Tag Archives: disinfection

It’s time to learn how to wash our hands- again.

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Given the Covid-19 pandemic, I am updating this post from 2016.  (This is the third in the series about the pandemic.  Here’s one and two.)  Because – at least for now- the best way we can ensure that we are not among those visited by the virus is to wash our hands often- and correctly.

Continue reading It’s time to learn how to wash our hands- again.

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Choose well. Not sure we did.

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When I first began designing water treatment (and water reuse) systems back in the 1970s, the primary method used to ensure that microbial populations were kept at bay was chlorination.  At least in the States.  Europe relied on ozonation.  (Think about this for a second- when so many of your population was killed by chlorine gas during war time, you have a hard time thinking it’s a good thing to use to render your water safe.)

Continue reading Choose well. Not sure we did.

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