Fenthion-oxon-sulfone, 100 µg/ml, Acetonitrile,

Perfluorooctane sulfonic acid, 100µg/mL in MeOH:Water, 1ml

1,2,3,7,8-Pentachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Oxalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 144-62-7