Isocarbophos, 10.0 µg/ml, Ethyl acetate, 10ml

Simazine (ring-13C3), 100ug/ml in MeOH, 1,2ml

1,2,3-Trichloropropane

Mass-Labelled PCDD/PCDF Solution/Mixture, 200ng/ml in Nonane, 1,2ml