Air Permit Name Description Category: Air Air Curtain Incinerators - General Title V Air Permit New Air Curtain Incineration (ACI) Units only burning the following: 100 percent wood waste; 100 percent clean lumber, and 100 percent mixture of only wood waste, clean lumber and/or yard waste. Construction and Operation (Greenfield) Permit Construction or modification of a source or the operation of a source that emits pollutants into the air. Certain exemptions apply. General Air Permit Facilities in one of the following categories: emergency generators, concrete batch plants, cotton ginners, or yarn spinning plants that are not otherwise exempt under 2Q.0102 or 2Q.0900. Facilities eligible for general permits must meet certain conditions and emission must be below thresholds established by rule. New Source Review Air Permit/Prevention of Significant Deterioration (PSD) Pre-construction permitting process for major sources of air pollution (as defined in DAQ's 2D .0530 and .0531 regulations). Prevention of Significant (PSD) and Non-attainment New Source Review (NAA NSR) permits are administered by DAQ's Central Office Permitting Section. Small/Synthetic Minor Permit The potential to emit must be less than 100 ton/year for each criteria pollutant and less than 10 ton/year for each individual hazardous air pollutant and less than 25 ton/year for the sum of all hazardous air pollutants. Synthetic minor permits are administered by a facility's Regional Office. Tax Certification for Air Pollution Control Equipment Tax certification of equipment related to air pollution. For use in receiving tax credit on air pollution abatement equipment. Title V Permit The potential to emit over 100 ton/year of a single criteria air pollutant, 10 ton/year of a single hazardous air pollutant, or 25 ton/year combination of single hazardous air pollutant. Title V permits are administered by DAQ's Central Office Permitting Section.