EPA Proposal Would Allow Major Sources to Reclassify
Under a new EPA proposal, a major source of hazardous air pollutants (HAPs) could be reclassified as an area source at any time by limiting its potential to emit (PTE) HAPs to below the major source thresholds of 10 tons per year (tpy) of any single HAP or 25 tpy of any combination of HAPs. […]