Subj : dirtiest: `Green' biomass
To   : AUGUST ABOLINS
From : Mike Powell
Date : Fri Oct 15 2021 09:07:00

>  KW> A tire that's been ground into highway asphalt for its'
>  KW> entire life, then ground up to make cushioning that your
>  KW> kid will play soccer on? Seems safe!

> They do that?!?  They take old asphalt and repurpose it on
> soccerfields?   Sounds like that no one is concerned about any
> health risks.

No, they ground up tires that have been driven on highways their entire
lives and put those into playing fields.  I am not sure that soccer is the
best example as those are usually covered in grass and don't
(intentionally) have dirt patches.

On the other hand, in Louisville, KY, there used to be soccer fields that
were intentionally built on top of former land fill.  They were used for
several years.  Then, one year, they were used for a giant concert.  It
rained A LOT in the days leading up to the concert.  When they tried to
haul in the heavy equipment, like the stages, they started having issues
with things sinking.  They had to cancel for that year.

If I remember right, they got to looking more closely at the site and
realized that some of the waste below the surface was "leaking" substances
that could be harmful to humans.  They moved the concert for future years, and
I don't think they use it for youth soccer any more.  I am not sure about that
last part because I usuallly watch the news from another nearby city and don't
remember how that issue turned out.


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