May 23, 2007 – Volume 8, No. 21
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This week's NEWS

"Aquanoia" hits Minnesota locale where trace amounts of chemicals have been found in ground water. Federal research on hexavalent chromium shows unexpected carcinogenicity. With arsenic, there is always some type of residuals issue. More Ontario, Canada, systems find elevated lead at customers' taps. First it was what's in bottled water... now they want to know where it came from.


Check out these new opportunities!

Assistant Department Head, Facilities Management-Engineering (Placerville, CA)
Senior Engineer (Placerville, CA)
Maintenance Mechanic I (Granada Hills, CA)
Chemist I (Mesa, AZ)
Your Job Here! – Now sent to more than 6100 subscribers!

Many more jobs and resumes on the Job Reservoir website


 

Quick Links Navigation:

Federal Updates
Chromium
Arsenic
Lead
Perchlorate
Cross-Connection Control
PCE

Water Treatment
Radium
Source Water Protection
Fluoridation
Perfluorochemicals
Water System Recognition
Bottled Water

Carbon Tetrachloride/TCE
MTBE
Pesticides
PFOAs
Desalination
Water Reuse
Conferences

 

Federal Updates

Chromium

  • NIEHS research: Hexavalent chromium in drinking water causes cancer in lab animals (NIEHS press release, May 16)
    Commentary: What has been generally viewed as a California issue may get broader attention with the results of this study. The background is that there currently is no MCL for Hexavalent chromium and USEPA raised the Total Chromium MCL from 50 to 100 ppb a few years ago (although California kept theirs at 50).  

Arsenic

Lead

Perchlorate

Cross-Connection Control

PCE

Water Treatment

Radium

Source Water Protection

Fluoridation

 

NEWS CONTINUES BELOW

Is Your Utility Considering a Switch to Chloramines?

Quality services that ensure safe drinking water -- McGuire Environmental Consultants, Inc. Malcolm Pirnie is on the cutting edge of developing and implementing techniques for converting to chloramines and managing nitrification. Our more than 20 years of experience in this specialty includes converting two systems serving 18 million people to chloramines, consulting on several others, and ensuring high-quality chloraminated water in dozens of other utility systems. If your utility is considering chloramines, or if you are experiencing nitrification or other issues with your current conversion, we can help.

Please visit our website to learn more or contact Michael McGuire at mmcguire@pirnie.com for more information.

 

Perfluorochemicals

  • Updates on PFCs in Minnesota (Pioneer Press, May 19); some people in the area are ailing and they blame the water (Pioneer Press, May 20)
    Commentary: The same "outbreak" has occurred in a lot of places! "...
    All blame Washington County drinking water, in which traces of chemicals... have been found. No one doubts that the ailments are real. But state officials say there is no measurable increase of health problems there compared to other areas. Scientists say the chemicals in question are not considered harmful to humans at the levels that have been detected. If there is any outbreak, say experts, it's a case of what could be called 'aquanoia' - fear that your water is hurting you."

Water System Recognition

Bottled Water

Carbon Tetrachloride and TCE

MTBE

Pesticides

PFOAs

Desalination

Water Reuse

Conferences


Relevant Links


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