IP 391-95 Calibration Level 2

8-Bromo-2,3-dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 10ml

2-Naphthylamine, 100 µg/ml, Acetonitrile, 1ml