## DEPARTMENT OF ENVIRONMENTAL CONSERVATION

18 AAC 50 AIR QUALITY CONTROL Adoption Draft September 27, 2010

Sean Parnell Governor Larry Hartig CommissionerRegister ____, ________ 2011 ENVIRONMENTAL CONSERVATION

2 18 AAC 50.015(b) is amended by addi ng a new paragraph to read: (b) The following areas have been designate d by the federal admini strator as "nonattainment" for the specified air pollutants: (1) for carbon monoxide (A) repealed 2/20/2004 (B) repealed 6/24/2004 (2) for PM-10: (A) Mendenhall Valley area of Juneau; and

(B) Eagle River area of Anchorage ; [.] (3) for PM-2.5: (A) Fairbanks and North Pole urban area

(Eff. 1/18/97, Register 141; am 2/20/2004, Re gister 169; am 6/24/2004, Register 170; am 10/10/2004, Register 171; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.010 AS 46.14.030

18 AAC 50.035(b) is amended to read:

(b) The following procedures and methods set out in 40 C.F.R., revised as of July 1, 2009 [2007], are adopted by reference:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

3 (Eff. 1/18/97, Register 141; am 6/21/98, Regist er 146; am 7/2/2000, Regi ster 154; am 2/2/2002, Register 161; am 5/3/2002, Register 162; am 10/1/2004, Register 171; am 12/3/2005, Register 176; am 7/25/2008, Register 187; am 11/9/2008, Re gister 188; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.020 AS 46.14.140 AS 46.14.010 AS 46.14.030 Sec. 30, ch. 74, SLA 1993

18 AAC 50.040(a) is amended to read:

(a) The following provisions of 40 C.F.R. Part 60 (Standards of Performance for New Stationary Sources), as revised as of 74 Fed. Reg. 51950 (October 8, 2009) [JULY 1, 2007], are adopted by reference as they apply to a Title V source:

...

18 AAC 50.040(a)(2) is amended by a dding new subparagraphs to read:

(LL) the provisions of Subpa rt DDDD (Emissions guidelines and compliance times for co mmercial and industrial solid waste incineration units that commenced construction on or before November 30, 1999);Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

4 (MM) the provisions of Subpart EEEE (Standards of performance for other solid waste incineration units for which construction is commenced after December 9, 2004, or for which modifi cation or reconstruction is commenced on or after June 16, 2006);

(NN) the provisions of Subpart FFFF (Emission guidelines and compliance times for other solid waste inci neration units that commenced construction on or before December 9, 2004);

(OO) the provisions of Subpart IIII (Standards of performance for stationary compression ignition internal combustion engines);

(PP) the provisions of Subpa rt JJJJ (Standards of performance for stationary spark ignition internal combustion engines);

(QQ) the provisions of Subpart KKKK (Standards of performance for stationary combustion turbines);



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18 AAC 50.040(b) is amended to read:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

5 (b) The following provisions of 40 C.F.R. Part 61 (National Emission Standards for Hazardous Air Pollutants) , as revised as of July 1, 2009 [MAY 16, 2007], are adopted by reference as they apply to a Title V source:



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18 AAC 50.040(c) is amended to read:

(c) The following provisions of 40 C.F.R. Part 63 (National Emission Standards for Hazardous Air Pollutants for Source Categories), as revised as of 75 Fed. Reg. 37732 (June 30, 2010) [JULY 16, 2007], are adopted by reference as they apply to a Title V source:



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18 AAC 50.040(c) is amended by ad ding new paragraphs to read:

(33) Appendix B (Sources Defi ned for Early Reduction Provisions) ; [.]

(34) Subpart BBBBBB (National emissi on standards for hazardous air pollutants for source category: gasoline di stribution bulk terminals, bulk plants, and pipeline facilities);Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

6 (35) Subpart CCCCCC (National emission standards for hazardous air pollutants for source category: gasoline dispensing facilities).



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18 AAC 50.040(d) is amended to read:

(d) The provisions of 40 C.F.R. Part 82, as revised as of July 1, 2009 [2007], are adopted by reference to the extent that th ey apply to a Title V source.



