| Parameters | Analytical Method | Sample Container | Preservation | Holding Times |
| Volatile Organic Compounds | SW8260A | One 4-ounce widemouth glass jar with Teflon-lined lid | Cool to 4�C�2�C | 14 days |
| Semivolatile Organic Compounds | SW8270B | One 8-ounce widemouth glass jar with Teflon-lined lid | Cool to 4�C�2�C | Extract within 14 days of collection and analyze within 40 days of extraction |
| Explosives | SW8330 (lab modified) | One 8-ounce widemouth glass jar with Teflon-lined lid | Cool to 4�C�2�C | Extract within 14 days of collection and analyze within 40 days of extraction |
| ICP Metals (Barium, Chromium, Copper, Nickel, Zinc) | SW6010A | One 8-ounce widemouth glass jar with Teflon-lined lid | Cool to 4�C�2�C | 180 days |
| Arsenic, Cadmium, Lead | SW7060A, SW7131, SW7421 | One 8-ounce widemouth glass jar with Teflon-lined lid | Cool to 4�C�2�C | 180 days |
| Mercury | SW7471A | One 8-ounce widemouth glass jar with Teflon-lined lid | Cool to 4�C�2�C | 28 days for glass; |