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• n  the process of leaching
• v  cause (a liquid) to leach or percolate
• v  permeate or penetrate gradually
• v  remove substances from by a percolating liquid

• As the plastic bakes in the sun, it slowly breaks down, leaching toxic chemicals into the water that may harm fish and eventually us, when we eat them.
• The power had long been leaching out of the central authority in the Kremlin, and it was the leaders of the key republics that everyone looked to for salvation.
• The marketing coordinator was concerned about what the chemicals leaching out of some common types of plastic might be doing to her body.

• leach
• percolate
• strip

News & Articles

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• Partial cleanup of abandoned Douglas County copper mine estimated at $5 million
  The now-defunct Formosa Mine near Riddle is leaching toxic metals into a tributary of the Umpqua River.
  June 13, 2013 - The Oregonian
• Toxic waste left at abandoned Douglas County mine
  EUGENE, Ore. (AP) — The Environmental Protection Agency estimates it will cost more than $5 million for a partial cleanup of an abandoned copper mine in Douglas County that is leaching toxic metals into a creek that feeds the Umpqua River.
  June 13, 2013 - KTVZ Bend
• Regulators repeal, replace pit rule
  The rule, approved in 2009, required companies to line waste pits and to ultimately remove waste from the well sites as part of a closed loop system. The intent of the rule was to prevent oil and gas drilling mud waste from leaching into groundwater.
  June 7, 2013 - Santa Fe New Mexican

Quotes

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• Jim Prentice in Toronto Sun
  But Prentice said he has raised the issue with scientists in his department and "I am told that there is no scientific evidence to support the thesis that there's leaching from the oilsands tailing ponds into the Athabasca River. I have indicated to...
• Mark Serwotka in Birmingham Post
  PCS general secretary Mark Serwotka added: "The obsession with the market has led to tens of millions of pounds worth of work leaching away from the FSS, which was formerly a world leader, to a small number of competitors whose sole purpose is...
• Raul Grijalva in Green Valley News
  In Arizona, hardrock mining has left behind a legacy of contaminated lands and rivers, abandoned mines leaching poisonous metals into groundwater, and other hazards to the public,said Rep. Raul Grijalva, D-Ariz.