EPA Method 525 Internals & Surrogates

Dibenzo[b,k]chrysene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 217-54-9

6:2 DiPAPS, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no. 57677-95-6

4-Acetamidoantipyrine, 10.0 µg/ml, Acetonitrile,