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EnviroTech :: Regulatory

EPA Revises Annual Standard for Soot to 12-13 Mg/Cu Meter

11:04 AM MDT | June 15, 2012 | Kara Sissell

EPA says its proposed rule for particle pollution, or soot, would revise the annual standard for fine particles (PM-2.5) from 15 micrograms per cubic meter (mg/cu meter) to 12-13 micrograms mg/cu meter. EPA’s science advisory experts had recommended an annual standard for fine particulates of 11-13 mg/cu meter. The daily standard for PM-2.5 and for coarser particles known as PM-10 will remain unchanged, says Gina McCarthy, EPA assistant administrator/air and radiation. However, McCarthy says that most U.S. counties are already “on the path” to...

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Comments (1) for EPA Revises Annual Standard for Soot to 12-13 Mg/Cu Meter
Wonder how EPA proposes to reduce background concentrations of PM 2.5 to the suggested range? All one has to do is look at current measurements to see this as unattainable.
Posted by DM on Friday, June 15, 2012 @ 12:28 PM

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