Dibromoacetic acid, 100 µg/ml, Acetonitrile, 1ml

n-Hexyl 4-hydroxybenzoate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1083-27-8

beta-Endosulfan, 100 µg/ml, Methanol, 1ml

ASTM Benzene Amp#2