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Quality Assurance/Quality Control Plan Page 15 <br /> TABLE 1 (Cont'd.) <br /> SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br /> LPEAR:MEfER MATRIX CONTAINER HOLDING TIME PRESERVATION <br /> 8 oz wide mouth <br /> Sod glass with teflon 7 days'/ 4°C <br /> Poly- 40 ddays,'/Chlorinated seal <br /> Biphenyls 1000 ml amber <br /> Water glass with teflon 7 days'/ ° <br /> seat 40 days2l 4 C <br /> Total Sod 3" stainless steel, <br /> Metals <br /> or brass cylinder $ months <br /> Water 1000 ml plastic 6 months pH<2 <br /> Dissolved <br /> Metals Water 1000 ml plastic 6 months pH2, 0 45 Micron <br /> Filtration <br /> Sod 3" stainless steel, 14 days2l 4°C <br /> Pesticides or brass cylinder <br /> . Water 1000 ml glass 7 days21 4°C <br /> NOTES <br /> I1 = Maximum holding time for sample(extract within this time or analyte if extraction is not required) <br /> 21 = Maximum holding time for extract (analyze within this time) <br /> 31 = Maximum holding time for sample when pH adjusted with HCl <br />