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TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br /> PARAMETER` MATRUC CONTAINER HOLDING TIME PRE$ERYATION <br /> Pesticides Soil 3" stainless steel, or brass 14 days' 4°C <br /> 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 <br /> required). <br /> 2 = Maximum holding time for extract (analyze within this time). <br /> 3 = Maximum holding time for sample when pH adjusted with HCl. <br />