Hexavalent Chromium (Cr 6+)

alpha-Hydroxyalprazolam-D5

n-Perfluorodecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-76-2

Dieldrin, 10.0 µg/ml, Ethyl acetate, 10ml