OLC 3.2 Continuing Calibration Solution

2-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-31-2

2,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml

Tetraphenylrecorcinol bis(diphenylphosphate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57583-54-7