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

Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane

Bentazone-8-hydroxy, 100 µg/ml, Acetonitrile, 1m

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.