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TABLE 3-1 <br /> SAMPLE CONTAINER, PRESERVATION, AND HOLDING TIME <br /> REQUIREMENTS FOR SOIL AND WATER SAMPLES <br /> Media Analysis Container Preservative Holding Time <br /> 0 <br /> SOIL Arsenic, Copper, and 16 oz. glass Cool to 4 C 6 months <br /> Total Chromium <br /> 0 <br /> Hexavalent Chromium 16 oz. glass Cool to 4 C 24 hours <br /> WATER Arsenic, Copper, and 100 ml plastic jar HCl to pH o 2 6 months <br /> Total Chromium Cool to 4 C <br /> 0 <br /> Hexavalent Chromium 100 ml plastic jar Cool to 4 C 24 hours <br /> CAW11E <br /> TABS-1.WK1 <br />