alpha-Hydroxyalprazolam-d5, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 136765-24-7

Parathion-d10 (diethyl-d10), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 350820-04-1

Dibenzo[g,p]chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-68-4

PCB Congeners (10 ppm)