Lead above the U.S. Environmental Protection Agency (USEPA) Action Level was detected in water of new buildings on the University of
North Carolina at Chapel Hill (UNC) campus. To protect public health while the problem was
assessed and remediated, fountains were turned off, bottled water was provided to building
residents and public education materials were distributed. The problem with high lead was
successfully mitigated by: eliminating hyperchlorination, flushing debris from the lines
and thoroughly cleaning aerators; and, implementing commissioning procedures for new
endpoint devices to more rapidly passivate surfaces and remove labile lead deposits. More
stringent leaching standards from NSF International (NSF) and use of unleaded (<0.3% lead
content) devices might eliminate this issue in new construction over the long term, but until these
new standards and materials come into common use, potable water in newly constructed
buildings remains vulnerable to relatively high lead in water. Includes 13 references, tables, figures.
| Edition : | Vol. - No. |
| File Size : | 1
file
, 790 KB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 17 |
| Published : | 11/01/2008 |
