ASTM D-5441MTBE Contaminant Low Conc

n-Hexatriacontane, ?13C: -26.15, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 630-06-8

trans-Permethrin (isomer mix), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 61949-77-7

Didecyldimethylammonium chloride, 100 µg/ml, Acet