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Preservation, Holding Times, Containers for Samples

 

Organics in Water

Parameter Method Container Type Holding Time Preservation
Non-Halogenated/ Aromatic Organics 8015B (GRO), 8021B (BTEX/MTBE) 3 x 40 mL vials with Teflon lined septum caps 14 days HCL, pH < 2, add 1000 mg ascorbic acid/L if residual chlorine present, 4 °C
Volatile Organics 8260B/624 3 x 40 mL vials with Teflon lined septum caps 14 days HCL, pH < 2, add 1000 mg ascorbic acid/L if residual chlorine present, 4 °C
Organochlorine Pesticides/ PCBs 608/8081/8082 1 L, amber 7 days (extraction), 40 days (analysis) None, 4 °C
Semivolatile/ Extractable Organics 625/8270C 1 L, amber 7 days (extraction), 40 days (analysis) None, 4 °C
Non-Halogenated Organics 8015B (DRO) 1 L, amber 7 days (extraction), 40 days (analysis) None, 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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