water <br />glass with teflon <br />40 days'/ <br />40C <br />seal <br />Total <br />Soil <br />3" stainless steel, <br />6 months <br />or brass cylinder <br />Metals <br />Water <br />1000 ml plastic <br />6 months <br />pH<2 <br />Dissolved <br />Water <br />1000 ml plastic <br />6 months <br />pH2, 0.45 Micron <br />Metals <br />Filtration <br />Soil <br />3" stainless steel, <br />14 days'/ <br />4°C <br />Pesticides <br />or brass cylinder <br />Water <br />1000 ml glass <br />7 days'/ <br />4°C <br />NOTES: <br />'/ = Maximum holding time for sample (extract within this time or analyte if extraction is not required). <br />Z/ = Maximum holding time for extract (analyze within this time). <br />3/ = Maximum holding time for sample when pH adjusted with HCl. <br />