Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml

n-Heptacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 593-49-7

Milbemectin A4, 100 µg/ml, Acetonitrile, 1ml

Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane