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

2. 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 ) Annual standard maintained at 53 ppb  Revised primary standard for SO 2 New 1-hour standard promulgated 6-22-10 and effective 8-23-10 – 75 ppb (196 µg/m 3 ) 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. PM 2.5 NAAQS  1971 – TSP, 1987 – PM 10 (inhalable, coarse)  Fine particle (PM 2.5 ) primary and secondary standards promulgated on 7-18-97 15 μg/m 3, annual average 65 μg/m 3, 24-hr average  Revised 24-hr standards promulgated 10- 17-06 and effective 12-18-06 35 μg/m 3, 24-hr average Annual std (15 μg/m 3 ) – 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 for Stationary 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 for Stationary 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 for Stationary 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 500 bhp at major sources  Required for all other existing CI ICE All New CI ICE are affected by NSPS IIII