Calibration Std. #2

9,10-Phenanthrenequinone,1000 µg/mL,toluene,1mL

2,3,7,8-Tetrachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

2-n-Butylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4265-27-4