EPA Method 1625 Semi-Volatile Standard

Heptachlor epoxide

1,4-Dichloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 1825-31-6

4-Chloro-2-methylaniline,100mg/mL,acetonitrile,1mL,