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Hot Topics in Air Quality

Hot Topics in Air Quality. NAAQS, Regulations, and Other Developments Jeff Slayback A&WMA Southwest Ohio Chapter August 19, 2010. SO 2 and NO 2 NAAQS. Revised primary standard for NO 2 New 1-hour standard promulgated 2-9-10 and effective 4-12-10 – 100 ppb (187 µg/m 3 )

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Hot Topics in Air Quality

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  1. Hot Topics in Air Quality NAAQS, Regulations, and Other Developments Jeff Slayback A&WMA Southwest Ohio Chapter August 19, 2010

  2. SO2 and NO2 NAAQS • Revised primary standard for NO2 • New 1-hour standard promulgated 2-9-10 and effective 4-12-10 – 100 ppb (187 µg/m3) • Annual standard maintained at 53 ppb • Revised primary standard for SO2 • New 1-hour standard promulgated 6-22-10 and effective 8-23-10 – 75 ppb (196 µg/m3) • Revoked existing 24-hr and annual stds • Secondary standards under review

  3. Ozone NAAQS • 1997 standard - 0.08 ppm, 8-hr avg • Revised primary and secondary standards announced on 3-12-08 • 0.075 ppm, 8-hr avg, effective 5-27-08 • EPA area designation process stayed 9-16-08 pending further review of the standard • 1997 8-hr standard (0.08 ppm) in effect • Area designations • Associated regulatory requirements

  4. Ozone NAAQS • Revised primary and secondary standards proposed on 1-6-10 • Primary 8-hr standard set at a level in the range of 0.060-0.070 ppm, 0.065 ppm seems likely • Seasonal secondary standard set at a level in the range of 7-15 ppm-hrs • Final standards to be issued by August 31, 2010 • Final designations by 8-31-11

  5. PM2.5 NAAQS • 1971 – TSP, 1987 – PM10 (inhalable, coarse) • Fine particle (PM2.5) primary and secondary standards promulgated on 7-18-97 • 15 μg/m3, annual average • 65 μg/m3, 24-hr average • Revised 24-hr standards promulgated 10-17-06 and effective 12-18-06 • 35 μg/m3, 24-hr average • Annual std (15 μg/m3) – remanded in 2009

  6. Regulations • Proposed federal GHG permitting 8-12-10 • Portland Cement NSPS/NESHAP • Final amendments announced 8-9-10 • FIP for Interstate Transport of Fine Particulate and Ozone • FR proposal on 8-2-10 • Industrial-Commercial-Industrial Boiler and Process Heater NESHAP • Proposed MACT/GACT for major and area sources published 6-4-10.

  7. Regulations • Commercial and Industrial Solid Waste Incineration Units NSPS/EG • Amendments proposed 6-4-10 • Solid Waste Definition rule • Proposed 6-4-10 • Amendments to NESHAP for Stationary RICE • Promulgated 3-3-10, effective 5-3-10 • Amendments to NSPS for CI and SI ICE • Proposed 6-8-10

  8. NESHAP forStationary RICE • 40 CFR Part 63, Subpart ZZZZ • Originally promulgated 6-15-04 • Affected RICE > 500 bhp located at major HAP sources • Amendments promulgated 1-18-08 • Affected new and reconstructed RICE ≤ 500 bhp located at major HAP sources and new and reconstructed RICE at area sources • New RICE at major and area sources – NSPS IIII/JJJJ

  9. NESHAP forStationary RICE • Recent amendments to Subpart ZZZZ • Promulgated on 3-3-10 and effective 5-3-10 • Affected RICE • Existing CI ICE at area sources • Existing CI ICE ≤ 500 bhp at major HAP sources • Existing non-emergency CI ICE > 500 bhp at major HAP sources • Rule applicability flow chart and summary of requirements found at • http://www.epa.gov/ttn/atw/rice/ricepg.html

  10. NESHAP forStationary RICE – CI ICE • Initial Notification requirements • Due by 8-31-10 • Not required for: • Existing Emergency CI & Non-Emergency CI ≤ 300 bhp at area sources • Existing Emergency CI & Non-Emergency CI < 100 bhp and Limited Use CI > 500 bhp at major sources • Required for all other existing CI ICE • All New CI ICE are affected by NSPS IIII

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