Zilpaterol hydrochloride, 100 µg/ml, Water, 1ml

2,2',3,4,4',5',6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-69-1

Sodium arsenate dibasic heptahydrate (As)

2-Nitrofluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 13177-29-2