EPA Method 418.1 - Total Petroleum Hydrocarbons

17 alpha(H),21 alpha(H)-30-Nor-29-methylhopane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Nitrate (NO3-) as N, 100µg/ml in Water, 100ml

4,4’-Methylene bis(2-chloroaniline)