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DISASTERS: WATER POLLUTION :
MEDICAL: CONDITIONS: LEAD POISONING :
WATER SUPPLY :
DISEASES :
UNITED STATES: CITIES: FLINT, MICHIGAN :
UNITED STATES: POLITICS: POLITICAL PARTIES: REPUBLICAN PARTY, TEA PARTY :
INDUSTRIES: PETROLEUM :
LIBERTARIANISM :
AUSTERITY :
ORGANIZATIONS: NAMED ORGANIZATIONS:
AMERICAN LEGISLATIVE EXCHANGE COUNCIL (ALEC) :
EMERGENCY MANAGERS (ALEC DESIGNED MANAGEMENT BY UNELECTED OFFICIALS):
The Conversation: Understanding Flint's Remaining Water Crisis Risks
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The Conversation: Understanding Flint's Remaining Water Crisis Risks
Researchers use data analysis tools similar to Facebook and Amazons to
find areas still in danger and predict the locations of lead pipes buried
underground or hidden in residents homes
By Jacob Abernethy, Eric Schwartz
The Conversation UK
September 8, 2016
Public Health
Scientific American
http://www.scientificamerican.com/article/
the-conversation-understanding-flint-s-remaining-water-crisis-risks/
.
A shorter URL for the above link:
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http://tinyurl.com/zhs8jyg
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The water crisis in Flint, Michigan highlights a number of serious
problems: a public health outbreak, inadequate urban infrastructure,
environmental injustice and political failures. But when it comes to
recovery, the central challenge, and one that has received relatively
little attention, is our lack of useful information and understanding.The
Conversation
.
Who is most at risk? Where are the harmful sources of lead? Where should
resources be allocated? Using modern big-data tools, we can answer these
questions and help inform the response to this crisis.
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With the support of our student team at the University of Michigan, we
have aggregated a trove of available data around Flints water issues,
including water test results, records of the service lines that deliver
water to homes, information on parcels of land and water usage. Leveraging
new algorithmic and statistical tools, we are able to produce a
significantly more complete picture of the risks and challenges in Flint.
These methods strongly resemble those used by Facebook, Amazon and other
large tech companies who collect vast amounts of data from users. But
whereas Facbeooks algorithms crunch through uploaded photographs to detect
faces and Amazons models predict which products youll like, we are using
these analytics tools to detect homes with high risk of lead contamination
and to predict the locations of lead pipes buried underground or hidden in
the homes of residents.
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What have we learned? Here are a few takeaways from our research.
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snip
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The data suggest that lead contamination is associated with a number of
factors; older homes tend to be at greater risk, for instance, as are
those of lower home value. Lower-value homes also tend to be those with
the lowest rates of water sampling. Additionally, while the highest
readings are geographically scattered, the homes predicted to be at high
risk tend to cluster in specific neighborhoods.
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Media reports and political efforts have continued to focus on the
so-called water service lines that connect each house to the distribution
system in the street. The assumption is that homes with lead service lines
are most at risk for lead exposure and poisoning. As a result, much of the
attention has been on locating and replacing these lines.
.
The Michigan legislature has allocated over US$25 million toward replacing
the harmful lines, beginning with a pilot phase of roughly 250 homes. This
effort is being headed up by a team under National Guard Brig. Gen.
Michael McDaniel.
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The problem, however, is not only with lines made out of lead material:
Lead particulate can accumulate on the walls of corroded galvanized steel
pipes. Pipes made of copper or plastic, on the other hand, are generally
considered to be safe.
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But there are immediate challenges with the line replacement program. And
the most obvious is: Where are these dangerous pipes?
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The city, unfortunately, did not maintain consistent records on service
line installations and materials.
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The complete article may be read at the URL above.
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Sincerely,
David Dillard
Temple University
(215) 204 - 4584
jwne@xxxxxxxxxx
http://workface.com/e/daviddillard
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