Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane,

Bolstar, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 35400-43-2

Sodium perfluoro-6-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol

Desphenyl chloridazon-15N2, 100µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.