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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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