Heptenophos, 10.0 µg/ml, Acetone, 10ml

Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-53-2

delta-HCH, 10.0 µg/ml, Cyclohexane, 10ml

Chromium (Cr)