2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200)

Sebuthylazine, certified, 0.25g

Method 1668A/B Calibration Solution [CS2], 5ng/ml in Nonane, 0,2ml

1,2,4,6,7-Pentachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.