Full Description

Utility experience under the Lead and Copper Rule was examined to provide improved insight into corrosion control. Average 90th percentile lead concentrations were highest in very low alkalinity water ( lead release was significantly reduced at higher alkalinities. Average lead releases were 20-90 percent lower for utilities using phosphate inhibitors (orthophosphates, polyphosphates, and blended phosphates) in very low alkalinity waters than for utilities not using inhibitors. At alkalinities of 30-74 mg/L as CaCO3 and at pH values however, most benefits were at utilities with pH

Product Details

Edition: Vol. 87 - No. 7 Published: 07/01/1995 Number of Pages: 12File Size: 1 file , 890 KB