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Thread by @sonaar: "@elonmusk @DonAndrewBailey @haydentiff @TheFerris_Wheel @100K_Ideas @GotchuW Not sure how familiar you are with water quality or testing for […]"

6 tweets, 9 min read
@elonmusk @DonAndrewBailey @haydentiff @TheFerris_Wheel @100K_Ideas @GotchuW Not sure how familiar you are with water quality or testing for it (I work in water quality), but most of the testing being done is only looking for a handful of contaminants among potentially thousands that present public health threats.
@elonmusk @DonAndrewBailey @haydentiff @TheFerris_Wheel @100K_Ideas @GotchuW Most of the public data available at michigan.gov/flintwater/ is focused entirely on lead and copper - which obviously matter, but as @haydentiff pointed out, legionnaires killed 9 people in 2014-2015, which means the water wasn't even being treated to EPA or Michigan standards.
@elonmusk @DonAndrewBailey @haydentiff @TheFerris_Wheel @100K_Ideas @GotchuW Challenge is that if you're testing positive for Legionnaires, Lead & Copper you probably have hundreds of other contaminants - and you can't choose the right water treatment technology if you don't know what you're dealing with.
@elonmusk @DonAndrewBailey @haydentiff @TheFerris_Wheel @100K_Ideas @GotchuW Michigan has been sending out in-sink activated charcoal filtration units that are NSF certified for lead removal, but they are not safe for removing bacteria, and most people aren't being told that they only work with cold water.
@elonmusk @DonAndrewBailey @haydentiff @TheFerris_Wheel @100K_Ideas @GotchuW The bottom line is you can't start with the assumption that a test itself tells you enough to know how safe people are. That approach works really well when you start with a known water supply and known infrastructure because you only have to account for deviations from the norm.
@elonmusk @DonAndrewBailey @haydentiff @TheFerris_Wheel @100K_Ideas @GotchuW There's a real opportunity here to rethink this in Flint, because figuring it out will benefit every other public water system - not to mention prepare us for bigger problems on the horizon with climate change.
I'll email details of how we're thinking about it and our approach.
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