Monthly Archives: October 2010

"Plastic Water Bottles Won’t Hurt You"

I won’t have anything for you today or tomorrow, but I did come across an excellent article from John Stossel. You may have seen Mr.Stossel’s provocative reports on television. I have always found his presentations to be factual and his …
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How Much Can I Make?

Sorry to have been absent for so long, and it won’t be much better this week! But I’m here today, and that has to count for something. Perhaps the most frequent question I encounter from folks looking into the water/wastewater …
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Treatment Process Performance Measurement: Turbidity

Turbidity is, by far, the most common water quality analysis performed in a drinking water treatment plant. The modern water treatment plant will measure turbidity of the raw water and the finished water entering the distribution system. But it is …
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Important Update — New Distribution Exam Date

The State of California Department of Public Health has announced the new date for the Water Distribution Operator certification exam. See: http://www.cdph.ca.gov/certlic/occupations/Pages/DWopcert.aspx The exam originally scheduled for September 18 will now be held next January 29. That actually will work …
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Is Ethanol The Answer?

Schedule problems have kept me offline for the past few days — my apologies. And the week ahead is looking like a problem, too, so don’t be surprised if there are few posts through October 25. And I’m abandoning you …
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Your Old Pal, The Pounds Formula

With the State of California finally passing a budget, we should expect to see the State Treatment Operator exam proceed on schedule on November 20. If you’re taking the exam, you should know that, at every grade, the most common …
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Six Weeks to the State Treatment Exam — I Think

It’s just six weeks until the State Treatment Operator certification exam, which is to be held on Saturday, November 20. From what we hear on the State budget situation, the legislature finally seems close to passing a budget, possibly sometime …
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Bigger River Flows = Global Warming?

In this morning’s Los Angeles Times, Margot Roosevelt interviews two scientists regarding an interesting new finding: the world’s river flows are increasing. See: http://latimesblogs.latimes.com/greenspace/2010/10/global-warming-river-flows-oceans-climate-disruption.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+GreenspaceEnvironmentBlog+%28Greenspace%29 UC Irvine conducted a study on worldwide river outflows to the oceans, using new ‘satellite technology …
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Far More Than "Zero"

By now, you’ve probably seen the television ads for a product called “Zero Water.” Let’s take a look at this product today. See their web site at: http://www.zerowater.com/ The “zero” in Zero Water is the Total Dissolved Solids level. We …
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Hydraulic Short Circuiting — Part 2

Last week we began looking at hydraulic short circuiting. We used the visual image of a natural stream to realize that not all the water in a hydraulic structure spends the same amount of time there. And time is critical …
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