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 and effective – 100 ppb (187 µg/m 3 ) Annual standard maintained at 53 ppb  Revised primary standard for SO 2 New 1-hour standard promulgated and effective – 75 ppb (196 µg/m 3 ) Revoked existing 24-hr and annual stds  Secondary standards under review

Ozone NAAQS  1997 standard ppm, 8-hr avg  Revised primary and secondary standards announced on ppm, 8-hr avg, effective EPA area designation process stayed pending further review of the standard  hr standard (0.08 ppm) in effect Area designations Associated regulatory requirements

Ozone NAAQS  Revised primary and secondary standards proposed on Primary 8-hr standard set at a level in the range of ppm, 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

PM 2.5 NAAQS  1971 – TSP, 1987 – PM 10 (inhalable, coarse)  Fine particle (PM 2.5 ) primary and secondary standards promulgated on μg/m 3, annual average 65 μg/m 3, 24-hr average  Revised 24-hr standards promulgated and effective μg/m 3, 24-hr average Annual std (15 μg/m 3 ) – remanded in 2009

Regulations  Proposed federal GHG permitting  Portland Cement NSPS/NESHAP Final amendments announced  FIP for Interstate Transport of Fine Particulate and Ozone FR proposal on  Industrial-Commercial-Industrial Boiler and Process Heater NESHAP Proposed MACT/GACT for major and area sources published

Regulations  Commercial and Industrial Solid Waste Incineration Units NSPS/EG Amendments proposed  Solid Waste Definition rule Proposed  Amendments to NESHAP for Stationary RICE Promulgated , effective  Amendments to NSPS for CI and SI ICE Proposed

NESHAP for Stationary RICE  40 CFR Part 63, Subpart ZZZZ Originally promulgated Affected RICE > 500 bhp located at major HAP sources  Amendments promulgated 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

NESHAP for Stationary RICE  Recent amendments to Subpart ZZZZ Promulgated on and effective  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

NESHAP for Stationary RICE – CI ICE  Initial Notification requirements Due by  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