The Southern Iowa Rural Water Association (SIRWA)
supplies 26.5 million liters per day of treated water to more than 30 communities in Iowa, USA, through five distribution systems and 6000 kilometers of pipeline. Managing disinfectant residual throughout...
or several years, the King County South Treatment Plant in
Renton, Washington, USA, had used the turbidity of underflow from
dissolved air flotation thickener (DAFT) tanks to control polymer
dosing via an automated single-loop-cascade control system. ...
SPCC plans are written documents that describe the steps a facility must take to prevent oil spills and to minimize the risk of harm to surface waters in the event of a release or oil spill. SPCC Plans are a requirement of the Federal Oil Pollution Preven...