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Preservation, Holding Times, Containers for Samples

Metals

Parameter Solid Waste Method Wastewater Method Drinking Water Method Sample Volume Holding Time Preservation
Mercury 7470A 245.1 245.1 250 mL 28 days HNO3, pH < 2
Mercury 7471A     4 oz widemouth 28 days None, 4 °C
Metals, except Chromium VI & Mercury (Water) 6010B, 6020, 7000A 200.7, 200 series 200.7; 200.8 500 mL 6 months HNO3, pH < 2
Metals, except Chromium VI & Mercury (Soil) 6010B, 6020, 7000A     4 oz widemouth 6 months None, 4 °C
Hexavalent Chromium 7196A 7196A   300 mL 24 hours Cool, 4 °C

 

REFERENCES

EPA 100-400 Series - Methods for the Determination of Inorganic Substances in Environmental Samples, EPA/600/R-93-100, August 1993.

EPA 200 Series - Methods for the Determination of Metals in Environmental Samples. Supplement I, EPA/600/4-91-111, May 1994.

EPA 500 Series - Methods for the Determination of Organic Compounds in Drinking Water, Supplement III, EPA/600/R-95/131, August 1994.

EPA 600 Series - Methods for the Determination of Nonconventional Pesticides in Municipal and Industrial Wastewater - Volume I - EPA-821-R-93-010 August 1993, Revision 1.

Test Methods for Evaluating Solid Waste Physical/Chemical Methods (SW-846) - Third Edition, September 1986; Final Update I, July 1992; Final Update IIA, August 1993; Final Update II, September 1994; Final Update IIB, January 1995; Final Update III, December 1996; Final Update IIIA, April 1998; Final Update IIIB, November 11, 2004.

Wagner, Robert E. - Guide to Environmental Analyrical Methods, 4th Edition, Genium Publishing Corporation, 1998.

 

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