EPA Method 500 Series Internal Std #4

D5-threo-Chloramphenicol, 100 µg/ml, Acetone, 1m

Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO

(+)-Isomenthone, 1g