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

Disulfoton-sulfoxide, 10µg/mL in Cyclohexane, 10ml

1,3,4,6,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

4-Amino carminic acid, 10mg