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18 AAC 50.040(e) is amended to read:

(e) The requirements of 40 C.F.R. 52.70 - 40 C.F.R. 52.96, as revised as of July 1, 2009 [2007], as they apply to a Title V source and fo r purposes of a Title V permit, are adopted by reference.



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18 AAC 50.040(f) is amended to read:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

7 (f) The provisions of 40 C.F.R. Part 51, Appendix W (Guideline on Air Quality Models (Revised)), as revised as of July 1, 2009 [2007], are adopted by reference.



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18 AAC 50.040(g) is amended to read:

(g) The following provisions of 40 C.F.R. Part 62 (Approval and Promulgation of State Plans for Designated Facilities and Pollu tants), as revised as of July 1, 2009 [2007], are adopted by reference:



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18 AAC 50.040(h) is amended to read:

(h) The following provisions of 40 C.F.R. 51.166 and 40 C.F.R. 52.21 - 40 C.F.R. 52.22 (Prevention of Significant Deterioration of Air Qual ity), as revised as of 75 Fed. Reg. 31514 (June 3, 2010) [JULY 2, 2007], are adopted by reference:



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8 18 AAC 50.040(i) is amended to read:

(i) From the following provisions of 40 C.F. R. 51.165 (Permit Requirements), as revised as of July 1, 2009 [JULY 2, 2007], text setting out provision s that a state implementation plan shall or may contain is adopted by reference as follows:



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18 AAC 50.040(j) is amended to read:

(j) The following provisions of 40 C.F.R. Part 71 (Operating Permits), as revised as of 75 Fed. Reg. 31514 (June 3, 2010) [JULY 2, 2007], are adopted by referen ce, except as provided in
18 AAC 50.326:



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18 AAC 50.040(j) is amended by ad ding a new paragraph to read:

(9) 40 C.F.R. 71.13 (Enforceable commitm ents for further actions addressing greenhouse gases (GHGs))Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

9 (Eff. 1/18/97, Register 141; am 6/14/98, Regist er 146; am 6/21/98, Regi ster 146; am 7/2/2000, Register 154; am 6/1/2002, Register 162; am 8/15/2002, Register 163; am 10/1/2004, Register 171; am 12/3/2005, Register 176; am 7/25/2008, Re gister 187; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.020 AS 46.14.030
AS 46.14.010

18 AAC 50.055(a)(9) is amended to read:

(9) more than 20 percent for any three minutes in any one hour [EXCEPT FOR
AN ADDITIONAL THREE MINUTES IN ANY ONE HOUR] for a coal burning boiler that began operation before August 17, 1971 , except for an additional three minutes in any one hour if

(Eff. 1/18/97, Register 141; am 6/21/98, Regist er 146; am 11/4/99, Regi ster 152; am 5/3/2002, Register 162; am 10/1/2004, Regi ster 171; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.020 Sec. 30, ch. 74, SLA 1993
AS 46.14.010 AS 46.14.030Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

10 18 AAC 50.215(a) is amended to read:

18 AAC 50.215. Ambient air quality analysis methods. (a) A person who submits meteorological or ambient air monitoring data under AS 46.03, AS 46.14, or this chapter shall obtain the data in accordance with

(1) the department's Quality Assurance Project Plan for the State of Alaska Air Monitoring & Quality Assurance Program [ ALASKA QUALITY ASSURANCE MANUAL FOR AMBIENT AIR QUALITY MONITORING ], adopted by reference in 18 AAC 50.030, for PM-10, total suspended particulates (T SP), lead, carbon monoxide, nitrogen dioxide, sulfur dioxide, and ammonia;



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18 AAC 50.215(f) is amended by ad ding a new subsection to read:

(f) A person conducting a screening-level modeling analysis under 18 AAC 50.540(c)(2) for a non fast-track minor permit application may seek department approval to use the procedures and demonstration thresholds described in 18 AAC 50.542(c)(2), except when modeling a stationary source s ubject to 18 AAC 50.542(a)(1). The analysis would need to use a model and screening mete orological data approved by the department. The department may grant approval to use such procedures and demonstration thresholds at its discretion.Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

