EPA Method 552 Internal Standard

Amitriptyline hydrochloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 549-18-8

Cyclopentylmethylsulfide,neat,neat,1g,

Citreoviridin, 100µg/mL, Solvent-dried down, Unit 1mL, # of units-1, Cas.no. 25425-12-1