Drinking water laboratory certified for LT2 compliance testing

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SOUTH BEND, IN, Dec. 19, 2013 -- Second round testing of Underwriters Laboratories Inc.'s (UL's) drinking water analytical laboratory has been certified in accordance with the Environmental Protection Agency's (EPA's) Long Term 2 Enhanced Surface Water Treatment (LT2 Rule).

UL, a company specializing in water quality and safety, is now accepting and scheduling sample testing for those Public Water Supplies required to comply with this rule as a LT2 (Round 2) certified laboratory. Accordingly, all public drinking water systems that use treated surface water or ground water that is under the influence of surface water are required to comply with this rule.

According to the EPA's Long Term 2 Enhanced Surface Water Treatment: Quick Reference Guides, systems are required to monitor their source water, calculate an average Cryptosporidium concentration, and use those results to determine if their source is vulnerable to contamination and may require additional treatment.

As in the first round of LT2 testing, the second round of LT2 monitoring continues the strong focus on monitoring Cryptosporidium to help reduce the potential health risks associated with such drinking water contaminants. Water systems with a population of 10,000 and greater will be required by the EPA to sample monthly for a total of two years, while water systems of less than 10,000 will be required to sample for E. coli bi-weekly for one year, with additional Cryptosporidium testing after.

About UL

UL is a premier global independent safety science company that has championed progress for 120 years. Its more than 10,000 professionals are guided by the UL mission to promote safe working and living environments for all people. UL uses research and standards to continually advance and meet ever-evolving safety needs. For more information, visit www.ul.com/water.

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