DEPARTMENT OF 

ENVIRONMENTAL CONSERVATION 

18 AAC 50 

AIR QUALITY CONTROL 

Adoption Draft 

September 27, 2010 

Sean Parnell 

Governor 

Larry Hartig 

Commissioner 
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18 AAC 50.015(b) is amended by adding a new paragraph to read: 

(b) The following areas have been designated by the federal administrator 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(A) repealed 2/20/2004 

(B) repealed 6/24/2004 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, Register 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: 
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(Eff. 1/18/97, Register 141; am 6/21/98, Register 146; am 7/2/2000, Register 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, Register 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 adding new subparagraphs to read: 

 (LL) the provisions of Subpart DDDD (Emissions guidelines and 

compliance times for commercial and industrial solid waste incineration units that 

commenced construction on or before November 30, 1999);
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(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 modification 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 incineration 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 Subpart JJJJ (Standards of performance

for stationary spark ignition internal combustion engines); 

 (QQ) the provisions of Subpart KKKK (Standards of performance

for stationary combustion turbines);

... 

18 AAC 50.040(b) is amended to read: 
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(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: 

... 

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: 

... 

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

 

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

 (34) Subpart BBBBBB (National emission standards for hazardous air 

pollutants for source category: gasoline distribution bulk terminals, bulk plants, and 

pipeline facilities); 

 
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 (35) Subpart CCCCCC (National emission standards for hazardous air 

pollutants for source category: gasoline dispensing facilities).

... 

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 they apply to a Title V source. 

... 

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 for purposes of a Title V permit, are adopted by 

reference. 

... 

18 AAC 50.040(f) is amended to read: 
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(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. 

... 

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 Pollutants), as revised as of July 1, 2009 [2007], are adopted 

by reference: 

... 

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 Quality), as revised as of 75 Fed. Reg. 31514

(June 3, 2010) [JULY 2, 2007], are adopted by reference: 

... 
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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 provisions that a state implementation plan 

shall or may contain is adopted by reference as follows: 

... 

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 reference, except as provided in 

18 AAC 50.326: 

... 

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

 (9) 40 C.F.R. 71.13 (Enforceable commitments for further actions addressing 

greenhouse gases (GHGs))
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(Eff. 1/18/97, Register 141; am 6/14/98, Register 146; am 6/21/98, Register 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, Register 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, Register 146; am 11/4/99, Register 152; am 5/3/2002, 

Register 162; am 10/1/2004, Register 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 46.14.030 
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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 (TSP), lead, carbon monoxide, nitrogen dioxide, sulfur dioxide, and 

ammonia; 

... 

18 AAC 50.215(f) is amended by adding 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 subject to 18 AAC 50.542(a)(1). The analysis 

would need to use a model and screening meteorological data approved by the department. 

The department may grant approval to use such procedures and demonstration thresholds 

at its discretion.
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(Eff. 1/18/97, Register 141; am 6/21/98, Register 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: 
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(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 conducted under 18 AAC 50.306(c)(3) are considered 

Title V terms and conditions upon incorporation 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 modification 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 this 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” means 
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(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 standard as found in 18 AAC 50.010; 

(C) the terms “ambient air increment” 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 46.14.140 
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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 requirements 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 Title 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 III – Excess Emissions and Permit 

Deviation Reports, as revised as of September 27, 2010 [AUGUST 20, 2008]; 
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(3) Standard Permit Condition IV – Notification Form, as revised as of 

September 27, 2010 [AUGUST 20, 2008]; 

(4) Standard Operating Permit Condition V – Insignificant Sources, as 

revised as of September 27, 2010 [AUGUST 25, 2004]; 

(5) Standard Operating Permit Condition VI – Good Air Pollution Control 

Practices, as revised as of August 25, 2004; 

(6) Standard Operating Permit Condition 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 revised 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-
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specific conditions more adequately meet the requirements 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. 
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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 Gas-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 pads 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] 
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–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 control of the operator 

with frequent vehicle traffic 

–Other sources the department finds are likely 

to generate fugitive dust 

–Fuel burning equipment burning liquid fuel Standard Operating Permit Condition XI – SO2

Emissions from Oil Fired Fuel Burning 

Equipment, August 25, 2004 
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–Fuel burning equipment burning liquid fuel Standard Operating Permit Condition XII – 

SO2 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, Register 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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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 

... 

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 

... 

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. 

... 

18 AAC 50.502(e) is amended to read: 
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(e) For the purposes of (c)(3)(B) of this section, actual emissions shall be calculated by 

comparing projected actual emissions to the baseline actual emissions. In determining the 

projected actual emissions, before beginning actual construction, the owner or operator of the 

stationary source shall 

(Eff. 10/1/2004, Register 171; am 12/1/2004, Register 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 owner requested limit (ORL) [AT A STATIONARY SOURCE; THE 

OWNER OR OPERATOR MAY AVOID 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 determining 
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... 

18 AAC 50.508(6) is amended to read: 

(6) revising or rescinding the terms and conditions of a Title I permit issued under this 

chapter, except as noted under 18 AAC 50.510. (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 46.14.140 

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

 18 AAC 50.510 Minor permit-Title V permit interface. Terms and conditions 

established in a minor permit issued under 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 amendment 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 permit. Subsequent revisions to such terms 
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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, modification, 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 interfere with the attainment 

or maintenance of the ambient air quality standards; 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 will not result in a violation of an ambient air quality standard, 

the application must include an ambient analysis for 

... 

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

... 

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 demonstration (if applicable), and compliance 

monitoring; and 

(Eff. 10/1/2004, Register 171; am 12/1/2004, Register 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 adding new subparagraphs to read: 
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(C) in the Nikiski 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, Register 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: 
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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 fees in accordance with 18 AAC 50.400 – 

18 AAC 50.499; 

(3) include any conditions 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 conditions 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   

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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 ALLOWABLE INCREASE UNDER 

18 AAC 50.020 OR AMBIENT AIR QUALITY 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, Register 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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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 revised as of July 1, 2009, [2004] and adopted by reference; 

(Eff. 1/18/97, Register 141; 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, Register 164; am 8/8/2003, Register 167; am 

10/1/2004, Register 171; am 12/3/2005, Register 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: 
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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).