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

[13C12]Diphenyl ether, 1.2ml x 50ug/ml, nonane

3-Fluorofluoranthene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1691-66-3

Potassium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate, 50µg/ml in MeOH, 1,2ml