Sodium perfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol

Bishomohopane, Isomer mix, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Parathion-ethyl, 100 µg/ml, Cyclohexane, 1ml

1,2,3,8,9-Pentachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.