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Old December 14, 2010, 11:43 PM   #29
JohnKSa
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Join Date: February 12, 2001
Location: DFW Area
Posts: 24,969
Metallic lead is pretty much a non-issue in groundwater contamination.

http://www.handgunsmag.com/tactics_t...810/index.html
"Scientists at Virginia Tech studied lead bullets on battlefields ranging from 18th century sites to the present. Despite literally hundreds of years of exposure to the elements, the projectiles were quite well-preserved. Turns out, a protective, relatively insoluble coating soon forms around spent lead bullets.

Patterson adds that even in more acidic soils, where the breakdown of lead might be expected, clay and organic materials usually absorb the metal.

“By and large,” Patterson says, “lead contamination at outdoor shooting ranges just isn’t an issue.”"
http://www.mwcog.org/environment/wat...y/lead/faq.asp
What happens to lead when it enters the environment?
When released to land, lead binds with the soils and does not migrate to ground water.
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