Pentachlorphenol-13C6, 100µg/ml in MeOH, 1ml

Fenchlorphos-oxon, 100 µg/ml, Acetonitrile, 1ml

Ethyl phthalyl ethyl glycolate, 1000mg

1,2,3,7,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene