However, Stan Woznicki, the agency's counter-pollution officer, said a legal discharge "would be highly unlikely to result in the sort of contamination we have seen".

BBC: Richard Drax MP to question government over bird pollutant

Ms. VICKIE PATTON (Environmental Defense): EPA has, in a number of instances, taken a step back from its proposal and instead will allow some of these high-polluting, older coal plants to continue to discharge smog-forming and haze-forming pollution at a level that doesn't really reflect what today's modern pollution control technology can, in fact, achieve.

NPR: E.P.A Proposes New Rules on Haze