EPA Adopts Minimalist Approach In CO Assessment Due To Few Monitors

摘要

EPA's new draft risk and exposure assessment for carbon monoxide (CO) takes a first-time minimalist approach that reflects a decline in the number of air monitors nationwide, while acknowledging prior criticism leveled at the agency by its scientific advisers over a lack of ambient monitors.rnBut EPA also notes that fixed monitors have a limited ability to address CO spikes near roadways-the area of most concern to environmentalists who sued the agency to force it to review the adequacy of its national ambient air quality standard (NAAQS) for CO.