Dimethyldioctadecylammonium chloride, 100 µg/ml,

EPA 525 Spike Mix

Benthiocarb, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 28249-77-6

Perfluoro-1-hexanesulfonamide, 1.2ml x 50ug/ml, isopropanol