Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml

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

Diisohexyl phthalate (Technical grade)

2,2,3,4,4,6-Hexachlorobiphenyl,BZ-139