While the Allowance Tracking System for sulfur dioxide allowances was already established for the Acid Rain Program, the Administrator must, under Section 403, establish by regulation the Allowance Tracking System for nitrogen oxides allowances.
They were still regulated even after the program was established.
Renderings of the new office, provided by the building's architect, The Phillips Group, bear some resemblance to the agency's Church Street building in Lower Manhattan, which was contaminated with toxins during last year's World Trade Center attacks.