WS PAH Calibration Level 4

1,5-Dihydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 117-12-4

Carboxin, 10.0 µg/ml, Acetonitrile, 10ml

Haloacetic Mix, 1000µg/ml in MTBE, 1ml