Low Level Hexavalent Chromium

Pyriproxyfen, 100 µg/ml, Acetonitrile, 5ml

11-Deoxycortisol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 152-58-9

1,2,3,4,6,7,9-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene