Peripheral Tunnels

We may need to discontinue our subscription to the Los Angeles Times — we’re not sure that our blood pressure can handle it any longer.  It’s not really the Times’ fault — this time.  Their Bettina Boxall is merely reporting …
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MOST To Provide Water Curriculum For California Community Colleges

How do we determine what gets presented in the water programs in California Community Colleges?  It has always been left up to the individual instructors to answer this question.  And almost every such instructor has only part-time, temporary status.  In fact, although …
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Chlorine and Typhoid

About a month ago we noted a new blog on the water scene from our colleague Michael McGuire.  He has a great post today that we strongly recommend on the history of the use of chlorine for drinking water disinfection.  …
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“Ooh, Ooh, That Smell!”

“The smell of death surrounds you.” (Photo from Los Angeles Times) If you are a fan of the rock band Lynyrd Skynyrd, you will recognize the title for today’s blog and the caption for today’s photo.  However, Skynyrd was not …
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Chromium from Disney?

We’re back after a nice vacation to a much cooler part of the world than our current abode in Valencia, California:  Alaska.  There is much to catch up with, and we apologize for those who contacted us last week.  We’re …
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Safewater Team

Everyone who has taken even one of our classes has heard this statistic: over 4,000 children die in this world every day from waterborne disease.  (That is according to the World Health Organization, in a 2009 report.)  That makes this …
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Aquarium of the Pacific

One of Southern California’s real gems is the Aquarium of the Pacific.  If you haven’t been there, you should really plan to do so, and make sure you take the whole family.  (Today’s photo is from there.)  And while you’re there, …
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Total Coliform Rule Course

It’s been a little while, but we have just completed a new course here at MOST.  It is Water Quality – 5, the Total Coliform Rule and Measuring Coliforms.  We had been wanting to add this one for quite some …
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Volatile Organic Chemicals

My local paper this morning let me know that there is something present in my water that normally is not there: volatile organic chemicals, or VOCs.  Should I be alarmed?  That depends.  See:  http://www.the-signal.com/section/36/article/68347/ I’m used to it now, but …
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Polio: Waterborne Virus

Homo sapiens have enemies.  And we don’t mean science fiction enemies from other planets.  No, right here on Planet Earth, we have other life forms that seek to harm us.  We call these pathogens.  As the dominant species on our …
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Ozone and Bromine

Here’s another inquiry from a Subscriber:  “I have a hot tub.  The hot tub has an “ozone generator” which creates a steady stream of small bubbles through the pool.  The recommended treatment system is bromine, which I am maintaining according …
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Tier II Violation

Buried in the “Public Notices” portion of my local newspaper, I found a notice from my local water agency.  Its title was “Important Information About Your Drinking Water.”  The subtitle stated that the “Agency Did Not Meet Treatment Requirement (Turbidity).”  …
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Biochemical Oxygen Demand Questions

I receive e-mails from folks every day, asking about different water quality/water treatment/ environmental issues.  I guess they have learned where they can find MOST definitive answers!  (I suppose there are other explanations, too.)  Here’s the latest: I am an …
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Algae and Slow Sand Filters

I just received the following message from Mike in northern California: “I am noticing changes in filter bed activity. I have some beds with algae dying, and some beds without algae at all.  The filter beds usually have a nice …
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Biochemical Oxygen Demand

We recently reported that our old blogspot site has been visited over 30,000 times.  Again, our thanks!  Over the 18 months of posts there, the one most visited was on today’s topic, Biochemical Oxygen Demand.  BOD is the most important …
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