Monthly Archives: October 2011

Top Ten Chlorine Questions

The Water Treatment Operator certification exam will be three weeks from tomorrow here in California.  Chlorination is probably the topic with the most questions on the exam.  So I am posting a repeat blog for you from about this time …
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What Price Water?

Thanks to my friend Bill for forwarding a recent article from the San Diego Union-Tribune.  In it, Dutch economist David Zetland describes how water is priced very differently from other commodities in our society.  He contends that this robs us of …
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Chlorine Math Course Now Available

We have just posted our tenth course here at MOST.  It is on Water Math with Chlorine, which is the most common topic on certification exams.  With the next certification exam here in California just over four weeks away, several …
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Five Weeks Until State Exam!

Here’s a gentle reminder that you need to do a little studying this weekend, if you are taking the Water Treatment Operator certification exam here in California on November 19.  There are only five weeks left.  Commit to a couple of …
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The Pounds Formula: Online Now!

We just posted MOST Course WM-6, Chemical Dosage Calculations: The Pounds Formula.  As you prepare for any grade of Treatment Operator license, this is the MOST important mathematical relationship for you — by far!  So, we’re very happy to have …
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Water and Politics

There’s a famous quote from Mark Twain about water in the Western United States:  “Whiskey is for drinking; water is for fighting.”  It seems water and politics are thoroughly entwined.  I happened across an interesting, 5-minute video clip on this very …
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Treatment Exam is November 19

Well, it’s time to start bugging you about preparing for the next State exam here in California.  Grades 1 – 4 for Water Treatment Operator certification will be examined in just six weeks, on November 19.  If you’re taking the …
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Conversions — The Most Important Math Skill

Subscriber Michael was facing a math problem that asked him to covert a flow rate of milliliters per minute (mL/min) into gallons per day (GPD).  This is the most common type of operation you will encounter in water math: the …
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My Water Stinks!

My old friend Jim Green at the Metropolitan Water District of Southern California apparently “pulled the short straw” and had to speak to the press about a water quality issue facing a few million people in the Inland Empire region …
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