N-Nitrosodiethylamine, 100 µg/ml, Methanol, 5ml

2,2',3',4,4',5,6'-Heptachloro-3-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

o-Terphenyl

Acetochlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml