D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10

Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11097-69-1

Ammonium dihydrogen phosphate Modifier

Nitrite (NO2-) as N