11 (Eff. 1/18/97, Register 141; am 6/21/98, Re gister 146; am 10/1/ 2004, Register 171; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.140 Sec. 30, ch. 74, SLA 1993
AS 46.14.030 AS 46.14.180

18 AAC 50.225 is amended to read:

18 AAC 50.225. Owner-requested limits . (a) The owner or operator of an existing or proposed stationary source may request an enforceable limit on the ability to emit air pollutants to avoid all permitting obligations under AS 46.14.130 . A limitation approved under this section is an enforceable limitation for the purpose of determining (Eff. 1/18/97, Register 141; am 6/21/98, Register 146; am 10/1/2004, Register 171; am 1/29/2005, Register 173; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 46.14.020 AS 46.03.020 AS 46.14.140
AS 46.14.030 AS 46.14.120

18 AAC 50.302 is amended by adding a new subsection to read:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

12 (c) Terms and conditions established in a permit listed in 18 AAC 50.302(a)(1)-(3) and identified in the PSD permit as solely necessary to meet a Title V requirement associated with an integrated review co nducted under 18 AAC 50.306(c)(3) are considered Title V terms and conditions upon incorporat ion into a Title V permit. Subsequent revisions to such terms and conditions may be made solely through the applicable Title V operating permit amendment or mo dification provisions of 18 AAC 50.326.

(Eff.10/1/2004, Register 171; am __/__/____, Register ___)

Authority : AS 46.03.020 AS 46.14.030 AS 46.14.140 AS 46.14.010 AS 46.14.120 Sec. 30, ch. 74, SLA 1993
AS 46.14.020

18 AAC 50.306(b) is repealed and readopted to read:

(b) To satisfy the requirement of (a) of th is section, the owner or operator must comply with the requirements of 40 C.F.R. 52.21, adopted by reference in 18 AAC 50.040 with the following changes:

(1) in 40 C.F.R. 52.21,

(A) the term “administrator” meansRegister ____, ________ 2011 ENVIRONMENTAL CONSERVATION

13 (i) “federal administrator” in 40 C.F.R. 52.21(b)(17), (b)(37), (b)(43), (b)(48)(ii)( c ), (i)(1)(x), (l)(2), and (p)(2); and

(ii) “department” elsewhere;

(B) the term “national ambient air quality standard” means an Alaskan ambient air quality standa rd as found in 18 AAC 50.010;

(C) the terms “ambient air incremen t” or “maximum allowable increase” mean a maximum allowable increase as found in Table 3 in 18 AAC 50.020;

(2) exclusions from increment consumption apply to the maximum extent allowed under 40 C.F.R. 51.166(f), adopted by reference in 18 AAC 50.040; and

(3) in 40 C.F.R. 52.21(i)(1)(xi) all references to “July 15, 2008” shall be read as September 27, 2010.

(Eff.10/1/2004, Register 171; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.120 AS 46.14.170
AS 46.14.010 AS 46.14.130 AS 46.14.180
AS 46.14.020 AS 46.14.140Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

14 18 AAC 50.346 is amended to read:

18 AAC 50.346. Construction and operating permits: other permit conditions. (a) For a construction permit or Title V permit, the department will use the standard permit condition in this subsection, unless the department determines that emission unit-specific or stationary source-specific conditions more adequately meet the re quirements of this chapter or that no comparable condition is appropriate for the stationary source or emission unit. The department’s Standard Permit Condition II – Air Pollution Prohibited, as revised as of September 27, 2010 [AUGUST 25, 2004], is adopted by reference.

