(13C10)Kepone, 1.2mL x 100ug/mL, nonane

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

Terbuthylazine, 100 µg/ml, Acetonitrile, 5ml

Carbonyl DNPH Derivative Mix, 100µg/ml in AcN, 1ml