February 6, 2008 – Volume 9, No. 6
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This week's NEWS

Important guidance from EPA on new SDWA rules is available for use... and feedback. In the world of water treatment, the mundane, routine, regular, and reliable don't always make the headlines. What is the best way to do a cross-connection survey... and ensure 100% involvement? D.C. begins public workshops on stopping its lead-line replacement program. Research proposed on sidebar issues with changes to hypochlorite disinfection.


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Quick Links Navigation:

Federal Updates
State Updates
Cross-Connection Control
Legal Matters
Research: Hypochlorite
Lead

Water Treatment
PPCPs in Wastewater
Household Water Treatment
Fluoridation
Bottles and Water
Sodium

Iron and Manganese
MTBE
TCE and PCE
Source Water Protection
Water Reuse
International

 

Federal Updates

State Updates

Cross-Connection Control

  • Nebraska city tells customers they have to report on potential cross-connection problems (Ashland Gazette, January 31)
    Commentary: This survey of EVERY customer is apparently a mandate of the state drinking water primacy agency. While the value and validity of information obtained through this type of self-evaluation by laypersons is open to question, the certainty of 100% response is not: "If a water customer does not return the survey... the city will mail another survey. If a response is still not received, they will take further action by shutting off the water to the home or business. 'We will disconnect until we determine if there is a hazard,' he said."

Legal Matters

Research: Hypochlorite

  • AWWA and AwwaRF issue RFP on possible side effects of using hypochlorite (PDF file, 65 K)
    Commentary: This research is driven largely by the possibility that federal security legislation could force water systems to switch away from use of chlorine gas. There are also potential ramifications for compliance with other drinking water regulations because of the formation of regulated contaminants such as perchlorate, bromate, chlorite, and chlorate.

Lead

Water Treatment

PPCPs in Wastewater

Household Water Treatment

 

NEWS CONTINUES BELOW

UV Disinfection Services

Malcolm PirnieWith finalization of the Long-Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR), ultraviolet (UV) disinfection can be one of the most cost-effective treatment methods to ensure continued regulatory compliance.

To help you decide if UV disinfection is right for your water system, Malcolm Pirnie, Inc. can provide assistance throughout the design process, from technology evaluation to construction and startup assistance. Because of our long-time involvement with regulatory agencies, Malcolm Pirnie offers in-depth understanding and expertise in research projects, regulatory compliance, and design of UV disinfection facilities for drinking water and wastewater facilities. We recognize that resources are limited and can help you find alternative sources of funding, the right equipment procurement strategy, and innovative approaches for retrofitting or upgrading existing facilities.

For more information, visit our website to meet the UV disinfection experts: Christine Cotton and Sam Jeyanayagam.

 

Fluoridation

Bottles and Water

Sodium

Iron and Manganese

MTBE

TCE and PCE

Source Water Protection

Water Reuse

International


Relevant Links


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