Total Petroleum Hydrocarbons (TPH) in Soil, Soil
Description
One screw-top bottle with 50 g of soil to be analyzed for TPH. Use with EPA IR or Gravimetric Methods 8440, 9071B, or other applicable methods. For CRMs, #570 contains no interfering fatty acids and #571 contains interfering fatty acids. #632 (PT) and #572QR may or may not contain interfering fatty acids. Identifying the presence or absence of fatty acids is part of the proficiency test.
0.250 mg/L C from NIST KHP -- 40 mL
Item No.
11719
Nicotinamide 50.0 ppm -- 40 mL
Item No.
19612
0.500 mg/L Inorganic Carbon from NaHCO3 - 500 mL
Item No.
15992