IP 391-95 Calibration Level 4

2,2',3,4',6,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

2,4-Dimethylolphenol, neat, Solvent-neat, Unit 1g, # of units-, Cas.no. 2937-60-2

Iopamidol, 100µg/ml in MeOH, 1ml