Mercury in Waste Adds to Local Risk ; Out-of-State Power Plant Emissions Have More Notoriety, but Rws in Portland Is the Top Individual Source of Mercury Pollution Within Maine.

Summary


Each day, about 500 tons of southern Maine's trash gets dumped into a bunker at the Regional Waste Systems incinerator on the outskirts of Portland.

Scattered in the refuse and fed into the plant's 2,000-degree furnaces are battery-powered toys that stopped working, old thermostats and fever thermometers, spent hearing-aid batteries and broken electrical switches.

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Mercury in Waste Adds to Local Risk ; Out-of-State Power Plant Emissions Have More Notoriety, but Rws in Portland Is the Top Individual Source of Mercury Pollution Within Maine.

The items contain tiny amounts of elemental mercury and, together, they give RWS an uncomfortable distinction: Maine's No. 1 individual source of mercury pollu- tion.

As fears about mercury's harmful effects add pressure to regulate out-of-state coal-fired power plants, RWS quietly pumps mercury into the air at about twice the r...

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