Heptachlor, 100 µg/ml, Ethyl acetate, 1ml

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

Tetraoctadecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63462-99-7

Drinking Water Standards Kit