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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 |
24 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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