2,4,5-T-methyl ester, 100 µg/ml, Acetonitrile, 1

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

2,4,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Endrin ketone, 100 µg/ml, Acetonitrile, 1ml