Total Residual Free Chlorine (Cl)

α-1,2,5,6,9,10-Hexabromo[13C12]cyclododecane, 1.2ml x 50ug/ml, toluene

Chlorfluazuron, 10.0 µg/ml, Cyclohexane, 10ml

4-n-Octylphenol-mono-ethoxylate, 10mg