Free Cl was measured using a colorimetric method (DPD) with a
HACH Pocket Colorimeter II. Turbidity wasmeasured with a turbidimeter
HACH 2100 N. TOC concentrations were obtained using the carbon
analyzer SIEVERS 5310 C from General Electrics completed with an
automatic sample passer SIEVERS 900. Bromide was analyzed using
method MA 303–Ions 3.1 of the Centre d'expertise en analyze en
Environnement de Québec.