beta-HCH, 100 µg/ml, Ethyl acetate, 5ml

Methidathion, 100 µg/ml, Ethyl acetate, 5ml

Methylnonylbenzene (Isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53657-85-5 / 18849-95-1 / 87630-23-7

Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml