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| EPA/AR | RIN: 2060-AO97 | Publication ID: Fall 2008 |
| Title: Risk and Technology Review Phase II Group 3 | |
| Abstract: EPA is required to evaluate the risk remaining at facilities 8 years after they are required to comply with MACT air-toxic emission standards according to section 112 (f)(2) of the Clean Air Act (CAA). EPA is also required to review and revise the MACT standards if needed every 8 years with regard to practices, processes and control technologies according to section 112(d)(6) of the CAA. EPA will combine the remaining MACT source categories requiring residual risk and technology reviews into several groups to enable us to more closely meet statutory dates, raise and resolve programmatic issues, minimize resources by using available data and focusing on high risk sources, and provide consistent review and analysis. RTR Phase II originally included 34 MACT standards and 50 source categories, which was split into 2 groups. Group 2 was addressed in a previous action. This action focuses on RTR Phase II Group 3 which consists of 18 MACT standards (covering 20 source categories) with MACT compliance dates of 2002 and earlier. We will use available data including emissions from the most recent 2002 national emission inventory (NEI) and augment it with available site-specific data to assess the draft preliminary risks for each source category. Each MACT source category will be assessed for inhalation risks, including cancer risk and incidence, population cancer risk, and non-cancer effects (chronic and acute). We also plan to evaluate multipathway risk associated with those source categories with significant levels of persistent and bioaccumulative HAP. We will follow the Benzene Policy to identify the source categories as low risk, acceptable risk, or unacceptable risk. We then plan to publish the emissions data and risk results in an ANPRM by May 2008 and solicit public comments and corrections, including better source data. We will then reassess the source categories based on the updated data. EPA will then evaluate the effectiveness and cost of additional risk reduction options and make acceptability and ample-margin-of-safety determinations. We anticipate that the source categories below will split in to 2-3 proposal/promulgation packages. We intend to propose the first subset of source categories in a NPRM by Jan 2009, address public comments, and promulgate the final action by Jan 2010. Where the need for additional controls are identified, standards would be developed that include technology, work practice, or performance standards as amendments to the existing MACT standards. Portland Cement was removed from this group due to remand of the NESHAP and will be put into a later ANPRM in RTR Phase III. The 17 MACT source categories and associated NAICS codes are listed below. Pulp and Paper Production, 3221 Chrome Electroplating, 332813 Flexible Polyurethane Foam, 326150 Offsite Waste and Recovery Operations, 526 Secondary Lead Smelters, 331452 Wood Furniture Coatings, 337122 Polycarbonates, 325199 Acrylic/Modacrylic Fibers, 325222 Phosphate Fertilizer Production, 325312 Phosphoric Acid Manufacturing, 325312 Primary Lead Smelting, 331419 Publicly Owned Treatment Works, 221320 Ferroalloys Production, 331112 Steel Pickling HCL Process, 331111 Secondary Aluminum Production, 331314 Wool Fiberglass Manufacturing, 327993 Polyether Polyols Production, 325199 | |
| Agency: Environmental Protection Agency(EPA) | Priority: Other Significant |
| RIN Status: Previously published in the Unified Agenda | Agenda Stage of Rulemaking: Prerule Stage |
| Major: No | Unfunded Mandates: No |
| CFR Citation: Not Yet Determined (To search for a specific CFR, visit the Code of Federal Regulations.) | |
| Legal Authority: CAA sec 112(f) CAA sec 112(d)(6) | |
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Legal Deadline:
None |
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Timetable:
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| Additional Information: SAN No. 5196 | |
| Regulatory Flexibility Analysis Required: Undetermined | Government Levels Affected: None |
| Small Entities Affected: No | Federalism: No |
| Included in the Regulatory Plan: No | |
| RIN Data Printed in the FR: No | |
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Agency Contact: Paula Hirtz Environmental Protection Agency Air and Radiation 109 T.W. Alexander Drive, Mail Code E143-01, Research Triangle Park, NC 27711 Phone:919 541-2618 Email: hirtz.paula@epa.gov Ken Hustvedt Environmental Protection Agency Air and Radiation E143-01, RTP, NC 27711 Phone:919 541-5395 Fax:919 685-3200 Email: Hustvedt.Ken@epamail.epa.gov |
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