2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Trimethylamine, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 75-50-3

Triethylene glycol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 112-27-6

Continuing Calibration Verification Standard (CCV)