Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml

D4-Ethephon, 100 µg/ml, Acetone, 1ml

WP & DMRQA Low Level Chlorine

Sodium(1H,1H,2H,2H-perfluorooctyl-1H,1H,2H,2H-perfluorodecyl)phosphate, 50µg/ml in MeOH, 1,2ml