New BAT Standards: Lowering the Ceiling or Raising the Floor?
Over the last several months, under pressureof court-ordered deadlines, the Environmental Protection Agency (EPA) has been promulgating long overdue Clean Water Act best available technology (BAT) standards for toxic pollutants. In the final BAT effluent limitations guide-lines BAT often is the same as the best practicable technology (BPT). Where the new BAT is more stringent than BPT, the difference is relatively small and potentially more effective technologies were rejected.