EPA Method 552,552.1,552.2 Internal Std

Chlorobenzuron, 100 µg/ml, Acetonitrile, 1ml

Coprostan-3-ol

Dibenzo[cd,n]naphtho[3,2,1,8-pqra]perylene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 109278-09-3