§52.1470 Identification of plan.

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(a) Purpose and scope. This section sets forth the applicable State implementation plan for the State of Nevada under section 110 of the Clean Air Act, 42 U.S.C. 7401-7671q and 40 CFR part 51 to meet national ambient air quality standards.

(b) Incorporation by reference. (1) Material listed in paragraphs (c) and (d) of this section with an EPA approval date prior to December 31, 2013, was approved for incorporation by reference by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Material is incorporated as it exists on the date of the approval, and notice of any change in the material will be published in the Federal Register. Entries in paragraphs (c) and (d) of this section with EPA approval dates after December 31, 2013, will be incorporated by reference in the next update to the SIP compilation.

County citation	Title/Subject	County effective date	EPA Approval date	Additional explanation
Section 0	Definitions	8/3/21	88 FR 38757, 6/14/23	Submitted electronically on January 31, 2022, as an attachment to a letter dated January 31, 2022.
Section 0	Definitions (“Clearing and Grubbing” only)	4/1/14	79 FR 62351, 10/17/14	Amended by Clark County Board of County Commissioners on March 18, 2014 through Ordinance No. 4189. Submitted by NDEP on 4/1/14.
Section 1 (“Definitions”): Subsection 1.58	New Source	12/28/78	46 FR 21758 (4/14/81)	Submitted on 9/18/79. See 40 CFR 52/1490(c)(17)(i).
Section 1 (“Definitions”): Subsection 1.81	Single Source	12/28/78	46 FR 21758 (4/14/81)	Submitted on 9/18/79. See 40 CFR 52/1490(c)(17)(i).
Section 1 (“Definitions”): Subsection 1.88	Standard Conditions	12/28/78	46 FR 21758 (4/14/81)	Submitted on 9/18/79. See 40 CFR 52/1490(c)(17)(i).
Section 2: Subsections 2.1, 2.2, and 2.3	Air Pollution Control Board	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 2	Procedures for Adoption and Revision of Regulations and for Inclusion of those Regulations in the State Implementation Plan	1/21/20	87 FR 30424, 5/19/22	Submitted on March 16, 2020 as an attachment to a letter dated March 13, 2020.
Section 4	Control Officer	12/17/19	87 FR 23767, 4/21/22	Submitted electronically on March 16, 2020, as an attachment to a letter dated March 13, 2020.
Section 5: Subsection 5.1	Interference with Control Officer	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 6: Subsection 6.1	Injunctive Relief	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 8: Subsections 8.1, 8.2	Persons Liable for Penalties - Punishment; Defense	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 12.0	Applicability and General Requirements	2/4/20	88 FR 38757, 6/14/23	Submitted electronically on March 16, 2020, as an attachment to a letter dated March 13, 2020.
Section 12.1	Permit Requirements for Minor Sources	1/1/19	88 FR 38757, 6/14/23	Submitted electronically on April 12, 2019, as an attachment to a letter dated April 12, 2019.
Section 12.2	Permit Requirements for Major Sources in Attainment Areas (Prevention of Significant Deterioration)	4/1/14	79 FR 62351, 10/17/14	Amended by Clark County Board of County Commissioners on March 18, 2014 through Ordinance No. 4189. Submitted by NDEP on 4/1/14.
Section 12.3	Permit Requirements for Major Sources in Nonattainment Areas	4/1/14	79 FR 62351, 10/17/14	Amended by Clark County Board of County Commissioners on March 18, 2014 through Ordinance No. 4189. Submitted by NDEP on 4/1/14.
Section 12.4	Authority to Construct Application and Permit Requirements For Part 70 Sources	4/1/14	79 FR 62351, 10/17/14	Amended by Clark County Board of County Commissioners on March 18, 2014 through Ordinance No. 4189. Submitted by NDEP on 4/1/14.
Section 12.7: Subsection 12.7.5	Emission Reduction Credits	7/1/10	79 FR 62351, 10/17/14	The heading for subsection 12.7.5 is “Criteria for Granting ERCs.” Adopted by Clark County Board of County Commissioners on May 18, 2010 through Ordinance No. 3864. Submitted by NDEP on 4/1/14.
Section 12.9.1	Annual Emissions Statement	8/18/2020	87 FR 45662, July 29, 2022	Submitted on October 15, 2020.
Section 12.11	General Permits for Minor Stationary Sources	1/1/19	88 FR 38757, 6/14/23	Submitted electronically on April 12, 2019, as an attachment to a letter dated April 12, 2019.
Section 18: Subsections 18.1-18.5.2	Registration/Permit Fees	9/3/81	47 FR 26386 (6/18/82)	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 18: Subsections 18.6-18.12	Registration/Permit Fees	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 23: Subsections 23.1-23.5 (excluding subsections 23.2.1-23.3.1.2, 23.3.4-23.3.5)	Continuous Monitoring by Fossil Fuel-Fired Steam Generators	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii). Subsections 23.2.1-23.3.1.2, 23.3.4-23.3.5, submitted on 7/24/79, were superseded by revised subsections submitted on 11/17/81 and approved at 47 FR 26386 (6/18/82).
Section 23 (Continuous Monitoring by Fossil Fuel-Fired Steam Generators): Subsections 23.2.1-23.3.1.2, 23.3.4-23.3.5)	[related to specifications for continuous monitoring]	9/3/81	47 FR 26386 (6/18/82)	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 25: Subsection 25.2	Upset, Breakdown or Scheduled Maintenance	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii). Subsection 25.1, submitted on 7/24/79, was never approved into the SIP; see 40 CFR 52.1483 and 69 FR 54006, at 54017, 54018 (9/7/04).
