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Quality Assurance/Quality Control Plan Page 15 <br /> TABLE 1 (Cont'd.) <br /> SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br /> PARAMETER MATRIX CONTAINER> HOLDING TIME PRESERVATION <br /> 8 oz. wide mouth 7 days'/ <br /> Poly- <br /> Soil glass with teflon 40 da s2/ 40C <br /> Chlorinated seal day <br /> Biphenyls 1000 ml amber <br /> Water glass with teflon 7 days'/ 4°C <br /> seal 40 days2/ <br /> Total <br /> Soil 3" stainless steel, 6 months Metals or brass cylinder <br /> Water 1000 ml plastic 6 months pH<2 <br /> Dissolved Water 1000 ml plastic 6 months pH2, 0.45 Micron <br /> Metals Filtration <br /> Soil 3" stainless steel, 14 days2/ 4°C <br /> Pesticides or brass cylinder <br /> Water 1000 ml glass 7 days'/ 4°C <br /> NOTES: <br /> '/ = Maximum holding time for sample(extract within this time or analyte if extraction is not required). <br /> 2/ = Maximum holding time for extract (analyze within this time). <br /> '/ = Maximum holding time for sample when pH adjusted with HCl. <br />