EPA Surface Ozone Readings are Inflated by Mercury Vapor – The EPA has known about posive biases caused by mercury vapor since 1999
Guest essay by Forrest M. Mims III
Accurate ozone measurements are required by the Clean Air Act, for public health, many jobs and billions of dollars are at stake. Yet since 1999 the EPA has failed to acknowledge erroneous ozone measurements biased upward by mercury vapor and other interferences.
Measurement error may apply to a supposed ozone spike in San Antonio on October 3, 2016, for on that day much of Texas was blanketed by smog and mercury vapor from coal-burning power plants. San Antonio may now be subject to EPA sanctions for a violation it may not have committed.
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