EPA Method 502.2 Surrogate Standard

1,4-Naphthoquinone

1-Chloro-2-propanol + 2-Chloro-1-propanol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 127-00-4

CLP Semi-Volatile Acid Surrogate Standard, 2000µg/ml in MeOH, 1ml