Cations Std. Level 4

ßß-Carotane, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17161-33-0

Metolcarb, 100 µg/ml, Acetonitrile, 5ml

Endrin, 1000µg/ml in Hexane, 1ml