Semi-Volatile Internal Standard

alpha-Zearalanol, 10.0 µg/ml, Acetonitrile, 1ml

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 13250-98-1

Diltiazem hydrochloride, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 33286-22-5