Internal/Injection Standards, 1.2ml, toluene

delta-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 319-86-8

Method 429 Recovery Standard Solution, 100µg/ml in Isooctane/10% toluene, 1,2ml

Sotalol HCl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 959-24-0