(b) In a Title V permit, the department will use the standard permit conditions listed in this subsection, unless the department determines that emission unit-specific or stationary source-specific conditions more adequately meet the requirements of this chapter or that no comparable condition is appropriate for the Ti tle V source or emission unit. The following standard permit conditions prepared by the department are adopted by reference:

(1) Standard Permit Condition I – Emission Fees, as revised as of September 27, 2010 [AUGUST 25, 2004];

(2) Standard Permit Condition II I – Excess Emissions and Permit Deviation Reports, as revised as of September 27, 2010 [AUGUST 20, 2008];Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

15 (3) Standard Permit Condition IV – No tification Form, as revised as of September 27, 2010 [AUGUST 20, 2008];

(4) Standard Operating Permit Conditi on V – Insignificant Sources, as revised as of September 27, 2010 [AUGUST 25, 2004];

(5) Standard Operating Permit Conditi on VI – Good Air Pollution Control Practices, as revised as of August 25, 2004;

(6) Standard Operating Permit Cond ition VII – Operating Reports, as revised as of September 27, 2010 [AUGUST 20, 2008.] ;

(7) Standard Operating Permit Condition [CONDITIONS] XIV – Document Submittals and Electronic Copies, as re vised as of August 20, 2008[.] ;

(8) Standard Operating Permit Condition XV – Emission Inventory Reporting, September 27, 2010; and

(9) Standard Operating Permit Condition XVI – Emission Inventory Reporting Form, September 27, 2010.

(c) Unless the department determines that emission unit-specific or stationary source-Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

16 specific conditions more adequately meet the requ irements of this chapter, the department will use the standard operating permit conditions listed in Table 7 of this subsection for the respective emission unit or emission unit types identified in the table. The standard operating permit conditions listed in Table 7 are adopted by reference.Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

17 Table 7 Standard Operating Permit Conditions Emission Unit or Activity Standard Permit Condition -Gas-fired fuel burning equipment, except

flares Standard Operating Permit Condition VIII – Visible Emissions and Particulate Matter Monitoring Plan for Ga s-Fired Fuel Burning Equipment, August 25, 2004

–Stationary diesel engines –Liquid-fired stationary turbines –Other liquid-fired fuel burning equipment Standard Operating Permit Condition IX – Visible Emissions and Particulate Matter Monitoring Plan for Liquid-Fired Emission Units, September 27, 2010 [AUGUST 20, 2008]

–Coal fired boilers –Coal handling equipment –Construction of gravel pa ds or roads that are

part of a permitted stationary source, or other construction that has the potential to generate fugitive dust that reaches ambient air Standard Operating Permit Condition X – Reasonable Precautions to Prevent Fugitive Dust, September 27, 2010 [AUGUST 25, 2004]Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

18 –Commercial, industrial, municipal solid waste,

air curtain, and medical waste incinerators

–Sewage sludge incinerators not using wet

methods to handle the ash

–Mines –Urea manufacturing

–Soil remediation units

–Dirt roads under the co ntrol of the operator

with frequent vehicle traffic

–Other sources the department finds are likely

to generate fugitive dust

–Fuel burning equipment burning liquid fuel St andard Operating Permit Condition XI – SO 2 Emissions from Oil Fired Fuel Burning Equipment, August 25, 2004Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

19 –Fuel burning equipment burning liquid fuel Standard Operating Permit Condition XII –
SO 2 Material Balance Calculation, August 25,
2004

–Coal fired boilers Standard Operating Permit Condition XIII – Coal Fired Boilers, August 20, 2008

(d) Repealed 10/1/2004. (Eff. 5/3/2002, Re gister 162; am 10/1/2004, Register 171; am 11/9/2008, Register 188; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.120 AS 46.14.180 AS 46.14.010 AS 46.14.130 AS 46.14.250
AS 46.14.020 AS 46.14.140

18 AAC 50.502(b)(6) is amended to read:

(6) a Port of Anchorage stationary source , as defined in 18 AAC 50.990(78)

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20 18 AAC 50.502(c)(1)(E) is amended to read:

(E) 100 TPY of carbon monoxide within 10 kilometers of a carbon monoxide nonattainment area; or



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18 AAC 50.502(c)(3)(A)(iv) is amended to read:

(iv) 100 TPY of carbon monoxide for a stationary source within 10 kilometers of a carbon monoxide nonattainment area; or



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18 AAC 50.502(c)(3)(B)(iv) is amended to read:

(iv) 100 TPY of carbon monoxide for a stationary source within 10 kilometers of a carbon monoxide nonattainment area.



