2,4-DB-methyl ester, 100 µg/ml, Ethyl acetate, 5

Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 100ng/ml, nonane

Linuron, 100µg/ml in Acetonitrile, 5ml

Tris(2-butyloxyethyl)phosphate-d27,100 µg/mL,isooctane,1mL,