Esfenvalerate, 10.0 µg/ml, Ethyl acetate, 10ml

2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

bis(2-Ethylhexyl) adipate

PCB 95, 10 µg/ml, Isooctane, 10ml