VPH Calibration Check Standard Rev 1.1

2,4,5-Tribromophenol, 1.2ml x 100ug/ml, toluene

3-Ethylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5599-49-5

5,6,6a,11a-Tetrahydro-11H-benzo[a]carbazole, 200µg/mL, Solvent- toluene, Unit 1mL, # of units-1, Cas.no. 112901-06-1