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18 AAC 50.502(e) is amended to read:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

21 (e) For the purposes of (c)(3) (B) of this section, actual emissions shall be calculated by comparing projected actual emissions to the ba seline actual emissions. In determining the projected actual emissions, before beginning ac tual construction, the ow ner or operator of the stationary source shall

(Eff. 10/1/2004, Register 171; am 12/1/2004, Regi ster 172; am 12/3/2005, Register 176; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.120 AS 46.14.170
AS 46.14.010 AS 46.14.130 AS 46.14.180
AS 46.14.020 AS 46.14.140

18 AAC 50.508(5) is amended to read:

(5) establishing an owne r requested limit (ORL) [AT A STATIONARY SOURCE; THE
OWNER OR OPERATOR MAY AVOI D A PERMIT CLASSIFICATION] to avoid one or more permit classifications under AS 46.14.130 at a stationary source that will remain subject to at least one permit classification [IF THE DEPARTMENT APPROVES AN OWNER REQUESTED LIMIT ON THE SOURCE’S ABILITY TO EMIT AIR POLLUTANTS]; a limitation approved under an ORL is an enforceable limitation for the purpose of determiningRegister ____, ________ 2011 ENVIRONMENTAL CONSERVATION

22 

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18 AAC 50.508(6) is amended to read:

(6) revising or rescinding the terms and c onditions of a Title I permit issued under this chapter , except as noted under 18 AAC 50.510 . (Eff. 10/1/2004, Regi ster 171; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.120 AS 46.14.170
AS 46.14.010 AS 46.14.130 AS 46.14.180
AS 46.14.020 AS 46.14.140

18 AAC 50 is amended by addi ng a new section to read:

18 AAC 50.510 Minor permit-Title V perm it interface. Terms and conditions established in a minor permit issued und er 18 AAC 50.542 and identified in the minor permit as solely necessary to meet a Title V operating permit requirement to qualify as an operating permit administrative amendm ent under 18 AAC 50.542(e) and 40 C.F.R. 71.7(d) incorporated by reference under 18 AAC 50.040 (j)(5) are considered Title V terms and conditions upon incorporation into a Title V p ermit. Subsequent revisions to such termsRegister ____, ________ 2011 ENVIRONMENTAL CONSERVATION

23 and conditions may be made solely through the applicable Title V operating permit amendment or modification provisions of 18 AAC 50.326. (Eff. __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.120 AS 46.14.170
AS 46.14.010 AS 46.14.130 AS 46.14.180
AS 46.14.020 AS 46.14.140

18 AAC 50.540(c)(2) is amended to read:

(2) for a permit for construction, modifi cation, or relocation of a stationary source, a demonstration conducted in a manner consistent with 18 AAC 50.215(b) – (f) that the proposed potential emissions from the stationary source will not interfer e with the attainment or maintenance of the ambient air quality standa rds; the ambient demonstration must follow an approved modeling protocol if the department requests a modeling protocol for demonstrating compliance with ambient air quality standards; unless the department has made a finding in writing that the stationary source or modification does not need an ambient analysis to determine that construction and operation wi ll not result in a violation of an ambient air quality standard, the application must include an ambient analysis for



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18 AAC 50.540(k) is amended to read:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

24 (k) Revising or rescinding permit conditions. An application for a minor permit revising or rescinding terms or conditions of a Title I permit under 18 AAC 50.508(6) must include



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18 AAC 50.540(k)(3) is amended to read:

(3) the effect of revising or revoking the permit term or condition on emissions, other permit terms, the underlying ambient demo nstration (if applicable), and compliance monitoring; and

(Eff. 10/1/2004, Register 171; am 12/1/2004, Regi ster 172; am 12/3/2005, Register 176; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.120 AS 46.14.170
AS 46.14.010 AS 46.14.130 AS 46.14.180
AS 46.14.020 AS 46.14.140

18 AAC 50.542(a)(1) is amended by a dding new subparagraphs to read:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

25 (C) in the Niki ski Industrial Area as described under 18 AAC 50.990(60) ; [OR]

(D) on an offshore platform; [OR]

(E) in the Municipality of Anchorage;

(F) in the City of Fairbanks;

(G) Fort Wainwright;

(H) Eielson AFB; or

(Eff. 10/1/2004, Register 171; am 12/1/2004, Regi ster 172; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 46.03.020 AS 46.14.120 AS 46.14.170
AS 46.14.010 AS 46.14.130 AS 46.14.180
AS 46.14.020 AS 46.14.140 AS 46.14.200

18 AAC 50.544(a) is amended to read:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

26 18 AAC 50.544. Minor permits: content. (a) In each minor permit issued under 18 AAC 50.542, the department will

(1) identify the stationary source, the project, the permittee, and contact information;

(2) include the requirement to pay fe es in accordance with 18 AAC 50.400 –
18 AAC 50.499;

(3) include any condition s established under 18 AAC 50.201 , as applicable ; [AND]

(4) include the requirements of an owner requested limit under 18 AAC 50.225 that applies to the stationary source ; [.]

(5) include the standard permit condi tions in 18 AAC 50.345, as applicable ; [.]

(6) include conditions as necessary to protect ambient air quality; and

(7) include conditions required under 40 C.F.R. 71 as incorporated by reference under 18 AAC 50.040(j) and 18 AAC 50.326, as needed, to accommodate an owner or operator request to add the conditions of a minor permit to a Title V permit by administrative amendment under 18 AAC 50.542(e).Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

27 

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18 AAC 50.544(h)(3) is amended to read:

(3) describe each permit classification under AS 46.14.130 that the ORL allows the owner or operator to avoid [, OR EACH MAXIMUM ALLOWA BLE INCREASE UNDER 18 AAC 50.020 OR AMBIENT AIR QUAL ITY STANDARDS THAT WILL BE PROTECTED].

(Eff.10/1/2004, Register 171; am 12/1/2004, Register 172; am 1/29/2005, Register 173; am 7/25/2008, Register 187; am 11/9/2008, Regi ster 188; am __/__/ ____, Register ___)

Authority: AS 46.03.020 AS 46.14.120 AS 46.14.170
AS 46.14.010 AS 46.14.130 AS 46.14.180 AS 46.14.020 AS 46.14.140 AS 46.14.250

18 AAC 50.990(101) is amended to read:

(101) "stack" has the meaning [MEETING] given in AS 46.14.990;



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28 18 AAC 50.990(121) is amended to read:

(121) “volatile organic compound” or “VOC” has the meaning given in 40 C.F.R. 51.100(s), as re vised as of July 1, 2009, [2004] and adopted by reference;

(Eff. 1/18/97, Register 1 41; am 6/14/98, Register 146; am 6/21/98, Register 146; am 9/4/98, Register 147; am 11/4/99, Register 152; am 1/1/2000, Register 152; am 2/2/2002, Register 161; am 5/3/2002, Register 162; am 11/15/2002, Regi ster 164; am 8/8/2003, Register 167; am 10/1/2004, Register 171; am 12/3/2005, Regist er 176; am 12/30/2007, Register 184; am 7/25/2008, Register 187; am __/__/____, Register ___)

Authority: AS 44.46.025 AS 46.14.140 AS 46.14.250 AS 46.03.020 AS 46.14.150 AS 46.14.255
AS 46.03.710 AS 46.14.160 AS 46.14.280 AS 46.14.010 AS 46.14.170 AS 46.14.285 AS 46.14.020 AS 46.14.180 AS 46.14.290
AS 46.14.030 AS 46.14.210 AS 46.14.300 AS 46.14.120 AS 46.14.230 AS 46.14.560 AS 46.14.130 AS 46.14.240 Sec. 30, ch. 74, SLA 1993

18 AAC 50.990 is amended by adding an Editor’s note to read:Register ____, ________ 2011 ENVIRONMENTAL CONSERVATION

29 Editor’s note: The July 1, 2009, version of 40 C.F.R. 51.166(b)(49) contains a printing error. The correct definition for “regulated NSR pollutant” may be found in 73 Fed. Reg. 28347 (May 16, 2008).