WP Low Level Perchlorate

Triazophos, 100 µg/ml, Acetonitrile, 5ml

delta-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 319-86-8

Ethylisopropylnitrosamine, 100 µg/ml, Methanol,