ORDER OF THE STATE OF WISCONSIN NATURAL RESOURCES BOARD
REPEALING; RENUMBERING AND AMENDING; CONSOLIDATING, RENUMBERING, AND AMENDING; AMENDING; AND CREATING RULES
The Wisconsin Natural Resources Board proposes an order to repeal NR 404.04 (9) (c); to renumber and amend NR 404.04 (9) (b) 2.; to consolidate, renumber, and amend NR 404.04 (9) (a) (intro.), 1., and 2.; and (b) (intro.) and 1.; to amend NR 404.04 (9) (title) and 484.04 (6g) and (6r) in Table 2; and to create NR 404.04 (9) (am) (title), 1. a. and b., (bm), and (Note), relating to the ambient air quality standards for fine particles (PM2.5).
AM-07-15
Analysis Prepared by the Department of Natural Resources
1. Statute interpreted: Section 285.11(6), Wis. Stats. The State Implementation Plan developed under s. 285.11(6), Stats., is revised.
2. Statutory authority: Sections 227.11(2)(a), 285.11(1), and 285.21(1)(a), Wis. Stats.
3. Explanation of agency authority: Section 227.11(2)(a), Wis. Stats. expressly confers rule making authority to an agency. Section 285.11(1) and (6), Wis. Stats., requires that the Department promulgate rules and establish control strategies in order to prepare and implement the State Implementation Plan for the prevention, abatement and control of air pollution in the state. Section 285.21(1)(a), Wis. Stats., requires that the Department promulgate by rule ambient air quality standards that are similar to, but not more restrictive than the National Ambient Air Quality Standards (NAAQS).
4. Related statute or rule: There are no other statutes or rules directly related to the adoption of the NAAQS for fine particles (PM2.5).
5. Plain language analysis: The U.S. Environmental Protection Agency (EPA) is required by the federal Clean Air Act (CAA) to promulgate NAAQS to protect public health (i.e., primary standards) and public welfare (i.e., secondary standards). Under s. 285.21, Wis. Stats., the Department is required to promulgate by rule a similar, but no more restrictive, air quality standard when the U.S. EPA promulgates a new or revised NAAQS.
On January 15, 2013, the U.S. EPA published revisions to the NAAQS for PM2.5 (78 FR 3086) and the revised standard was in effect on March 18, 2013. The primary annual standard for PM2.5 was revised from 15.0 micrograms per cubic meter (µg/m3) to 12.0 µg/m3. The secondary annual standard of 15.0 µg/m3 and the primary and secondary 24-hour standards of 35 µg/m3 for PM2.5 were retained. As a result of this federal action, the Department is proposing to adopt the revised annual PM2.5 NAAQS into ch. NR 404, Wis. Adm. Code. In addition, the Department is proposing to revise ch. NR 484, Wis. Adm. Code, to include references to applicable U.S. EPA data handling conventions for PM2.5.
6. Summary of, and comparison with, existing or proposed federal statutes and regulations: The Department is proposing to adopt standards that are identical to the EPA promulgated 2013 federal National Ambient Air Quality Standards for PM2.5. Thus the proposed standards are not more stringent than the federal standards.
7. Comparison with similar rules in adjacent states (Illinois, Iowa, Michigan and Minnesota): Since NAAQS are federal standards, they apply in all states. The states of Illinois and Michigan have already adopted the revised NAAQS standard for PM2.5 into their state rules. Minnesota is in the process of rule promulgation and expecting to finalize the rule in the spring of 2016. Iowa is in the early stage of a rule making process to incorporate the revised NAAQS for PM2.5.
8. Summary of factual data and analytical methodologies used and how any related findings support the regulatory approach chosen: As required by s. 285.21 (1) (a), Wis. Stats., Wisconsin must promulgate ambient air quality standards similar to the NAAQS for the protection of public health and welfare. Because the Department is required by statute to adopt the NAAQS and because the Department is proposing to adopt standards identical to the EPA promulgated NAAQS, it did not develop or use data or analytical methodologies to support the proposed adoption of these standards
9. Analysis and supporting documents used to determine the effect on small business or in preparation of an economic impact analysis: This rule proposes to adopt the 2012 annual PM2.5 National Ambient Air Quality Standard (NAAQS) into state administrative code. The Department expects this proposed rule to have no, or minimal, economic impact on private sector businesses or individuals.
Prior to issuing an air permit, the Department is required, under s. 285.63(1)(b), Wis. Stats., to make a finding that emissions from the source will not cause or exacerbate a violation of the ambient air quality standards. The Department is also required by EPA guidance to determine that any approved major construction permit will not cause or exacerbate a violation of the 2012 PM2.5 NAAQS. Major construction permits are regulated under the federal Prevention of Significant Deterioration (PSD) program in attainment areas and the New Source Review (NSR) program in nonattainment areas. A major construction permit is required for PSD/NSR major sources that increase emissions above significant emissions thresholds, or for projects at minor sources which increase emissions beyond the applicable permitted emissions thresholds defining a major source under each program. This was the requirement before EPA promulgated the 2012 annual PM2.5 NAAQS, and nothing in the proposed rule changes this requirement.
Because sources undertaking major construction permits are already subject to this standard, the only sources potentially impacted by state adoption of this standard are those facilities which are obtaining a minor source construction permit, obtaining an operating permit for the first time, or renewing a Title V operating permit.
The Department finds there would be no, or minimal additional, economic impact (cost or benefit) due to this rule. The above-mentioned sources already need to comply with the 2006 annual PM2.5 NAAQS currently in state code. The Department reviewed permitting actions from the year 2011, the last year prior to when EPA finalized the 2012 PM2.5 NAAQS, and found that, for these sources, there would be no difference between meeting the 2006 and 2012 annual PM2.5 NAAQS when it came to permitting preparation and emission control requirements. Therefore, the Department expects no changes in the administrative cost on these sources when it comes to preparing and obtaining a permit. In addition, since control requirements for these sources also are not expected to change as a result of this rule, the Department also does not expect additional health benefits (or associated economic impact) from this rule.
An economic impact analysis and final fiscal estimate has been completed prior to the submittal of this rule to the Legislative Council as required under s. 227.137(2), Wis. Stats.
10. Effect on small business: As stated above, the Department believes this rule making would have no or minimal economic impact on small businesses. This rule does not change or impose new recordkeeping or reporting requirements on small businesses or change any schedules or deadlines for compliance reporting.
11. Agency contact person: Yu-Lien Chu, WDNR, P.O. Box 7921, Madison, WI 53707-7921; (608) 266-2711; (608) 267-0560 (fax); yulien.chu@wisconsin.gov
12. Place where comments are to be submitted and deadline for submission:
Written comments may be submitted at the public hearings, by regular mail, fax or email to:
Yu-Lien Chu
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