Houston's Novel Strategy to Control Hazardous Air Pollutants: A Case Study in Policy Innovation and Political Stalemate.

In fact, TCEQ recently proposed to remove benzene from the Texas City Air Pollutant Watch List (APWL) because “air monitoring has shown sufficient improvement over the last three years.” 36 Benzene was previously removed from the Lynchburg Ferry APWL in 2010 after a clear trend of benzene reductions was observed. 36 According to TCEQ, from 2000 to 2012, more than 90% of benzene monitors in the Houston area showed a decrease in annual average concentrations and, in 2012, all monitors had annual average benzene concentrations below the state’s AMCV. 36 Monitoring data demonstrate that HAP concentrations in Houston, including benzene and 1,3-butadiene, were decreasing before the mayor took office and continued declining throughout his six-year term; a waning trend that has generally persisted since he left office.

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