WA EPH Fractionation Check Standard

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

Tetra-n-butyltin, 1000 µg/ml, Methanol, 5ml

Mecoprop, 100 µg/ml, Acetonitrile, 5ml