EPA Method 515.1 Internal Standard

Tetrabenazine, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 58-46-8

Ethylene thiourea, 250mg

(2RS)-2-[4-(2-Methylpropyl)phenyl]propan-1-ol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 36039-36-8