Bupirimate, 10 µg/ml, Ethyl acetate, 10ml

Deltamethrin, 1000µg/ml in HE :acetone [9:1], 1ml

Pentachlorophenol-13C6, 100µg/ml in MeOH, 5ml

2,2',5,5'-Tetrabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane