### INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT We ProtectHoosiers and OurEnvironment.

Michael R. Pence Govemor



### Susan Hedman Regional Administrator U.S. EPA, Region 5 77 West Jackson Boulevard Chicago, Illinois 60604

Dear Ms. Hedman: 100 N. Senate Avenue • Indianapolis, IN 46204 (800) 451-6027 • (317) 232-8603 • www.idem.IN.gov



### August 20, 2014 Thomas

### w. Easterly Commissioner



### Re: State Implementation Plan Submittal for IndianaRegarding 326 lAC 1-3-4, Ozone and PM2.5 Standards (LSA#13-358)

Pursuant to Section 110 ofthe CleanAir Act and Title 13 ofthe Indiana Code, the Indiana Department ofEnvironmental Management (IDEM) submits an amendmentto the Indiana state implementationplan. This amendment consists ofrevisions to Indiana's rules concerningthe national ambient air quality standards (NAAQS) for ozone and**particula~e** 

### matter with an aerodynamic diameter less than or equal to 2.5 microns (PM2

## .s), accomplished through onerulemaking. IDEM requests thatthe United States Environmental ProtectionAgency (U.S. EPA) approve 326 lAC 1-3-4. Subsections (b)(4) and (b)(8) of326 lAC 1-3-4 have been amended to update the NAAQS for ozone and PM2

## .s in accordance with 40 CFR 50. Subsection (b)(4) updates the primary and secondary 8-hour ozone standards to 0.075 parts permillion. Subsection (b)(8) updates the annual primary PM2.5 

### standard to 12 micrograms per cubic meter (!lglm\ The existing annual secondary PM2.5 

### standard is maintained. In addition, revisions have beenmade to update references to ensure consistencywith federal regulations. This submittal consists ofone (1) hard copy ofthe required documentation. An electronic version ofthe submittal in PDF format that is identical to the hard copy has been sent to Chris Panos atthe U.S. EPA Region 5 office. In order to assist with your review ofthis state implementationplan submission, a list ofsupporting documents is attached. Throughoutthe development ofthese amendments to the existing rule, staffofthe Office ofAir Quality worked closely with your staffto ensure that any potential problems that might exist withthis requested state implementationplanrevision would beresolved. I request that U.S. EPA approve this modification ofIndiana's state implementationplan. Ifyou have any

AnEqual Opportunity Employer 

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### @ RecycledPaper



# -

### questions regarding this submittal, please contact Christine Pedersen, Rule Development Section ( Chief, Office ofLegal Counsel, at (317) 233-5684.

NK/cep Attachments: Supporting Documents

cc: John Mooney, U.S. EPA Region V 

### (no enclosures) PamelaBlakley, U

.S. EPA Region 5 (no enclosures) Doug Aburano, U.S. EPA RegionV (no enclosures) Steve Rosenthal, U.S. EPA Region V (no enclosures) Christine Pedersen, IDEM (no enclosures) SIP file 

## (

## Supporting Documents

Attachment A: Administrative Checklist ( 40 CPR 51, Appendix V) Attachment B: Final Rule. LSA Document #13-358(F) as published in the Indiana Register on August 6, 2014 (DIN: 20140806-IR-326130358FRA) Attachment C: Signature Page Attachment D: Section 8 Notice, including the Notice ofPublic Hearing, as published inthe Indiana Register on August 21, 2013 (DIN: 20130821-IR-326130358FDA) Attachment E: Ce1iificates ofWeb Publication Attachment F: Transcript ofPublic Hearing, including Exhibit, held on April9, 2014

### ADMINISTRATIVE CHECKLIST (40 CFR 51, Appendix V)


### 1. The submittal is accompanied by a formal letter ofsubmittal Enclosed from the governor or his designee. 2. Evidence that the State has adopted the plan in the State code Attachment C orbody ofregulations; or issued the permit, order, consent agreement ("document"); in final form.

a. Date ofadoption or final issuance: April9, 2014 b. The effective date ofthe plan, ifdifferent August 7, 2014 from the adoption/issuance date. 3. Evidence that the State has the necessary legal authority IC 13-14-8 under state lawto adopt and implement the plan. 

### 4. A copy ofthe actual regulation or document submitted for Attachment 

### B approval and incorporation byreference into the plan, including the following:

a. Indication ofthe changes made to the existing approved plan, where applicable. b. The submittal shall be a copy ofthe official State regulation or document signed, stamped, dated by the appropriate state official indicating that it is fully enforceable bythe State. Effective date shall be stated inthe document itself. 5. Evidence that the State followed all ofthe procedural requirements ofthe State's laws and constitution in conducting and completing the adoption/issuance ofthe plan. Attachment C

6. Evidence that public notice was given, including date of Attachments D andE proofofpublication. _K_Notice ofPublic Hearing and Certificates ofWeb Publication
7. Ce1iification that public hearings were held in accordance with information provided inpublic hearing notice. 

# _x_Transcript from Public Hearing 8. Compilation ofpublic comments and State'sresponse. Attachment F

N/AIndiana Register TITLE 326 AIR POLLUTION CONTROL DIVISION Final Rule LSA Document #13-358(F) DIGEST Amends 326 lAC 1-3-4 concerning the national ambient air quality standards for the 2008 8-hour ozone standard, and the 2012 annual particulate matter with an aerodynamic diameter less than or equal to 2.5 micrometers (PM 2.5) standard. Effective 30 days after filing with the Publisher. HISTORY Findings and Determination ofthe Commissioner Pursuant to IC 13-14-9-8: August 21, 2013, Indiana Register (DIN: 20130821-IR-326130358FDA). Notice of Hearing: August 21,2013, Indiana Register (DIN: 20130821-IR-326130358PHA). Change in Notice of Public Hearing: November 20, 2013, Indiana Register (DIN: 20131120-IR-326130358CHA). Change in Notice of Public Hearing: January 29, 2014, Indiana Register (DIN: 20140129-IR-326130358CHA). Date of Hearing: April 9, 2014. 326 lAC 1-3-4 SECTION 1. 326 lAC 1-3-4 IS AMENDED TO READ AS FOLLOWS: 326 lAC 1-3-4 Ambient air quality standards Authority: IC 13-14-8; IC 13-17-3-4; IC 13-17-3-11 Affected: IC 13-15; IC 13-17
Sec. 4. (a) All measurements of air quality that are expressed as mass per unit volume, other than for the particulate matter (PM ) standards contained in subsection (b)(8) and lead (Pb) standards contained in subsection (b)(6),

## shalf"i~e corrected to a reference temperature oftwenty-five (25) degrees Celsius and a reference pressure of seven hundred sixty (760) millimeters of mercury (one thousand thirteen and two-tenths (1 ,013.2) millibars), as micrograms per cubic meter (!Jglm\ Measurements of PM 2 , for purposes of comparison to the standards contained in subsection (b)(8), and Pb, for purposes of comparisori 5to the standards contained in subsection (b)(6), shall be reported based on actual ambient air volume measured at the actual ambient temperature and pressure at the monitoring site during the measurement period. (b) Ambient air quality standards are as follows: (1) Sulfur oxides as sulfur dioxide (SO ) requirements are as follows:

(A) For the primary one (1) hour amBient air quality standard, the maximum permissible ambient air quality level shall be seventy-five (75) parts per billion (ppb). The one (1) hour standard is attained when the three (3) year average ofthe annual ninety-ninth percentile ofthe daily maximum one (1) hour average concentration is less than or equal to seventy-five (75) ppb, as determined in accordance with 40 CFR 50, Appendix T* and measured in the ambient air as S02 by a reference method based on 40 CFR 50, Appendix A-1 *or 40 CFR 50, Appendix A-2*, or an equivalent method designated in accordance with 40 CFR 53*. (B) For the secondary standard, the following value shall represent the maximum permissible ambient air quality level: one thousand three hundred (1 ,300) 1Jg/m3 (five-tenths (0.5) ppm) maximum three (3) hour concentration not to be exceeded more than once per year. The three (3) hour averages shall be determined from successive nonoverlapping three (3) hour blocks starting at midnight each calendar day and shall be rounded to one (1) decimal place (fractional parts equal to or greater than five-hundredths (0.05) ppm shall be rounded up). Sulfur oxides shall be measured in the ambient air as S02 by the reference method described in 40 CFR 50, Appendix A-1 * or 40 CFR 50, Appendix A-2*, or by an equivalent method designated in accordance with 40 CFR 53*. To demonstrate attainment, the second-highest three (3) hour average must be based upon hourly data that are at least seventy-five percent (75%) complete in each calendar quarter. A three (3) hour block average shall be considered valid if:

(i) all three (3) hourly averages for the three (3) hour period are available; or (ii) only one (1) or two (2) hourly averages are available, but the three (3) hour average would exceed the level ofthe standard when zeros are substituted for the missing values, subject to the rounding rule ofthis
Date: Aug 19,2014 9:47:02AM EDT DIN: 20140806-IR-326130358FRA Page 1Indiana Register clause. In all cases, the three (3) hour block average shall be computed as the sum ofthe hourly averages divided by three (3). (C) 802 values may be converted to ppm using the conversion factor two thousand six hundred twenty (2,620) 1Jg/m3 = one (1) ppm. (2) Total suspended particulates (TSP) requirements are as follows:

(A) For primary standards, the following values shall represent the maximum permissible ambient air quality levels:

(i) Seventy-five (75) 1Jg/m3 annual geometric mean. (ii) Two hundred sixty (260) 1Jg/m3 maximum twenty-four (24) hour average concentration not to be exceeded more than one (1) day per year. (B) For secondary standards, the following value shall represent maximum permissible ambient air quality levels: one hundred fifty (150) 1Jg/m3 maximum twenty-four (24) hour average concentration not to be exceeded more than one (1) day peryear. (3) Carbon monoxide (CO) requirements are as follows:

(A) For primary and secondary standards, the following values shall represent the maximum permissible ambient air quality levels:

(i) Ten (10) milligrams per cubic meter (mg/m3) (ten thousand (10,000) 1Jg/m3) (nine (9) ppm) maximum eight (8) hour averape concentration not to be exceeded more than once per year. (ii) Forty (40) mg/m (forty thousand (40,000) 1Jg/m3) (thirty-five (35) ppm) maximum one (1) hour average concentration not to be exceeded more than once peryear. (B) CO values may be converted to ppm using the conversion factor one thousand one hundred forty-five (1,145) 1Jg/m3 =one (1) ppm. (4) Ozone (03) requirements are as follows:

(A) For the one (1) hour ozone standards, the level ofthe one (1) hour primary and secondary ambient air quality standards for ozone measured by a reference method based on 40 CFR 50, Appendix D* and**desi~nated** in accordance with 40 CFR 53* is twelve-hundredths (0.12) ppm (two hundred thirty-five (235) IJg/m ). The standard is attained when the expected number of days per calendar year with maximum hourly average concentrations above twelve-hundredths (0.12) ppm (two hundred thirty-five (235) 1Jg/m3) is equal to or less than one (1) as determined by 40 CFR 50, Appendix H*. (B) For the eight (8) hour ozone standards, the:

(i) level ofthe eight (8) hour primary and secondary ambient air quality standards for ozone, measured by a reference method based on 40 CFR 50, Appendix D* and designated in accordance with 40 CFR 53*, is eight hundredths (0.08) seventy-five thousandths (0.075) ppm, daily maximum eight (8) hour average; and (ii) eight (8) hour primary and secondary ozone ambient air quality standards are met at an ambient air quality monitoring site when the average ofthe annual fourth highest daily maximum eight (8) hour average ozone concentration is less than or equal to eight hundredths (0.08) seventy-five thousandths (0.075) ppm as determined in accordance with 40 CFR 50,**Appendix~** P*. (C) 0.3 values may be converted to ppm using the conversion factor one thousand nine hundred sixty-five (1 ,96o) 1Jg/m3 = 1.0 ppm. (5) Nitrogen dioxide (N02) requirements are as follows:

(A) For the primary one (1) hour ambient air quality standard, the maximum permissible ambient air quality level shall be one hundred (100) ppb, one (1) hour average concentration, measured in the ambient air as N02. The one (1) hour standard is attained when the three (3) year average ofthe annual ninety-eighth percentile ofthe daily maximum one (1) hour average concentration is less than or equal to one hundred (100) ppb, as determined in accordance with 40 CFR 50, Appendix S*. (B) For the annual primary standard, the following value shall represent the maximum permissible ambient air quality level: one hundred (1 00) 1Jg/m3 (fifty-three thousandths (0.053) ppm) annual average concentration in a calendar year. The annual primary standard is attained when the annual average concentration in a calendar year is less than or equal to fifty-three (53) ppb, as determined in accordance with 40 CFR 50, Appendix S* for the annual standard. (C) For the annual secondary standard, the following value shall represent the maximum permissible ambient air quality level: one hundred (100) 1Jg/m3 (fifty-three thousandths (0.053) ppm) annual arithmetic mean concentration in a calendar year. The secondary standard is attained when the annual arithmetic mean concentration in a calendar year is less than or equal to fifty-three thousandths (0.053) ppm, rounded to three (3) decimal places (fractional parts equal to or greater than five ten-thousandths (0.0005) ppm must be rounded up). To demonstrate attainment, an annual mean must be based upon hourly data that are at least seventy-five percent (75%) complete or upon data derived from manual methods that are at least seventy-five percent (75%) complete for the scheduled sampling days in each calendar quarter. (D) N02 values may be converted to ppm using the conversion factor one thousand eight hundred eighty

Date: Aug 19,2014 9:47:02AM EDT DIN: 20140806-IR-326130358FRA Page 2Indiana Register (1 ,880) 1-Jg/m 

# = one (1) ppm. (E) The levels ofthe standards shall be measured by:

(i) a reference based on 40 CFR 50, Appendix F*; or (ii) an equivalent method designated in accordance with 40 CFR 53*. (6) Pb: For primary and secondary standards, the following value shall represent the maximum permissible ambient air quality level: fifteen-hundredths (0.15) 1Jg/m3

, arithmetic mean concentration over a three (3) month period. The standards are attained when the maximum arithmetic three (3) month mean concentration for a three (3) year period is less than or equal to fifteenth-hundredths (0.15) 1Jg/m3

, as determined in accordance with 40 CFR 50, Appendix R* and measured in the ambient air as Pb by either: (A) a reference method based on 40 CFR 50, Appendix G*, and designated in accordance with 40 CFR 53*; or (B) an equivalent method designated in accordance with 40 CFR 53*. (7) PM 1 : For primary and secondary standards, the maximum permissible ambient air quality level is one

## hundre~fifty (150) 1Jg/m3 maximum twenty-four (24) hour average concentration. The standards are attained when the expected number of daysper calendar year with a twenty-four (24) hour average concentration above one hundred fifty (150) 1-Jg/m , as determined in accordance with 40 CFR 50, Appendix K,* is equal to or less than one (1 ). (8) PM 5 requirements are as follows:

(A) For the primary and se-oondary standards, annual standard, the following 

### ¥aH:tes value shall represent the maximum permissible ambient air quality levels:(/\) Fifteen (15) level: twelve (12) micrograms per cubic meter (1Jg/m3) annual arithmetic mean concentration. The standards are standard is attained when the annual arithmetic mean concentration is less than or equal to fifteen (15) twelve (12) 1Jg/m3

, as determined in accordance with 40 CFR 50, Appendix N*, as amended by 78 FR 3277, and measured in the ambient air as PM 2 by either:

(i) a reference

## met~od based on 40 CFR 50, Appendix L*, and designated in accordance with 40 CFR 53*; or (ii) an equivalent method designated in accordance with 40 CFR 53*. (B) For the secondary annual standard, the following value shall represent the maximum permissible ambient air quality level: fifteen (15) micrograms per cubic meter (1Jg/m3) annual arithmetic mean concentration. The standard is attained when the annual arithmetic mean concentration is less than or equal to fifteen (15) 1Jg/m3

, as determined in accordance with 40 CFR 50, Appendix N*, as amended by 78 FR 3277, and measured in the ambient air as PM 2 5 by either:

(i) a reference method based on 40 CFR 50, Appendix L*, and de"signated in accordance with 40 CFR 53*; or 

### (ii) an equivalent method designated in accordance with 40 CFR 53*. 

## fB1 (C) For the primary and secondary 24-hour standard, the following value shall represent the maximum permissible ambient air quality level: thirty-five (35) 1Jg/m3 twenty-four (24) hour average concentration. The standards are attained when the ninety-eighth percentile twenty-four (24) hour concentration is less than or equal to thirty-five (35) micrograms per cubic meter (1Jg/m3), as determined in accordance with 40 CFR 50, Appendix N*, as amended by 78 FR 3277, and measured in the ambient air as PM2 by either:

(i) a reference method based on 40 CFR 50, Appendix L*, and designated in accordance of 40 CFR 53*; or (ii) an equivalent method designated in accordance with 40 CFR 53*.
*These documents are incorporated by reference. Copies may be obtained from the Government Printing Office, 732 North Capitol Street NW, Washington, D.C. 20401 or are available for review and copying at the Indiana Department of Environmental Management, Office ofAir Quality, Legal Counsel, Indiana Government Center North, 

### =t=effil:t Thirteenth Floor, 100 North Senate Avenue, Indianapolis, Indiana 46204. 

### (Air Pollution Control Division; 326 lAC 1-3-4; filed Mar 10, 1988, 1:20p.m.: 11 IR 2378; filedApr 13, 1988, 3:35 p.m.: 111R 3020; readopted filed Jan 10, 2001, 3:20p.m.: 241R 1477; filed May21, 

### 2002, 10:20 a.m.: 251R 

### 3055; filed Mar9, 2004, 3:45p.m.: 271R 2224; filed Dec 

### 20, 2004, 2:15p.m.: 281R 1471; filed Mar 6, 2006, 3:00 p.m.: 29/R 2179; filed Sep 24, 2010, 1:44p.m.: 20101020-IR-326100127FRA; filed Feb 9, 2011, 10:29 a.m.: 20110309-IR-326100495FRA; filed Dec 19, 2012, 4:22p.m.: 20130116-IR-326120510FRA; filed Jul8, 2014, 2:28 p.m.: 20140806-IR-326130358FRA)

LSA Document #13-358(F) Findings and Determination ofthe Commissioner Pursuant to IC 13-14-9-8: 20130821-IR-326130358FDA Hearing Held: April 9, 2014 Approved byAttorney General: July 3, 2014

Date: Aug 19,2014 9:47:02AM EDT DIN: 20140806-IR-326130358FRA Page 3Indiana Register Approvedby Governor: July 8, 2014 Filed with Publisher: July 8, 2014, 2:28p.m. Documents Incorporated by Reference: None Received by Publisher Small Business Regulatory Coordinator: Jessica Faust-Hamblin, IDEM Small Business Regulatory Coordinator, IGCN 1225, 100 North Senate Avenue, Indianapolis, IN 46204-2251, (317) 232-8172 or

### (BOO) 988-7901, ctap@idem.in.gov Small Business Assistance Program Ombudsman: Steven 

### N. Howell, IDEM Small Business Assistance Program Ombudsman, IGCN 1301, 100 North Senate Avenue, Indianapolis, IN 46204-2251, (317) 232-8587 or (800) 451-6027, snhowell@idem.in.gov Posted: 08/06/2014 by Legislative Services Agency An html version ofthis document.

Date: Aug 19,2014 9:47:02AM EDT DIN: 20140806-IR-326130358FRA Page 4

# Rule Signature-Page

Rule#: Agency: Subject: 

### ADOPTED: LSA Document#13-358(F) EnvironmentalRules Board Ozone and·PM25 

### Standards

# By.d.;fl'dQ~**Beverly~** · Chairperson, Environmental Rules Board



### APPROVED:

# :~e:**p;/~** (/ 

# l/.**~~** \



### By:

# c/LJ!.-.J! fl. 

# e---

Date

# ~~g\l~**~** Govemor, State ofIndiana



### ACCEPTED FORFILING:

By: - TITLE 326 AIR POLLUTION CONTROL DIVISION LSADocument#l3-358(FR) · Filed with Publisher: 

### July 8. 2014. 2:28 p.m. 

### By:K.ksIndiana Register TITLE 326 AIR POLLUTION CONTROL DIVISION FINDINGS AND DETERMINATION OF THE COMMISSIONER PURSUANT TO IC 13-14-9-8 AND DRAFT RULE LSA Document #13-358 NATIONAL AMBIENT AIR QUALITY STANDARDS FOR OZONE AND PM2.5 PURPOSE OF NOTICE The Indiana Department of Environmental Management (IDEM) has developed draft rule language for amendments to Indiana's rules at 326 lAC 1-3-4 concerning the national ambient air quality standards for the 2008 8-hour ozone standard, and the 2012 annual particulate matter with an aerodynamic diameter less than or equal to 2.5 micrometers (PM 2 5) standard. IDEM is soliciting written comment on the draft rule language and will schedule a public hearing before the Environmental Rules Board for consideration of adoption ofthese rules. CITATIONS AFFECTED: 326 lAC 1-3-4. AUTHORITY: IC 13-14-8; IC 13-17. STATUTORY REQUIREMENTS IC 13-14-9-8 recognizes that, under certain circumstances, it may be appropriate to reduce the number of public comment periods and public hearings usually provided for under the IC 13-14-9 environmental rulemaking process. In cases where the commissioner determines that there is no reasonably anticipated benefit from a second public comment period and first public hearing to either the environment or persons regulated or otherwise affected by the proposed rule, IDEM may forgo these comment periods and proceed directly to the public hearing and board meeting at which the draft rule is considered for adoption. Two opportunities for public comment (with this notice and at the public hearing prior to adoption ofthe rule) remain under this procedure. Ifthe commissioner makes the determination of no anticipated benefit required by IC 13-14-9-8, the commissioner shall prepare written findings and publish those findings in the Indiana Register prior to the board meeting at which the draft rule is to be considered for adoption and include them in the board packet prepared for that meeting. This document constitutes the commissioner's written findings pursuant to IC 13-14-9-8. The statute provides for this shortened rulemaking process ifthe commissioner determines that: (1) the rule constitutes:

(A) an adoption or incorporation by reference of a federal law, regulation, or rule that:

(i) is or will be applicable to Indiana; and (ii) contains no amendments that have a substantive effect on the scope or intended application ofthe federal law or rule; (B) a technical amendment with no substantive effect on an existing Indiana rule; or (C) an amendment to an existing Indiana rule, the primary and intended purpose ofwhich is to clarify the existing rule; and (2) the rule is of such nature and scope that there is no reasonably anticipated benefit to the environment or the persons referred to in IC 13-14-9-7(a)(2) from: (A) exposing the rule to diverse public comment under IC 13-14-9-3 or IC 13-14-9-4; (B) affording interested or affected parties the opportunity to be heard under IC 13-14-9-3 or IC 13-14-9-4; and (C) affording interested or affected parties the opportunity to develop evidence in the record collected under IC 13-14-9-3 and IC 13-14-9-4. BACKGROUND The Clean Air Act (CAA) requires that the United States Environmental Protection Agency (U.S. EPA) set primary and secondary National Ambient Air Quality Standards (NAAQS) for the six criteria air pollutants considered harmful to public health and the environment. These pollutants are carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter (PM), and sulfur dioxide. The CAA requires U.S. EPA to set health-based or "primary" standards at a level judged to be "requisite to protect the public health with an adequate margin of safety" and to establish secondary standards that are designed to protect against welfare effects, defined as "any known or anticipated adverse effects associated with the pollutant in the ambient air" including effects on crops, vegetation, wildlife, and visibility. Sections 108 and 109 ofthe CAA govern the review and revision ofthese standards once every five years to determine whether revisions to the standards are appropriate. Ground-level ozone is formed from a series of chemical reactions between nitrogen oxides and volatile organic compounds (VOCs) in the presence of sunlight. Automobile emissions, industrial facilities, electric utilities, and gasoline vapors from refueling are primary sources of ozone forming compounds. Exposure to high ozone
Date: Aug 19,2014 10:09:02AM EDT DIN: 20130821-IR-326130358FDA Page 1Indiana Register levels can be harmful to more vulnerable populations such as the elderly, children, and those with chronic conditions like asthma, bronchitis, and emphysema. Adverse health effects from ozone exposure include chest pain, throat irritation, coughing, and congestion, in addition to reduced lung function and inflammation in the lining ofthe lungs. U.S. EPA issued a revised primary and secondary NAAQS for ozone in the March 27, 2008, Federal Register (FR) published at 73 FR 16511. Ozone standards were initially promulgated in 1971, with 1-hour standards set at 0.08 parts per million (ppm) for total photochemical oxidants. In 1979, U.S. EPA revised the NAAQS from an hourly average of 0.08 ppm oxidant to an hourly average of 0.12 ppm ozone. In 1997, U.S. EPA revised the standard again, setting the new limit at 0.08 ppm averaged over an 8-hour time frame. U.S. EPA made further revisions to the standards as legally mandated in the CAA, increasing the stringency of 8-hour ozone standards to provide increased protection for public health and welfare. In the 2008 revision, U.S. EPA further lowered the 8-hour ozone standard to 0.075 ppm. In this rulemaking, IDEM is proposing to amend 326 lAC 1-3-4 to incorporate portions of 40 CFR 50.15, revise the 8-hour ozone standard to 0.075 ppm, and update references to ensure consistency with federal regulations. PM is defined as a mixture of extremely small particles and liquid droplets composed of a number of different chemicals, including organic chemicals, metals, soil, or dust particles. Primary particles are generated from a number of activities, and are emitted directly from a source, such as construction sites, smokestacks, and fires. Additional forms can be generated as secondary particles through atmospheric reactions involving chemicals such as sulfur dioxide and nitrogen oxides emitted from industrial sources, automobiles, and power plants. The NAAQS for PM are differentiated by the U.S. EPA according to the diameter ofthe particle, with separate standards for PM2 5 , and for particulate matter with an aerodynamic diameter less than or equal to 10 micrometers (PMl0). Exposure to high levels of PM can be harmful to more vulnerable populations such as children, elderly, and nose with lung disease. PM2 5 related adverse health effects include increased hospital admissions and stays, emergency department vis1ls, and chronic respiratory issues requiring medical attention. The NAAQS are further differentiated by averaging time, with PM2 5 primary and secondary standards in place for 24-hour averages to protect against acute exposures, ana for annual averages to protect against chronic exposure. PM 10 primary and secondary standards are 24-hour averages only. U.S. EPA first established standards for PM in 1971 as "total suspended particles (TSP)". In the 1987 NAAQS revision, TSP was redefined as PM 10, and primary and secondary standards were aggregated. In the 1997 revisions, the regulatory structure distinguished PM2 5 and PM.J!l! with separate standards for each class of particulate, and 24-hour and annual averaging times for each. The I"M2..5 24-hour standard was lowered in the 2006 NAAQS revision, and the PM annual standard was revoked.**U.~.** EPA issued revised primary annual NAAQS for PM2 5 on January 15, 21P13, published at 78 FR 3277 where further distinctions were made in primary and secondary regulation of PM2 5, and PM 10 standards were left unchanged from the 2006 revisions. The primary annual PM 5 standard w·as lowered Trom 15.0 1Jg/m3 to 12.0 1Jg/m3

, and the secondary standard was retained at 15.0 1JgTm3

. The 24-hour standard was retained in level (35 1Jg/m3) and in form (ninety-eighth percentile}, providing supplementary protection against acute exposure events. U.S. EPA is additionally revising the form ofthe primary and secondary annual PM2 5 standards to remove the option for spatial averaging in order to avoid the potential for disproportionate impacts on at-risk populations. In this rulemaking, IDEM is proposing to amend 326 lAC 1-3-4 to incorporate portions of 40 CFR 50.18, revising the annual primary PM 2 5 standard to 12 1Jg/m3

. Existing secondary PM 2 5 standards are maintained, and references are updated to ensure consistency with federal regulations. · 

### IC 13-14-9-41dentification of Restrictions and Requirements Not Imposed under Federal Law No element ofthis draft rule imposes restrictions or requirements on persons to whom the draft rule applies that is not imposed under federal law. This draft rule imposes no restrictions or requirements because it is a direct adoption offederal requirements that are applicable to Indiana and contains no amendments that have a substantive effect on the scope or application ofthe federal rule. 

### Potential Fiscal Impact This rulemaking will amend the 8-hour ozone standard, incorporating portions of40 CFR 50.15 ensuring consistency with federal regulations. Also amended in this rulemaking is the PM 2 5 annual primary standard, incorporating portions of40 CFR 50.18 to ensure consistency with federal regulations. The strengthening ofthe ozone standard is not anticipated to impose additional costs beyond those anticipated at the federal level. The Regulatory Impact Analysis (RIA) ofthe 0.075 ppm ozone standard published by the U.S. EPA in 2008 did not indicate increased economic burden to the state as a result ofthe more stringent ozone regulations. The strengthening ofthe PM standard is not anticipated to impose additional costs beyond those anticipated at the federal level, as existing standards including clean diesel rules for vehicles and fuels, and rules to reduce pollution from power plants, marine vessels, and locomotives already in place will help 99 percent of counties

Date: Aug 19,2014 10:09:02AM EDT DIN: 20130821-IR-326130358FDA Page2

### Indiana Register meet the revised PM 2 5 

### standards without further emissions reductions. U.S. EPA estimates that meeting the new PM 2 

### primary annual·standard of 12 1Jg/m3 

### will provide significant health benefits.

### ~ecause these are an incorporation of existing federal law, no impact beyond that already imposed by the federal law is imposed by this rulemaking. Therefore there will be no fiscal impact from the implementation ofthis rulemaking. Public Participation and Work Group Information 

### At this time, no work group is planned for the rulemaking. Ifyou feel that a work group or other informal discussion on the rule is appropriate, please contact Zachary Ruzycki, Rule Development Branch, Office of Legal Counsel at (317) 232-8229 or (800) 451-6027 (in Indiana). Small Business Assistance Information 

### IDEM established a compliance and technical assistance program (CTAP) under IC 13-28-3. The program provides assistance to small businesses and information regarding compliance with environmental regulations. In accordance with IC 13-28-3 and IC 13-28-5, there is a small business assistance program ombudsman to provide a point of contact for small businesses affected by environmental regulations. Information on the CTAP program, the monthly CTAP newsletter, and other resources available can be found at: www.in.gov/idem/ctap For purposes of IC 4-22-2-28.1, small businesses affected by this rulemaking may contact the Small Business Regulatory Coordinator: Jessica Faust-Hamblin IDEM Small Business Regulatory Coordinator MC 60-04 IGCS W041 100 North Senate Avenue Indianapolis, IN 46204-2251 (317) 232-8172 or (800) 988-7901 ctap@idem.in.gov For purposes of IC 4-22-2-28.1, the Small Business Ombudsman designated by IC 5-28-17-5 is:

Eric P. Shields Indiana Economic Development Corporation One North Capitol, Suite 700 Indianapolis, IN 46204 (317) 234-3997 smallbizombudsman@iedc.in.gov Resources available to regulated entities through the small business ombudsman include the ombudsman's duties stated in IC 5-28-17-5, specifically IC 5-28-17-5(9), investigating and attempting to resolve any matter regarding compliance by a small business with a law, rule, or policy administered by a state agency, either as a party to a proceeding or as a mediator. The Small Business Assistance Program Ombudsman is: Brad Baughn IDEM Small Business Assistance Program Ombudsman MC 50-01 IGCN 1301 100 North Senate Avenue Indianapolis, IN 46204-2251 (317) 234-3386 or (800) 451-6027 bbaughn@idem.in.gov FINDINGS 

### The commissioner of IDEM has prepared findings regarding rulemaking on ambient air quality standards as required by federal rule. These findings are prepared under IC 13-14-9-8 and are as follows: (1) This rule is the direct adoption offederal requirements that are applicable to Indiana and it contains no amendments that have a substantive effect on the scope or intended application ofthe federal rule. (2) Indiana is required by federal law to adopt ambient air quality standards as established by the U.S. Environmental Protection Agency. (3) Regulated entities or those otherwise affected by the proposed rule will benefit from prompt adoption of this rule, as it offers consistency between federal and state ambient air quality standards. (4) I have determined that, under the specific circumstances pertaining to this rule, there would be no reasonably anticipated benefit to the environment or to persons regulated or otherwise affected by the proposed rule from the first or second public written comment period under IC 13-14-9-3 or IC 13-14-9-4, or from the first public hearing under IC 13-14-9-5(a)(1). (5) The draft rule is hereby incorporated into these findings.

Date: Aug 19,201410:09:02AM EDT DIN: 20130821-IR-326130358FDA Page 3Indiana Register
Thomas W. Easterly Commissioner Indiana Department of Environmental Management REQUEST FOR PUBLIC COMMENTS This notice requests the submission of comments on the draft rule language, including suggestions for specific revisions to language to be contained in the draft rule. Comments may be submitted in one ofthe following ways: (1) By mail or common carrier to the following address:

LSA Document #13-358 Zachary Ruzycki- Mail Code 61-50 Rule Development Branch Office of Legal Counsel Indiana Department of Environmental Management Indiana Government Center North 100 North Senate Avenue Indianapolis, IN 46204-2251 (2) By facsimile to (317) 233-5970. Please confirm the timely receipt ofyour faxed comments by calling the Rule Development Branch at (317) 233-8903. (3) By electronic mail to zruzycki@idem.in.gov. To confirm timely delivery ofyour comments, please request a document receipt when you send the electronic mail. PLEASE NOTE: Electronic mail comments will NOT be considered part ofthe official written comment period unless they are sent to the address indicated in this notice. (4) Hand delivered to the receptionist on duty at the thirteenth floor reception desk, Office of Legal Counsel, Indiana Government Center North, 100 North Senate Avenue, Indianapolis, Indiana. Regardless ofthe delivery method used, to properly identify each comment with the rulemaking action it is intended to address, each comment document must clearly specify the LSA document number ofthe rulemaking you are commenting on. COMMENT PERIOD DEADLINE All comments must be postmarked, faxed, or time stamped not later than September 20, 2013. Hand-delivered comments must be delivered to the appropriate office by 4:45 p.m. on the above-listed deadline date. Additional information regarding this action may be obtained from Zachary Ruzycki, Rule Development Branch, Office of Legal Counsel, (317) 232-8229 or (800) 451-6027 (in Indiana). DRAFT RULE SECTION 1. 3261AC 1-3-41S AMENDED TO READ AS FOLLOWS: 326 lAC 1-3-4 Ambient air quality standards Authority: IC 13-14-8; IC 13-17-3-4; IC 13-17-3-11 Affected: IC 13-15; IC 13-17
Sec. 4. (a) All measurements of air quality that are expressed as mass per unit volume, other than for the particulate matter (PM ) standards contained in subsection (b)(8) and lead (Pb) standards contained in subsection (b)(6), shalf-Be corrected to a reference temperature oftwenty-five (25) degrees Celsius and a reference pressure of seven hundred sixty (760) millimeters of mercury (one thousand thirteen and two-tenths (1,013.2) millibars), as micrograms per cubic meter (1Jg/m3). Measurements of PM2 5, for purposes of comparison to the standards contained in subsection (b)(8), and Pb, for purposes of comparison to the standards contained in subsection (b)(6), shall be reported based on actual ambient airvolume measured at the actual ambient temperature and pressure at the monitoring site during the measurement period. (b) Ambient air quality standards are as follows: (1) Sulfur oxides as sulfur dioxide (SO ) requirements are as follows:

(A) For the primary one (1) hour amBient air quality standard, the maximum permissible ambient air quality level shall be seventy-five (75) parts per billion (ppb). The one (1) hour standard is attained when the three (3) year average ofthe annual ninety-ninth percentile ofthe daily maximum one (1) hour average concentration is less than or equal to seventy-five (75) ppb, as determined in accordance with 40 CFR 50,
Date: Aug 19,2014 10:09:02AM EDT DIN: 20130821-IR-326130358FDA Page4Indiana Register Appendix T* and measured in the ambient air as S02 by a reference method based on 40 CFR 50, Appendix A-1* or 40 CFR 50, Appendix A-2*, or an equivalent method designated in accordance with 40 CFR 53*. (B) For the secondary standard, the following value shall represent the maximum permissible ambient air quality level: one thousand three hundred (1 ,300) 1Jg/m3 (five-tenths (0.5) ppm) maximum three (3) hour concentration not to be exceeded more than once per year. The three (3) hour averages shall be determined from successive nonoverlapping three (3) hour blocks starting at midnight each calendar day and shall be rounded to one (1) decimal place (fractional parts equal to or greater than five-hundredths (0.05) ppm shall be rounded up). Sulfur oxides shall be measured in the ambient air as S02 by the reference method described in 40 CFR 50, Appendix A-1* or 40 CFR 50, Appendix A-2*, or by an equivalent method designated in accordance with 40 CFR 53*. To demonstrate attainment, the second-highest three (3) hour average must be based upon hourly data that are at least seventy-five percent (75%) complete in each calendar quarter. A three (3) hour block average shall be considered valid if:

(i) all three (3) hourly averages for the three (3) hour period are available; or (ii) only one (1) or two (2) hourly averages are available, but the three (3) hour average would exceed the level of the standard when zeros are substituted for the missing values, subject to the rounding rule ofthis clause. In all cases, the three (3) hour block average shall be computed as the sum ofthe hourly averages divided by three (3). (C) S02 values may be converted to ppm using the conversion factor two thousand six hundred twenty (2,620) 1Jg/m3 

### = one (1) ppm. (2) Total suspended particulates (TSP) requirements are as follows:

(A) For primary standards, the following values shall represent the maximum permissible ambient air quality levels:

(i) Seventy-five (75) f.Jg/m3 annual geometric mean. (ii) Two hundred sixty (260) 1Jg/m3 maximum twenty-four (24) hour average concentration not to be exceeded more than one (1) day per year. (B) For secondary standards, the following value shall represent maximum permissible ambient air quality levels: one hundred fifty (150) 1Jg/m3 maximum twenty-four (24) hour average concentration not to be exceeded more than one (1) day per year. (3) Carbon monoxide (CO) requirements are as follows:

(A) For primary and secondary standards, the following values shall represent the maximum permissible ambient air quality levels:

(i) Ten (10) milligrams per cubic meter (mg/m3) (ten thousand (10,000) 1Jg/m3) (nine (9) ppm) maximum eight (8) hour averajle concentration not to be exceeded more than once per year. (ii) Forty (40) mg/m (forty thousand (40,000) 1Jg/m3) (thirty-five (35) ppm) maximum one (1) hour average concentration not to be exceeded more than once per year. (B) CO values may be converted to ppm using the conversion factor one thousand one hundred forty-five (1, 145) f.Jg/m3 

# =one (1) ppm. (4) Ozone (03) requirements are as follows:

(A) For the one (1) hour ozone standards, the level ofthe one (1) hour primary and secondary ambient air quality standards for ozone measured by a reference method based on 40 CFR 50, Appendix D* and**desi~nated** in accordance with 40 CFR 53* is twelve-hundredths (0.12) ppm (two hundred thirty-five (235) IJg/m ). The standard is attained when the expected number of days per calendar year with maximum hourly average concentrations above twelve-hundredths (0.12} ppm (two hundred thirty-five (235) f.Jg/m3) is equal to or less than one (1) as determined by 40 CFR 50, Appendix H*. (B) For the eight (8) hour ozone standards, the:

(i) level ofthe eight (8) hour primary and secondary ambient air quality standards for ozone, measured by a reference method based on 40 CFR 50, Appendix D* and designated in accordance with 40 CFR 53*, is eight hundredths (0.08) seventy-five thousandths (0.075) ppm, daily maximum eight (8) hour average; and (ii) eight (8) hour primary and secondary ozone ambient air quality standards are met at an ambient air quality monitoring site when the average ofthe annual fourth highest daily maximum eight (8) hour average ozone concentration is less than or equal to eight hundredths (0.08) seventy-five thousandths (0.075) ppm as determined in accordance with 40 CFR 50,**Appendix~** P*. (C) 0.3 values may be converted to ppm using the conversion factor one thousand nine hundred sixty-five (1 ,96o) 1Jg/m3 = 1.0 ppm. (5) Nitrogen dioxide (N02) requirements are as follows:

(A) For the primary one (1) hour ambient air quality standard, the maximum permissible ambient air quality level shall be one hundred (100) ppb, one (1) hour average concentration, measured in the ambient air as N02. The one (1) hour standard is attained when the three (3) year average ofthe annual ninety-eighth

Date: Aug 19,2014 10:09:02AM EDT DIN: 20130821-IR-326130358FDA Page 5Indiana Register percentile ofthe daily maximum one (1) hour average concentration is less than or equal to one hundred (100) ppb, as determined in accordance with 40 CFR 50, Appendix S*. (B) For the annual primary standard, the following value shall represent the maximum permissible ambient air quality level: one hundred (1 00) JJg/m3 (fifty-three thousandths (0.053) ppm) annual average concentration in a calendar year. The annual primary standard is attained when the annual average concentration in a calendar year is less than or equal to fifty-three (53) ppb, as determined in accordance with 40 CFR 50, Appendix S* for the annual standard. (C) For the annual secondary standard, the following value shall represent the maximum permissible ambient air quality level: one hundred (100) JJg/m3 (fifty-three thousandths (0.053) ppm) annual arithmetic mean concentration in a calendar year. The secondary standard is attained when the annual arithmetic mean concentration in a calendar year is less than or equal to fifty-three thousandths (0.053) ppm, rounded to three (3) decimal places (fractional parts equal to or greater than five ten-thousandths (0.0005) ppm must be rounded up). To demonstrate attainment, an annual mean must be based upon hourly data that are at least seventy-five percent (75%) complete or upon data derived from manual methods that are at least seventy-five percent (75%) complete for the scheduled sampling days in each calendar quarter. 

### (D) N02 values may be converted to ppm using the conversion factor one thousand eight hundred eighty (1 ,880) JJg/m3 =one (1) ppm. 

### (E) The levels ofthe standards shall be measured by:

(i) a reference based on 40 CFR 50, Appendix F*; or (ii) an equivalent method designated in accordance with 40 CFR 53*. (6) Pb: For primary and secondary standards, the following value shall represent the maximum permissible ambient air quality level: fifteen-hundredths (0.15) JJg/m3

, arithmetic mean concentration over a three (3) month period. The standards are attained when the maximum arithmetic three (3) month mean concentration for a three (3) year period is less than or equal to fifteenth-hundredths (0.15) JJg/m3

, as determined in accordance with 40 CFR 50, Appendix R* and measured in the ambient air as Pb by either: (A) a reference method based on 40 CFR 50, Appendix G*, and designated in accordance with 40 CFR 53*; or 

### (B) an equivalent method designated in accordance with 40 CFR 53*. (7) PM 1 : For primary and secondary standards, the maximum permissible ambient air quality level is one hundretffifty (150) JJg/m3 maximum twenty-four (24) hour average concentration. The standards are attained when the expected number of days 

# per calendar year with a twenty-four (24) hour average concentration above one hundred fifty (150) JJg/m , as determined in accordance with 40 CFR 50, Appendix K,* is equal to or less than one (1 ). (8) PM 5 requirements are as follows:

(A) For the primary and seeondary standards, annual standard, the following 

### valHes value shall represent the maximum permissible ambient air quality levels: (/\) Fifteen (15) level: twelve (12) micrograms per cubic meter (JJg/m3) annual arithmetic mean concentration. The standards are standard is attained when the annual arithmetic mean concentration is less than or equal to fifteen (15) twelve (12) JJg/m3

, as determined in accordance with 40 CFR 50, Appendix N*, as amended by 78 FR 3277, and measured in the ambient air as PM 2 by either:

(i) a reference

## met~od based on 40 CFR 50, Appendix L*, and designated in accordance with 40 CFR 53*; or (ii) an equivalent method designated in accordance with 40 CFR 53*. (B) Forthe secondary annual standard, the following value shall represent the maximum permissible ambient air quality level: fifteen (15) micrograms per cubic meter (1Jg/m3) annual arithmetic mean concentration. The standard is attained when the annual arithmetic mean concentration is less than or equal to fifteen (15) 1Jg/m3

, as determined in accordance with 40 CFR 50, Appendix N*, as amended by 78 FR 3277, and measured in the ambient air as PM 2 5 by either:

(i) a reference method based on 40 CFR 50, Appendix L*, and de"signated in accordance with 40 CFR 53*; or 

### (ii) an equivalent method designated in accordance with 40 CFR 53*. 

## fB1 (C) For the primary and secondary 24-hour standard, the following value shall represent the maximum permissible ambient air quality level: thirty-five (35) JJg/m3 twenty-four (24) hour average concentration. The standards are attained when the ninety-eighth percentile twenty-four (24) hour concentration is less than or equal to thirty-five (35) micrograms per cubic meter (JJglm\ as determined in accordance with 40 CFR 50, Appendix N*, as amended by 78 FR 3277, and measured in the ambient air as PM2 by either:

(i) a reference method based on 40 CFR 50, Appendix L*, and designated in accordance of 40 CFR 53*; or (ii) an equivalent method designated in accordance with 40 CFR 53*.

Date: Aug 19,201410:09:02AM EDT DIN: 20130821-IR-326130358FDA Page 6Indiana Register *These documents are incorporated by reference. Copies may be obtained from the Government Printing Office, 732 North Capitol Street NW, Washington, D.C. 20401 or are available for review and copying at the Indiana Department of Environmental Management, Office of/\ir Quality, 

### Legal Counsel, Indiana Government Center North, 

### +eAtR Thirteenth Floor, 100 North Senate Avenue, Indianapolis, Indiana 46204. 

### (Air Pollution Control Division; 3261AC 1-3-4; filed Mar 10, 1988, 1:20p.m.: 111R 2378; filedApr 13, 1988, 3:35 p.m.: 111R 3020; readopted filed Jan 10, 2001, 3:20p.m.: 241R 1477; filed May21, 2002, 10:20 a.m.: 251R 3055; filed Mar9, 2004, 3:45p.m.: 27 IR 2224; filed Dec 20, 2004, 2:15p.m.: 281R 1471; filed Mar6, 2006, 3:00 p.m.: 291R 2179; filed Sep 24, 2010, 1:44 p.m.: 20101020-IR-326100127FRA; filed Feb 9, 2011, 10:29 a.m.: 20110309-IR-326100495FRA; filed Dec 19, 2012, 4:22p.m.: 20130116-IR-326120510FRA)

Notice of Public Hearing



### Posted: 08/21/2013 byLegislative Services Agency An html version ofthis document.

Date: Aug 19,2014 10:09:02AM EDT DIN: 20130821-IR-326130358FDA Page 7Indiana Register TITLE 326 AIR POLLUTION CONTROL DIVISION

Notice ofPublic Hearing Notice of Public Hearing LSA Document #13-358

Under IC 4-22-2-24. IC 13-14-B-6. and IC 13-14-9. notice is herebygiven that on February 12, 2014, at 1:30 p.m., at the Indiana Government Center South, 302 West Washington Street, Conference CenterRoom A, Indianapolis, Indiana, the Environmental Rules Board will hold

### a public hearing on amendments to 3261AC 1-3-4 concerning national ambient airquality standards for ozone andparticulate matter. The purpose ofthis hearing is to receive comments from the public prior to final adoption ofthese rules by the board. Allinterestedpersons are invited and will be given reasonable opportunity to express their views concerning the proposed amendments. Oral statements will be heard, but, for the accuracy ofthe record, all comments should be submitted in writing. Additionalinformation regarding this action maybe obtained from Zachary Ruzycki, Rule Development Branch, Office ofLegal Counsel, (317) 232-B229 or (BOO) 451-6027 (in Indiana). Individuals requiring reasonable accommodations forparticipation in this event should contact the Indiana Department ofEnvironmental Management, Americans with Disabilities Act coordinatorat: Attn: ADA Coordinator Indiana Department ofEnvironmental Management Indiana Government CenterNorth 100 North Senate Avenue Indianapolis, IN 46204-2251 orcall (317) 233-17B5 (V). Speech and hearing impaired callers may contact IDEM via the Indiana Relay Service (711) or(BOO) 

### 743-3333. Please provide 

### a minimum of72 hours notification. Copies ofthese rules are now on file at the Rule Development Branch, Office ofLegal Counsel, Indiana Department ofEnvironmental Management, Indiana Government CenterNorth, 100 North Senate Avenue, Thirteenth Floorand Legislative Services Agency, Indiana Government CenterNorth, 100 North Senate Avenue, Room N201, Indianapolis, Indiana and are open forpublic inspection. Nancy King, Chief Rule Development Branch Office of Legal Counsel

Posted: OB/21/2013 byLegislative Services Agency An html version ofthis document.

Date: Aug 19,201410:11:15AM EDT DIN: 20130821-IR-326130358PHA Page 1

### INDIANA DEPARTMENT OF 

### ENVIRONMENTAL MANAGEMENT We ProtectHoosiers and OurEnvironment. 100 N. Senate Avenue • Indianapolis, IN 46204 (800) 451-6027 • (317) 232-8603 • www.idem.IN.gov Michael R. Pence Govemor Thomas W. Easterly Commissioner



### March 17, 2014



## CERTIFICATE OFPUBLICATION This is to certifythatthe IndianaDepartment ofEnvironmental Management (IDEM) Legal Notice is providing an opportunityfor a public hearing regarding:

411 

### Revisions to Ozone andPM2

### .s Standards, LSA#13-358

411 

### Updates to References to the Code ofFederal Regulations, 2013 CFRUpdate, LSA #13- 501

werepublished onIDEM'sweb site onor before March 19,2014. It

### willremainposted on the siteuntil atleastApril21, 2014.

. · The notice infull maybe found atthe following web address, underthe "Statewide" category. http://www.in.gov/idem/6777.htm Webpublicationofthenotice was atthe request ofChristine Pedersen, Section Chie.f, Rule Development Section, Office ofLegal Counsel, IDEM.

Attachments: Copy ofwebpage as published. By:

MikeFinkelstein IDEMWebmaster 

# 0 (!} RecycledPaperTe:tFiri:lanAg=IY"..yFin:laF\arsont>=untCenterOnllreSeil'i:'crrF,4QsHelpA-l!,A+iifiDB.IHomeAhoute-seMcesNOTICES:fieaW·ed-r;opilicsTtws'ISPoe,ti1JG1'JoeSa-IPliorll!tmicesOOW'Jln!llli!!emrirellld!lail:a..NewsB:llltfE\t·E:lLliS·azrel:jl]ireeibyPublltJu:lf·ormatn•onrel,<med!tll•'llheforl]tlbiJ.tnot;p1lllllsecl1illliktl:'.AfactSheets:F<l•IIi!l:SMC1P&Ruf<esSllbS<J:riiptlmw:Wantto!..'TiiDI\'1:nav[l!ltioes.oo:>DOllasthey'repiiJ<>lieljj'!Yi[)lliDnowregiioo,]lollw.i11i:Jes<mtane-malillurre:ttmessagetoyol.llr!}l:iOM[!llery1imeIDEM,lii[J'JIDSiiirl!l<lii1!J:Inevermissanel'l]lll's!ITngl.i•ocl[tilcoo'!illeslllhsll:ri!ltli:!DJtin!:··Guntact.itriGJrma.tiOIJil.Aboo:t't"ourEmrJlrommentAirQua:li1.yAifr.o>Ii<esPmgramrBolije-•GFeelllbC1ean'Waterrllllbdlttlila00J1llli11ttl"lltyHrea1ahlf,ec:fmkatTY!JeafNOUi&e/EYemtIFID:Fl7 814 1521222829.;..]1:56:11Plv'lllif-:.

## LEGAL NOTICE Revisions to Ozone and 

## PM2.s Standards arid Updates to References to the Code ofFederalRegulations Notice is hereby given under 40 CFR 51.102 thatthe Indiana Depmiment of Environmental Management (IDEM) is providing an oppotiunity for a public hearing regarding revisions to: a rule concerningthe national ambient air quality standards for the 2008 8-hour ozone standard, and the 2012 annual particulate matter with an aerodynamic diameter less than or equal to 2.5 micrometers (PM2

### .s) standard at 326 lAC 1-3-4; and a rule concerning an update to 326 lAC 1-1-3 to revise the reference to the Code ofFederal Regulations (CFR) to mean the July 1, 2013, edition, to 326 lAC 11-6 to remove obsolete language,.-and to 326 lAC 20-95-1 to update a reference to the CFR. All interestedpersons are invited and will be given a reasonable oppmiunity to express theirviews concerning theproposedrules. Copies ofthe proposed air program rules are also available to any person uponrequest, may be viewed online viathe Internet from local libraries, and are available for public inspection at the following locations: Indiana Department ofEnvironmental Management, Office ofLegal Counsel, Indiana Government Center-North, 100 Nmth Senate Avenue, 13thFloor, Indianapolis< Indiana 46204. Indiana Department ofEnvironmental Management, Nmthwest Office, 330 WestUS Highway 30, Suites E and F, Valparaiso, IN46385. Indiana Depmtment ofEnvironmental Management, Northern Office, Suite 450, 300 N. Michigan Street, SouthBend, Indiana 46601. Indiana Department ofEnvironmental Management, Southwest Office, 1120 North Vincennes Avenue,**P~O.** 

### Box 128, Petersburg, Indiana 47567-0128. Indiana Department ofEnvironmental Management, Southeast Office, 820 West Sweet Street, Brownstown, Indiana47220-9557. · Legislative Services Agency, Indiana Government Center-Nmth, 100 North Senate Avenue, RoomN201, Indianapolis, Indiana46204.

The following air programrules are noticed for the publichearing: Ozone and 

## PM2.5 

### Standards (LSA 

## # 13-358). Thepurpose ofthis hearing is to receive public comment on amendments·to 326 lAC 1-3-4 concerning the national ambient air quality standards for the 2008 8-hour ozone standard, andthe 2012 annualparticulate matterwith an aerodynamic diameter less than or equal to 2.5 micrometers (PM2.5) 

### standard. This rule will be submittedto the United States Environmental ProtectionAgency as a revisionto the State Implementation Plan required by the Clean Air Act. A copy ofthe mostrecently published version ofthis rule is available at: http://www.in.gov/idem/5679.htm. · 2013 CFRUpdate (LSA 

### # 13-501). The purpose ofthis hearing is to receive public comment on amendments to 326 lAC 1-1-3 concerning anupdate to references to the CFR to meanthe July 1, 2013, edition, to 326 lAC 11-6 to remove obsolete language, andto 326 lAC 20-95-1 to update a reference to the CFR. This rule will be submitted to the United States Environmental ProtectionAgency as a revisionto the State Implementation Plan required bythe Clean Air Act.

### A copy ofthe most recently published vers!on ofthis rule is available at: http://www.in.gov/idem/5679.htm. Requests for apublic hearing mustbe submitted on or before April21, 2014. Ifno timely request for a public hearing is received a hearing will notbe held. Interestedpmiies can contact Christine Pedersen at the contact information listed belowto see ifahearing has been scheduled. Ifa hearing is scheduled another legal notice will bepublished stating the date, time, and location ofthe meeting. · For additional information contact Christine Pedersen, atthe Indiana Depmiment of Environmental Management, Rules DevelopmentBranch, Mail Code 60-01, Office ofLegal Counsel, Indiana Govermnent CenterNmih, 100 Nmih Senate Avenue, Indianapolis, Indiana, 46204, e-mail at cpederse@idem.in.gov, orcall (317) 233-5684 or (800) 451-6027 ext. 3-5684 (in Indiana).**:;~,** 

### 1 

## 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23**~** 

## BEFORE THE STATE OF INDIANA ENVIRONMENTAL RULES BOARD

PUBLIC MEETING OF APRIL 9, 2014 

# OR1GiNAL

PROCEEDINGS before the Indiana Environmental Rules Board, Beverly Gard, Chairman, taken before me, Lindy L. Meyer, Jr., a Notary Public in and for the State of Indiana, County of Shelby, at the Indiana Government Center South, Conference Center, Room A, 402 West Washington Street, Indianapolis, Indiana, on Wednesday, April 9, 2014 at 1:31 o'clock p.m.

William F. Daniels, RPR/CP CM d/b/a ACCURATE REPORTING OF INDIANA 12922 Brighton Avenue Carmel, Indiana 46032 (317) 848-0088 1.I

# ~. 1 2 3 4 5 6 7 8 9 10 11

# ~- 12 13 14 15 16 17 18 19 20 21 22 23
,'( 

# t -· APPEARANCES: BOARD MEMBERS: Beverly Gard 1 

## Chairman Thomas R. Anderson Gary Powdrill Dr. Ted N.iemiec Joanne Alexandrovich Kelly Carmichael Ken Rulon Chris Horn Gail Boydston Calvin Davidson Mike Mettler 1 

## Proxy 1 

## Department of Health Pamela Fisher 1 

## Proxy 1 

## Indiana Economic Development**Corporat~on** 

## David Bausman/ Proxy 1 

## Lieutenant Governor Thomas W. Easterly (n6nvoting)

IDEM STAFF MEMBERS: Keith Baugues Chris Pedersen Susan Bern MaryAnn Stevens Bruno Pigott Paul Dubenetzky Martha Clark Mettler .Nancy King

Betsy Rouse Janet Pittman ON BEHALF OF THE EPA: Susan Hedman 1 

## Region V Regional Administrator

PUBLIC SPEAKERS: Jennifer Thompson 2'

....

### \ ! 

## 1

2 

### 3 

## 4 5
6

7


### 8
9 

## 10 11 12 ) ' 

### 13 

## 14 15 16 

## 17 18 19 20 21 22 23

i 

## CHAIRMAN GARD: 1:31 o'clock p.m. April 9, 2014



## I'm Beverly Gard, the3



## Chair of the Environmental Rules Board, and I call the meeting to order. It appears that a quorum is present. I'm going start with the Commissioner and go around the room, and then I have a special introduction. COMM. EASTERLY: So, I'm Tom Easterly, the Commissioner of the Indiana Department of Environmental Management. MR. BAUSMAN:. David Bausman, Director of Policy, Indiana State Department of Ag, proxy for the Lieutenant Governor. MR. METTLER: Mike Mettler, the proxy for the State Health Commissioner, Dr. VanNess. M,S. FISHER: Pam Fisher, proxy for Secretary of Commerce Victor Smith. MS. BOYDSTON: Gail Boydston, representing manufacturing. CHAIRt"lAN GARD: Beverly Gard, general public. MR. POWDRILL: Gary Powdrill,

## 24 

# 0 1 CFR Update, and Utility NESHAP, if that's the way 2 

## we pronounce it, the acronym. There will also be 3 a public hearing prior to consideration for 4 preliminary. adoption of Exceptional Use waters. 5 The rules being considered at today's 6 meeting were included in the Board packets and 7 are available for public inspection at the Office 8 of Legal Counsel, 13th floor, Indiana Government
9 

## Center North, Monday through Friday between the 10 hours of 8:45 a.m. and 4:45p.m. 11 A written**trans~ript** 

## of today's meeting 

# 0 12 will be made. The transcript and any written

.

### . 

## 13 submission will be open for public inspection at 14 the Office of Legal Counsel. Copies may be made 15 for the cost of copying. 16 Will the official reporter for the cause 17 please stand, raise your right hand and state 18 your name? 19 

## (Reporter sworn.) 20 CHAIRMAN GARD: Thank you. 21 Now we'll move to public hearing for final 22 adoption of Ozone and PM 2

_5 

## Standards. I will now 23 introduce Exhibit A, the draft rules. Is there**~** \

## 25

•' 

## ( 1 someone from the Department to present the rule? 2 Chris. 3 MS. PEDERSEN: This rule proposes the 4 adoption of the recently revised Ozone and Fine 5 Particulate, or PM 2 . 5 ,**Stan~ards,** 

## for consistency 6 with federal regulations. U.S. EPA issued 7 revised primary and seco?dary standards for ozone 8 on March 27th, 2008. Those .standards were 9 lowered from an eight-hour average of 0.08 parts 10 per million to 0.075 parts per million. 11 On January 15th, 2013, U.S. EPA published 

# ( 12 a revised primary annual PM 2 

### .s 

## standard. The 13 primary annual PM2 • 5 

## standard was lowered from 15 14 to 12 micrograms per cubic meter. The secondary 15 standard and the 24-hour PM 2 . 5 

## standard were 16 retained at their previous levels. It also 17 revised the form of the primary and secondary 18 annual PM 2 . 5 

## standards. 19 A minor administrative update to an 20 internal agency has also been made in this rule. 21 This rulemaking amends 326 IAC 1-3-4 tp 22 include the most recent Ozone and PM 2 . 5 

## Standards 23 to ensure cons.istency with federal regulations. ( • 

## ..I 

### /·· ' 

### \ \ 

## 26



## 1 IDEM.recommends that the Board adopt the 2 rule.
3 

## CHAIRMAN GARD: Any questions for 4 Chris? 5 (No response.)

6 

## CHAIRMAN GARD: There are no speaker 7 cards turned in. Is there anyone that would like 8 to speak on the issue?

9 

## (No response.) 10 

## CHAIRMAN GARD:· Seeing none 1 

## the 11 hearing is concluded. The Board will now 12 

## consider final adoption of the ozone and PM2 . 5 

### 13 

## Standards. Is there any discussion from the 14 Board? 15 (No response.) 16 

## CHAIRMAN GARD: Okay. Is there a 17 motion for final adoption of the rule as 18 presented? 19 

## MR. BAUSMAN: So moved.
20 

## CI{AIRMAN GARD: Is there a second? 21 

## MR. HORN: Second the motion. 22 CHAIRMAN GARD: Okay. I'll call the 23 roll 1 

## and hopefully everybody's on it this time.

### 27 

# ( 1 

## (Laughter.) 2 

## CHAIRMAN GARD: Mr. Rulon? 3 

## MR. RULON: Yes. 4 

## CHAIRMAN GARD: Mr. Carmi·chael? 5 

## MR. CARMICHAEL: Dr. Alexandrovich?
6 

## MS. ALEXANDROVICH: Yes.
7 

## CHAIRMAN GARD: Dr. Niemiec? 8 

## DR. NIEMIEC: Yes.

9 

## CHAIRMAN GARD: Mr. Powdrill? 10 

## MR

..POWDRILL: Yes. 11 

## CHAIRMAN GARD: Mr. Anderson? 

# ( 12 

## MR. ANDERSON: Yes. 13 

## CHAIRMAN GARD: Mr. Etzler? He's not 14 

## here. 15 

## Ms. Boydston? 16 

## MS. BOYDSTON: Yes. 17 

## CHAIRMAN GARD: Mr. Davidson? 18 

## MR. DAVIDSON: Yes. 19 

## CHAIRMAN GARD: Mr. Horn? 20 

## MR. HORN: Yes. 21 

## CHAIRMAN GARD: Ms. Fisher?

' 

### 22 

## MS. FISHER: Yes. 23 

## CHAIRMAN GARD: Mr. Mettler? 

## (

### 28



## 1 MR. METTLER: Yes.
2 

## CHAIRMAN GARD: Mr. Bausman?
3 

## MR. BAUSMAN: Yes.
4 

## CHAIRMAN GARD: Mr; Smith?
5 

## MR. POWDRILL: Not here.

6 

## CHAIRMAN GARD: Not here. And the
7 

## Chairman votes aye. Thirteen ayes and zero nays 1 

## 8 so the motion has passed·. 9 This will be a public hearing before the 10 

## Environmental Rules Board concerning final 11 

## adoption of amendments to rules at 326 IAC 1 1 

## 12 326 IAC 11 and 326 IAC 20 1 

## updating references to 13 

## the Code of Federal Regulations for CFR in the 14 

## rules. I will now introduce Exhibit 

## B 1 

## the draft 15 rules 1 

## into the record for the hearing. 16 And again/ Chris is going to present the 17 rule. 18 

## MS. PEDERSEN: This rule has about 19 three primary functions I wanted to discuss
20 

## briefly. The first purpose of this rule is to 21 update the reference to the Code of Federal 22 Regulations, or CFR 1 

## in 326 lAC 1-1-3 1 

## to the 23 July lst 1 

### i013 

## edition.

## 70 

# ( 1 CERTIFICATE 2 I, Lindy L. Meyer, Jr., the undersigned 3 Court Reporter and Notary Public residing in the 4 City of Shelbyville,_.Shelby County, Indiana, do 5 hereby certify that the foregoing is a true and 6 correct transcript of the proceedings taken by me 7 on Wednesday, April 9, 2014 in this matter and 8 transcribed by me. 9 10 11 Lindy L. Meyer, Jr., 

# ( 12 Notary Public in and 13 for the State of Indiana. 14 15 My Commission expires October 27, 2016. 16 17 18 19 20 21 22 23

### Bold =new language Stdkeout = 

### existing language deleted 

### inthis rulemaking 

## TITLE 326 AIRPOLLUTION CONTROL DIVISION DRAFTRULE

. LSADocument#13-358 .DIGEST Amends 326 lAC 1-3-4 concer:rllng the national ambient air quality standards for the 2008 8-hour ozone standard, andthe 2012·-afu:i.ual particulate matter with an aerodynamic diameter less than or equalto 2.5 micrometers (PM25) 

### standard. Effective 30·days after filingwith-the Publisher. 

## IDSTORY Findings andDetermination ofthe CommissionerPursuant to IC 13-14-9-8: August 21, 2013, IndianaRegister (DIN: 20130821-IR-326130358FDA). · Notice ofHearing:· August21, 2013, IndianaRegister (DIN: 20130821-IR326130358PHA). Change inNotice ofPublicHearing: November 20, 2013, IndianaRegister (DIN: 20131120-IR-326130358CHA). Change inNotice ofPublicHearing: January 29,2014,**IndianaR~gister** 

### (DIN: 20140129-IR-326130358CHA). Date ofHearing: April9, 2014. 

## 326 lAC 1-3-4 DRAFT RULE

. . 

### SECTION 1. 326 lAC 1-3-4 IS AMENDED TO READ AS FOLLOWS: 

## 326 lAC 1-3-4 Ambient airquality standards Authority: IC 13-14-8; IC 13-17-3-4; IC 13-17-3-11 Mfected: IC13-15; IC 13-17
Sec. 4. (a) Allmeasurements ofair quality that are expressed as mass per unitvolume, otherthanfot: theparticulate matter (PM25) 

### standards containedin subsection (b)(8) and lead (Pb) standards containedin subsection (b)(6), shallbe correctedto a reference temperature of twenty-five (25) degrees Celsius and a reference pressure ofsevenhundred sixty (760) millimeters ofmercury (onethousandthirteen and two-tenths (1,013.2) millibars), as micrograms per cubic meter (J..Lg/m 3). 

### Measurements ofPM2'5 , 

### forpurposes ofcomparisonto the standards containedin subsection (b)(8), andPb, for purposes ofcomparisonto the**standard~** 

### containedin subsection (b)(6), shallbereportedbased on actual ambient air volumemeasured atthe actual Page 1 of 5

### ambienttemperature andpressure atthe monitoring site during the measurementperiod. 

## (b) Ambient air quality standards are as follows: (1) Sulfur oxides as sulfur dioxide (S02) 

### requirements are as follows: (A) Forthe primary one (1) hour ambient air quality standard, themaximum permissible ambient air quality level shall be seventy-five (75) palisper billion (ppb). Tl;le one (1) hour standardis attained whenthethree.(3) year average ofthe annualninety-ninthpercentile ofthe daily maximum one 

## (1) hour average concentration is less than or equal to seventy-five (75) ppb, as determined in accordance with40 CFR 50, Appendix T* andmeasuredinthe ambient air as S02 

### by a reference methodbased on40 CFR50, Appendix A-1 *or40 CFR 50, AppendixA-2*, or an equivalentmethod designated in accordance with40 CFR 

### 53*. (B) Forthe secondary standard, the following value shallrepresentthe maximum permissible ambient air quality level: one thousand.three hundred (1,300) f..Lg/m3 

### (five-tenths (0.5) ppm) maximumth;ree (3) hour concentrationnottobe exceeded more than onceperyear. The three (3) hour averages shallbe determinedfrom successive nonoverlappingthree (3) hour blocks starting at midnight each calendar day and shall beroundedto one (1) decimalplace (fractionalparts equal to or ·greaterthanfive-hundredths (0.05) ppm sh.all beroundedup). Sulfur oxides shall bemeasuredinthe ambient air as 

# so2 bythe reference method described in 40 CFR50, Appendix A-1 * or 40 CFR 50, AppendixA-2*, orby an equivalent method designated in accordance withAO CFR 53*. To demonstrate attainment, the second-highestthree (3) hour average mustbebaseduponhourly datathat are atleast seventy-fivepercent (75%) completeineach calendar qualier. A three 

## (3) hourblock average shall be consideredvalidif: (i) allthree (3)'hourly averages forthe three (3) hour period are available; or (ii) only one (1) or two (2) hourly averages are available, butthe three (3) hour average would exceed the level ofthe standardwhenzeros are substitutedfor themissingvalues, subjectto therounding mle ofthis clause. · In all cases, thethree (3) hourblock average shall be computed as the sum ofthe hourly averages dividedbythree (3). · (C) S02 

### values maybe convertedto ppmusingthe conversionfactor two thousand sixhundredtwenty (2,620) ).Lg/m 3 

### = 

### one (1) ppm. (2) Total suspendedpaliiculates (TSP) requirements are as follows: (A) Forprimary standards, the following values shallrepresentthe maximum permissible ambient air qualitylevels:. (i) Seventy-five (75) ).Lg/m 3 

### annualgeometricmean. . (ii) Two hundred sixty (260) ).Lg/m3 

### maximumtwenty-four (24) hour a:verage concentrationnotto be exceededmorethanone (1) dayperyear. (B) For secondary standards, the following value shallrepresentmaximum

Page 2 of 5

### permissible ambient air quality levels: one hundredfifty (150) !lg/m 3 

### maximum twenty-four (24) hour average concentrationnotto be exceededmorethan one (1) dayper year. (3) Carbonmonoxide (CO) requirements are as follows: (A) Forprimary and secondary standards, thefollowing values shall representthe maximumpermissible ambient air quality levels: (i) Ten (10) milligrams per cubicmeter (mg/m 3) 

### (tenthousand (1

### 0,000)

## ~g/m**)** (nine (9) ppm) maximum eight (8) hour average concentrationnot tobe exceededmorethan once peryear. (ii) Forty (40) mg/m 3 

### (forty thousand (40,000) !lg/m 3) 

### (thirty-five (35) ppm) maximum one (1) hour average concentrationnotto beexceeded morethan onceperyear. (B) CO values maybe convertedto ppmusing the conversionfactor onethousand one hundredforty-five (1,145) !lg/m 3 

### = 

### one (1) ppm; (4) Ozone (03) 

### requirements are as follows: (A) Forthe one 

## (1) hour ozone standards, the level ofthe one (1) hour primaty and secondmy ambient air quality standards for ozone measuredby a reference method based on40 CFR50, Appendix D* and designated in accordance with40 CFR 53* is twelve-hundredths .(0.12) ppm (two hundredthirty-five (235) !lg/m 3). 

### The standard is attained whenthe expectednumber ofdays percalendar yearwith

· maximumhourly average concentrations above twelve-hundredths (0.12) ppm

(two hundredthirty-five (235) !lg/m 3) 

### is equal to orless than

## ~ne (1) as determinedby40 .CFR 50, AppendixH*. · (B) For the eight (8) hour ozone standards, the: (i) level ofthe eight (8) hourprimary and seconqmy ambient air quality standards for ozone, measured by a reference metho<;l based on 40 CFR 50, AppendixD* and designated 

## inaccordance with 40 CFR53*, is

## eigl'rrhundtedths 

## (fT.OOJ seventy-five thousandths (0.075) ppm, dailymaximum eight (8) :P.our average; and (ii) eight (8) hourprimary and secondary ozone ambient air. quality standards are met at an ambient air quality**monitori~g** 

### site whenthe average ofthe annual fourth highest daily maximum eight (8) hour average ozone concentrationis less than or equalto eight-htmd:redths 

## @:B-8] seventy-five thousandths (0.075) ppm as determinedin accordance with 40 CFR50, Appendix 1*-:-.P*. (C) 0 3 

### values maybe convertedto ppmusingthe conversionfactor onethousand. nine hundred sixty-five (1,965) !lg/m 3 

# = 1.0ppm. (5) Nitrogen dioxide (N02) 

### requirements areas follows:

. (A) Fortheprimary one (1) hour ambient air quality standard, themaximum permissible ambient air quality level shall be one hundred (100) ppb, one (1) hour average concentration, measuredinthe ambient air as N02 . 

### The one (1) hour standard is attainedwhenthe three (3) year average ofthe annualninety-eighth percentile ofthe daily maximuriJ. one (1) 

### hour average concentration is less than or
Page 3 of 5

### equalto onehundred (100) ppb, as determined in· accordance with40 CPR 50, Appendix S*. 

### (B) Forthe annual primruy standard, the following value shall represent the maximum permissible ambient air quality level: one hundred (100) 1-1g/m 3 

### (fiftythree**thous~ndths** 

### (0.053) ppm) annual average concentrationin a calendaJ.' year. The annualprimary standaJ.'d is attained whenthe annual average concentrationin a calendaJ.' year is less than or equalto fifty-three (53) ppb, as determined in

· accordancewith40 CPR50, Appendix S* for the annual standaJ.'d.

(C) Forthe annual secondruy standaJ.'d, thefollowing value shall representthe maximumpermissible ambient air quality level: onehundred (100) 1-1g/m 3 

### (fiftythree thousandths (0.053) ppm) annual arithmetic mean concentrationin a calendaJ.' year. The secondruy standaJ.'d is attainedwhenthe annual arithmetic mean concentration in a calendru· year is less than or equalto fifty-three thousandths (0.053) ppm,roundedtothree (3) decimal places (fractionalparts equalto or greaterthanfive**ten-thousan~ths** 

### (0.0005) ppmmustberoundedup). To demonstrate attainment, an annual meanmustbebaseduponhourly datathat are atleast seventy-fivepercent (75%) complete orupon data derivedfrom manualmethodsthat are**~t** 

### least seventy-fivepercent (75%) completefor the. scheduled sampling days in each calendar qmuier. 

### (D) N02 

### values maybe convertedtoppmusingthe conversionfactor one thousand.eighthundred eighty (1,880) 1-1g/m 3 

### = 

### one (1) ppm. · 

### (E) The levels ofthe standards shallbemeasuredby: (i) a referencebased on40 CFR 50, AppendixF*; or (ii) an equivalE?nt method designated in accordance with40 CPR53*. 

### (6) Pb: Potprimary and secondruy standards, the following value shallrepresentthe maximumpermissible ambient air quality level: fifteen-hundredths (0.15) 1-1g/m 3

, 

### aritbn:+etic mean concentrationover a three (3) monthperiod. The standru·ds are attained whenthe maximum arithmeticthree 

### (3) month mean concentration for a three (3) year periodis less than or equalto fifteenth-hundredths (0.15) 1-1g/m 3

, 

### as determined in accordance with40 CPR 50,Appendix R* and measured 

## irithe ambient air as Pbby either: (A) a reference methodbased on40 CPR 50, Appendix G*, and designatedin accordance with40 CFR53*; or 

### (B) an equivalentmethoddesignatedin accordance with40 CPR 53*. (7) PM10 : 

### For primary and secondary standaJ.'ds, the maximumpermissible ambient air quality level is onehundred fifty (150) 1-1g/m 3 

### maximumtwenty-four 

### (24) hour average concentration. The standaJ.'ds are attainedwhenthe expectednumber ofdays per calendar yearwith a twenty-four 

### (24) hour average concentration above one hundred fifty (150) 1-1g/m 3

, 

### as determined in accordance with40 CPR 50, Appendix 

## K,* is equal to orless than one 

### (1). (8) PM25 

### requirements are as follows: (A) For 

### theprimruy

## and secondary 

### standards, 

### annual standard, the following 

## 'VCl:"1:ttesvalue shallrepresentthe maximumpermissible ambient air quality

### levels.
Page 4 of 5

## {:A} Fifteen (15) level: twelve (12) micrograms per cubic meter (j..Lg/m 3) 

### annual arithmetic mean concentration. The standards are standardis attained when the annual arithmetic mean concentration is less than or equal to fifteen (15) twelve (12) !lg/m 3

, 

### as determined in accordance with40 CFR50, AppendixN*, as amended by 78 FR3277, and measured inthe ambient air as 

## PM 25 

### byeither: (i) a reference methodbased on40 CFR 50, AppendixL*, and designated in accordance with40 CFR 53*; or (ii) an equivalentmethod designated_in accordance with40 CFR53*. (B) For the secondary annual standard, the following value shallrepresent the maximum permissible ambient air quality level: fifteen (15) micrograms per cubic meter (!lg/m3) 

### annual arithmeticmean concentration. The standard is attainedwhen the annual arithmetic mean concentrationis less than or equalto fifteen (15) 11g/m\ as determined 

## in accordancewith 40 CFR50, AppendixN*, as amendedby 78 FR3277, and measured inthe ambient air as 

## PM 2:

5 

### by either: · · (i) a reference methodbased on 40 CFR50, AppendixL*, and designatedin accordancewith 40 CFR53*; or (ii) an equivalentmethod designated 

## in accordancewith 40 CFR 53*. 

## {B)' (C) Fortheprimary and secondary24-hour standard,thefollowing value shallrepresentthe maximum permissible ambient air qualitylevel: thirty-five (35) !lg/m 3 

### twenty-four (24) hour average concentration. The standards are attained whentheninety-eighthpercentile twenty-four (24) hour concentration is less than or equalto thirty-five (35) micrograms per cubic meter (j..Lg/m3), 

### as determined in accordance with40 CFR 50, AppendixN*, as amended by 78 FR 3277, and measured inthe ambient air as PM 2.5

### by either: (i) a reference methodbased on40 CFR50, AppendixL*, and designated in accordance of40 CFR53*; or (ii) anequivalentmethod designated in accordance with40 CFR53*

.

. *These documents are incorporatedbyreference. Copies maybe obtained from the Government Printing Office, 732Nmih Capitol StreetNW, Washington, D.C. 20401 or are available for review and copying atthe IndianaDepmiment ofEnvironmental Management, Office ofAir 

## Quality-, Legal Counsel, Indiana Government CenterNorth, 

## Tenth Thirteenth Floor, 100North SenateAvenue, Indianapolis, Indiana 46204. 

## (Air Pollution ControlDivision; 326IAC1-3-4;filedMar 10, 1988, 1:20p.m.: 11 IR 2378;filedApr 13, 1988, 3:35p,m.: 11 IR 3020; readopted filedJan 10, 2001, 3:20p.m.: 24IR 1477;filedMay21, 2002,10:20 a.m.: 25 IR 3055;filedMar 9, 2004, 3:45p.m.: 27IR.2224;filedDec 20, 2004, 2:i5p.m.: 28IR 1471; filedMar 

## 6, 2006, 3:00p.m.: 29IR 2179;filedSep 24, 2010, 1:44p.m.: 20101020-IR326100127FRA;filedFeb 9, 2011, 10:29 a.m.: 20110309-IR-326100495FRA;filedDec 19, 2012, 4:22p.m.: 20130116-IR-326120510FRA)

Page 5 of 5