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Preservation, Holding Times, Containers for Samples

Inorganics

Parameter Solid Waste Method Wastewater Method Sample Volume & Container Type Holding Time Preservation
Acidity   305.1, 2310B 100 mL, Plastic or Glass 14 days Cool, 4 °C
Alkalinity   310.1, 2320B 100 mL, Plastic or Glass 14 days Cool, 4 °C
Ammonia   350.2 500 mL, Plastic or Glass 28 days Cool, 4 °C, H2SO4 to pH < 2
Biochemical Oxygen Demand   405.1, 5210B 1 L, Plastic or Glass 48 hours Cool, 4 °C
cBOD   405.1, 5210B 1 L 48 hours Cool, 4 °C
Chemical Oxygen Demand   410.4 100 mL, Plastic or Glass 28 days Cool, 4 °C, H2SO4 to pH < 2
Chloride 9056 325.3, 300.0 50 mL, Plastic or Glass 28 days None required
Chlorine, Total Residual   330.3 500 mL, Plastic or Glass Analyze immediately None
Color   110.2 100 mL, Plastic or Glass 48 hours Cool, 4 °C
Cyanide, Total and Amenable 9014/ 9010B 335.2, 335.1 500 mL, Plastic or Glass 14 days Cool, 4 °C; if oxidizing agents present add 0.6 g of ascorbic acid per L; adjust pH > 12 with 10N NaOH.
Flashpoint 1010   200 mL NA (soil); 7 days (water) None
Fluoride   340.2, 300.0 300 mL, Plastic 28 days None
Hardness   2340B 100 mL, Plastic or Glass 6 months HNO3 , pH < 2
Nitrate 9056 300.0, 353.3 100 mL, Plastic or Glass 48 Hours Cool, 4 °C
Nitrate-Nitrite   353.3 100 mL, Plastic or Glass 28 days Cool, 4 °C, H2SO4 to pH < 2
Nitrite 9056 300.0; 354.1 50 mL, Plastic or Glass 48 hours Cool, 4 °C
Oil and Grease  

413.2

20 g / 1 L, Glass

28 days

Cool, 4 °C, H2SO4 to pH < 2
Oil and Grease - HEM   1664 1 L, Glass 28 days Cool, 4 °C, H2SO4 to pH < 2
Oxygen, Dissolved   360.1 300 mL, Glass or BOD bottle Analyze immediately None
Oxygen, Dissolved   360.2 300 mL, Glass or BOD bottle 8 hours None
pH 9040B, 9045C 150.1 20 g / 25 mL, Plastic or Glass Analyze immediately None required
Phenolics   420.1 500 mL 28 days Cool, 4 °C, H2SO4 to pH < 2
Phosphate,Ortho   300.0; 365.3; 365.2 50 mL, Glass 48 hours Cool, 4 °C
Phosphorus, Total   365.3; 365.2 50 mL 28 days Cool, 4 °C, H2SO4 to pH < 2
Residue, Total   160.3 200 mL 7 days Cool, 4 °C
Residue, Filterable   160.1 200 mL 7 days Cool, 4 °C
Residue, Non-Filterable   160.2 200 mL 7 days Cool, 4 °C
Residue, Settleable   160.5 1 L 48 hours Cool, 4 °C
Residue, Volatile   160.4 200 mL 7 days Cool, 4 °C
Specific Conductance   120.1 100 mL, Plastic or Glass 48 hours Cool, 4 °C
Sulfate 9056 300.0, 375.4 50 mL, Plastic or Glass 28 days Cool, 4 °C
Sulfide, Dissolved   376.2 125 mL, Plastic Analyze immediately NaOH + AlCl3, flocculate + settle.  Transfer liquid, preserve w/ zinc acetate, pH > 9. Cool, 4 °C

Sulfide, Total

  376.1, 376.2 500 mL, Plastic or Glass 7 days Cool, 4 °C, add zinc acetate, pH > 9

Surfactants (MBAS)

  425.1 250 mL 48 hours Cool, 4 °C

Total Organic Carbon (TOC)

9060 415.1 40 ml 28 days Cool, 4 °C, H2SO4 to pH < 2

Total Organic Halides (TOX)

9020B 450.1 500 ml, Amber glass 14 days Cool, 4 °C, H2SO4 to pH < 2

TRPH

  1664 20 g / 1 L 28 days Cool, 4 °C, H2SO4 to pH < 2

Turbidity

  180.1 100 mL, Plastic or Glass 48 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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