alpha-HCH-d6, 10µg/ml in Cyclohexane, 5ml

4-Ethylcatechol, 100 µg/ml, Methanol, 10ml

Ethylbenzene-d10, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 25837-05-2

Chlorpyrifos, 10.0 µg/ml, Acetonitrile, 10ml