Tag Archives: microbiology

Algae and Sewage at Cal Poly SLO

If you take the time to read my bio, you’ll see that I am a graduate of Cal Poly, San Luis Obispo.  Yeah, that always get shortened to SLO.  I also grew up in that area, and my first job …
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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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The Red Tide and Dino-What?

According to the Los Angeles Times today, San Diego County is experiencing a “Red Tide.”  See: http://www.latimes.com/news/local/la-me-0930-red-tide-20110930,0,3610014.story During a red tide, the sea water appears to have a reddish-brown tinge during the day.  Not too exciting.  During the night, however, …
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New Courses Available

We have recently added two more courses to our list, bringing the total to six.  The first course is available in each of our Distribution, Treatment, Quality, and Math categories.  Each of these is a great introduction to these critical …
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WM 9 – CT Calculations

This course will present the CT Calculation defined by the Surface Water Treatment Rule, using the general formula of CT = Concentration x Time.  Several example problems will be presented, so that the student will be able to understand the …
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WQ 4 – Microbiology for Operators

This course provides an overview of the science of microbiology, as it applies to water quality regulations and treatment operations.  Different forms of microorganisms are discussed, as well as a few basic laboratory techniques.  Course intended for Water Operator contact …
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Biochemical Oxygen Demand, Part Deux

I reported to you about a week ago that we passed the 10,000 visits mark on this site. Thanks again to all. We just passed the 11,000 mark two days ago, so the site remains much more popular than I …
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Coliform Analysis Method #3

In recent posts we have examined the importance of Coliform analysis, and looked at two of the three approved methods for Coliform analysis in drinking water: Multiple Tube Fermentation and ColiLert. Today we examine the third method, Membrane Filtration. The …
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Algae: Our New Energy Friend?

Stop the presses! I actually just read a story in today’s LA Times that didn’t make me crazy. See: http://www.latimes.com/news/science/la-sci-biofuels-20100805,0,7105447.story (Note that today’s graphic is from the same story.) Consistent readers of this blog will recognize a few themes that …
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The Oceans Are Getting Clearer!

My first real job was a lab assistant position with the County of San Luis Obispo, while I was a senior in high school. My main duty was to clean laboratory glassware. That’s right: I was a glorified dishwasher. But …
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Death to the Respirators!

Do you want the Earth to be destroyed? Does anyone? Really? Is there one single sane person on this planet that really, really wants to destroy the Earth? Of course not. But that’s not how the debate on global warming …
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Pay No Attention to the Man Behind the Curtain!

Remember that great line from “The Wizard of Oz”?  Toto had pulled back the curtain, revealing the “wizard” for what he was: a fraud.  With the recent revelations about data manipulation and loss from some of the key scientists involved …
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Science and Soda Pop

  I can’t let the closing of the conference in Copenhagen pass without some comments on global warming.So let’s take a quick look at an important property of that “evil” substance, carbon dioxide: solubility.Time for an experiment! Take a can …
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