Simazine-2-hydroxy, 25mg

2,4,5,6-Tetrachloro-m-xylene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Phenols Standard

2,3,7,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene