4-Hydroxy-4-methyl-2-pentanone, certified, 5ml

Hexachlorobenzene, 1.2mL x 100ug/mL, 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

Dichlorprop-P, 100 µg/ml, Acetonitrile, 1ml