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Air Quality Permitting for Emerging Technologies

Air Quality Permitting for Emerging Technologies. Jay Chen, P.E. South Coast Air Quality Management District November 4, 2009 Southern California Waste Management Forum. AQMD’s Position about Emerging Technologies.

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Air Quality Permitting for Emerging Technologies

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  1. Air Quality Permitting for Emerging Technologies Jay Chen, P.E. South Coast Air Quality Management District November 4, 2009 Southern California Waste Management Forum SCAQMD

  2. AQMD’s Position about Emerging Technologies • AQMD rules are neutral – not promoting nor hindering emerging technologies in converting wastes to energy • Same rules that apply to dry cleaners, gas stations or oil refineries also apply to conversion technologies • AQMD Governing Board has not adopted any policy or amended any rule to change that position. SCAQMD

  3. Key Air Quality Permitting Requirements (1 of 3) • Prohibitory Rules • Set certain basic requirements concerning visible emissions (smoke), particulates, and public nuisance, etc. • Source Specific Rules • Set emission and work practice standards based on specific source types, e.g., boilers, engines, and composting, etc. • Federal Regulations • NSPS (40cfr60) and NESHAP (40cfr63): similar to Source Specific Rules but for Major Sources SCAQMD

  4. Key Air Quality Permitting Requirements (2 of 3) • New Source Review (NA-NSR and PSD) • For Criteria Pollutants: (NOx, SOx, VOC, PM10, CO,lead) and Ammonia • Best Available Control Technology: BACT analysis can be resource intensive and time consuming • Dispersion Modeling: To demonstrate compliance with ambient air quality standards • Emission Offsets: Availability and costs of ERCs can be a significant issue(not required for CO, lead and ammonia) • Statewide and Facility-wide Compliance SCAQMD

  5. Key Air Quality Permitting Requirements (3 of 3) • New Source Review for Air Toxics • An unique health-risk based approach to addressing air toxics emission issues • Sets health risk limits: • Max. Individual Cancer Risks: 10 in a million (with T-BACT) or 1 in a million (without T-BACT) • Cancer Burden: 0.5 • Hazard Indices: 1.0 • T-BACT (BACT for Air Toxics) analysis can be resource intensive and time consuming • Cost of T-BACT can be significant SCAQMD

  6. Public Participation • Public Notice Required if • Facility is within 1000 feet of a school (K-12) • Project Emissions or health risks are > Rule 212 thresholds • Federal Title V Permits • Apply to major sources and sources subject to NSPS or NESHAP (e.g., 40cfr60 Subpart Eb applies to thermal conversion technologies) • Enhanced public participation, EPA review, and enforcement, etc. • Public notice required for all initial permits, significant permit revisions, and 5-year permit renewals. SCAQMD

  7. Tips to Successful Air Quality Permitting • Review thoroughly and incorporate all available air pollution control technologies and techniques for both criteria and toxic air pollutants. • Keep facility-wide emissions for each criteria pollutant to < 4 tons/year (or 22 lbs/day) to qualify for emission offsets exemption. • Not over-commit to emission levels that are difficult to demonstrate compliance. • Address CEQA, siting, and public acceptance issues early in the process. SCAQMD

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