Labelled Cleanup Stock Solution, 1.2ml, nonane

Dibenzothiophene in Xylene 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 S-4054-0-XY S

D5-Propachlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml

1,2,4,5-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml