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

Ethanol standard in serum,2.0g/L,serum, 1.5mL

Mefenpyr-diethyl, 100 µg/ml, Acetonitrile, 5ml

2,6-Dibromodiphenyl ether, 1.2ml x 50ug/ml, nonane