Total Residual Free Chlorine (Cl)

5-tert-Butyl-m-xylene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 98-19-1

3,3',4,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

n-Heptacosane, ?13C: -25.48, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 593-49-7