Isoxathion, 10 µg/ml, Ethyl acetate, 10ml

Toluene, 10ml

Mass-Labelled Mono-Ortho PCB Mixture, 5.00µg/mL in Nonane/8% toluene 1,2ml

1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride,50 µg/mL,toluene,1mL,