it was stated that the series of bands which appear in absorption of the unexcited vapour in the region from λ2943 to λ2614 could be obtained in fluorescent emission by exciting with the iron ...

WASHINGTON – The Environmental Protection Agency is proposing to roll back mercury emission standards applied to power plants by significantly devaluing the health benefits that justified the ...

If the air temperature increases, the legacy mercury emission from the soil will increase,” Sun says. Mercury in its gaseous form is not harmful to humans, but when it mixes with water it can ...

In the first study to examine mercury across a spectrum of fish in the six-state ... has moved to relax an Obama era mercury emission regulation at such plants, citing its cost.

Mark Sandheinrich (a co-author on paper, and in stern of canoe) and Sean Bailey from the University of Wisconsin-LaCrosse, fish shocking in Shoepack Lake to collect year-old yellow perch.

WASHINGTON — Federal limits on mercury emissions from power plants ... did not have to consider costs until it sets specific emission levels, and that it did not have to decide on each air ...

Replacing the cadmium atoms with mercury atoms instantly shifts everything into the infrared spectrum, with all the desired quality retained: strong light absorption, strong light emission and ...

A federal appeals court struck down a Bush administration policy which would have allowed some power plants to exceed legal emission levels of mercury, ruling Friday that the government failed to ...

EPA’s new update to the rule eliminates that loophole and will require them to meet the much tighter mercury emission limit already in place for other coal-burning power facilities. Last year ...