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 ...

The optimal selection of control technologies to limit mercury emissions depends on the type of coal-fired unit (new or existing), the rank of the coal and existing emission control systems.

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.

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 ...

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 ...

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 ...

EPA is proposing to reduce the non-mercury metal surrogate filterable particulate matter ("fPM") emission standard for all coal-fired EGUs to 1.0E-02 lb/MMBtu. EPA is further proposing that ...

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 ...

Congress in 1990 first required the EPA to set mercury emission standards for the plants by 2000, but the agency never did. “Instead the agency has allowed it to build up for the last 20 years ...