Tag Archives: pm2.5

NASA Satellite Data Show Pollution Controls Work in SoCal

The study, which focused on the four major components of PM2.5, was recently published in the journal “Atmospheric Environment.” This type of pollution denotes particulate matter that is less than 2.5 microns in diameter, or about 3/100ths the diameter of a human hair. PM2.5 is especially burdensome in California and accounts for the greatest percentage of health impacts attributable to air pollution. Continue reading

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EPA Proposes Soot Pollution Standards under Court Order

Depending on the final level of the standard, estimated benefits will range from $88 million a year, with estimated costs of implementation as low as $2.9 million, to $5.9 billion in annual benefits with a cost of $69 million – a return ranging from $30 to $86 for every dollar invested in pollution control.

While EPA cannot consider costs in selecting a standard under the Clean Air Act, those costs are estimated as part of an analysis now undertaken for all significant regulations, as required by Executive Order 13563 issued by President Obama in January 2011. This genuine reform is a fact apparently unknown or ignored by the presumptive Republican presidential candidate who says he require such and analysis if elected. Continue reading

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