Carbetamide, 100 µg/ml, Acetonitrile, 1ml

Bis(2-ethylhexyl-d17) tetrabromo[13C6]phthalate, 1.2ml x 50ug/ml, toluene

1,2,4,7/1,2,4,8-Tetrachlorodibenzo-p-dioxin mix, 1.2ml x 50ug/ml, nonane

SDWA Carbon disulfide, MIBK, Naphthalene Cal 2