Cyanofenphos, 100 µg/ml, Acetonitrile, 5ml

Demeton-S-methyl-sulfoxide, 100 µg/ml, Ethyl acet

Custom mix of naphthalenes, diluted Same components as S-4747, at lower concentrations 0711.10 Naphthalene 92µg/mL 0713.11 2-Methylnaphthalene 233 0721.12 1,2-Dimethylnaphthalene

Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane