Parameters |
Analytical Method |
Sample Container |
Preservation |
Holding Times |
Volatile Organic Compounds |
SW8260A |
Three 40-mL glass vials with Teflon-lined septum |
HCl to pH<2; Cool to 4șC±2șC |
14 days |
Semivolatile Organic Compounds |
SW8270B |
One 1-liter widemouth amber glass jar with Teflon-lined lid |
Cool to 4șC±2șC |
Extract within 7 days of collection and analyze within 40 days of extraction |
Explosives |
SW8330 (lab modified) |
One 1-liter widemouth amber glass jar with Teflon-lined lid |
Cool to 4șC±2șC; Store in the dark |
Extract within 7 days of collection and analyze within 40 days of extraction |
ICP Metals (Barium, Chromium, Copper, Nickel, Zinc) |
SW6010A |
One 500 mL plastic bottle |
HNO3 to pH<2; Cool to 4șC±2șC |
180 days |
Arsenic, Cadmium, Lead |
SW7060A, SW7131, SW7421 |
One 500 mL plastic bottle |
HNO3 to pH<2; Cool to 4șC±2șC |
180 days |
Mercury |
SW7470A |
One 500 mL plastic bottle |
HNO3 to pH<2; Cool to 4șC±2șC |
13 days |
HNO3 = nitric acid |