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

2-n-Octylphenol-mono-ethoxylate, 100 µg/ml, Aceto

2,2',3,4',5,5',6-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

Individual Calibration Solutions, 500ul, nonane