Ethephon, 100 µg/ml, Acetonitrile, 5ml

Lisinopril, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 76547-98-3

PCB 138, 10.0 µg/ml, Isooctane, 10ml

Desmethylmirtazapine hydrochloride,100 µg base/mL,acetonitrile,1mL