This month the Houston area Park Place air monitor crossed a significant threshold – concentrations of ozone were so high that the monitor violated the 3-year average for the national 1 hour ozone standard. Even though the EPA revoked the 1hr standard several years ago, opting to rely on a more stringent 8 hr standard alone to protect public health, the Houston area is still required to meet the 1hr standard (it’s part of an anti-backsliding rule, which means that even though a standard has been revoked, you must still meet the standard). Read More
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