Section 26	Emission of Visible Air Contaminants	5/5/2016	82 FR 27622 (6/16/2017)	Submitted on June 29, 2015.
Section 27	Particulate Matter from Process Weight Rate	9/3/81	47 FR 26386 (6/18/82)	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 28: Subsections 28.1 and 28.2	Fuel Burning Equipment	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 31	Reduction of Emission of Sulfur from Primary Non-Ferrous Smelters	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 32: Subsections 32.1, 32.2	Reduction of Animal Matter	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 33	Chlorine in Chemical Processes	1/21/20	87 FR 30424, 5/19/22	Submitted on March 16, 2020 as an attachment to a letter dated March 13, 2020. See also clarification at 69 FR 54006 (9/7/04).
Section 41	Fugitive Dust	1/21/20	87 FR 30424, 5/19/22	Submitted on March 16, 2020 as an attachment to a letter dated March 13, 2020.
Section 42: Subsections 42.1, 42.3 and 42.4	Open Burning	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii). Subsection 42.2 deleted without replacement - see 40 CFR 52.1490(c)(16)(viii)(C).
Section 50	Storage of Petroleum Products	12/28/78	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ii).
Section 51	Petroleum Product Loading into Tank Trucks and Trailers	12/28/78	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ii).
Section 52: Subsections 52.1-52.10 (excluding subsections 52.4.2.3 and 52.7.2)	Handling of Gasoline at Service Stations, Airports and Storage Tanks	12/28/78	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ii). Subsections 52.4.2.3 and 52.7.2 were superseded by amended provisions submitted on 11/17/81 and approved at 47 FR 26386 (6/18/82).
Section 52 (Handling of Gasoline at Service Stations, Airports and Storage Tanks): Subsections 52.4.2.3 and 52.7.2	[related to vapor recovery and sales information]	9/3/81	47 FR 26386 (6/18/82)	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 53	Oxygenated Gasoline Program	1/21/20	87 FR 30424, 5/19/22	Submitted on March 16, 2020 as an attachment to a letter dated March 13, 2020.
Ordinance No. 3809	An Ordinance to Suspend the Applicability and Enforceability of All Provisions of Clark County Air Quality Regulation Section 54, the Cleaner Burning Gasoline Wintertime Program; and Provide for Other Matters Properly Relating Thereto	9/29/09	75 FR 59090 (9/27/10)	See 40 CFR 52.1490(c)(74)(i)(A). Section 54 was suspended by the Clark County Board of County Commissioners through adoption of Ordinance No. 3809 on September 15, 2009. Submitted on 3/26/10 for inclusion into Appendix C of the 2008 Las Vegas Valley CO Maintenance Plan.
Section 60 (excluding subsections 60.4.2 and 60.4.3)	Evaporation and Leakage	6/28/79	46 FR 21758 (4/14/81)	Submitted on 9/18/79. See 40 CFR 52.1490(c)(17)(i). Subsections 60.4.2 and 60.4.3 were superseded by approval of amended provisions at 49 FR 10259 (3/20/84) and 47 FR 26386 (6/18/82).
Section 60: Subsection 60.4.2	[General prohibition on use of cutback asphalt]	9/3/81	49 FR 10259 (3/20/84)	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(vi).
Section 60: Subsection 60.4.3	[Exceptions to subsection 60.4.2]	9/3/81	47 FR 26386 (6/18/82)	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 70: subsections 70.1-70.6	Emergency Procedures	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 80	Circumvention	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 81	Provisions of Regulations Severable	12/28/78	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 90	Fugitive Dust from Open Areas and Vacant Lots	1/21/20	87 FR 30424, 5/19/22	Submitted on March 16, 2020 as an attachment to a letter dated March 13, 2020.
Section 91	Fugitive Dust from Unpaved Roads, Unpaved Alleys, and Unpaved Easement Roads	4/29/14	79 FR 60080, 10/6/14	Adopted by Clark County on April 15, 2014 and submitted by NDEP on May 27, 2014.
Section 92	Fugitive Dust from Unpaved Parking Lots, Material Handling & Storage Yards, & Vehicle & Equipment Storage Yards	4/29/14	79 FR 60080, 10/6/14	Adopted by Clark County on April 15, 2014 and submitted by NDEP on May 27, 2014.
Section 93	Fugitive Dust from Paved Roads & Street Sweeping Equipment	1/21/20	87 FR 30424, 5/19/22	Submitted on March 16, 2020 as an attachment to a letter dated March 13, 2020.
Section 94	Permitting & Dust Control for Construction Activities	1/21/20	87 FR 30424, 5/19/22	Submitted on March 16, 2020 as an attachment to a letter dated March 13, 2020.
Section 94 Handbook	Construction Activities Dust Control Handbook	4/1/03	71 FR 63250 (10/30/06)	Originally adopted on 6/22/00, and amended on 3/18/03. Submitted on 3/26/03. See 40 CFR 52.1490(c)(61)(i)(A)(1). Supersedes earlier version of rule approved at 69 FR 32273 (6/9/04).
Clark County Building Code, Section 3708	Residential Wood Combustion Ordinance (Fireplace), No. 1249	12/4/90	68 FR 52838 (9/8/03)	Adopted on 11/20/90, and submitted on 11/19/02. See 40 CFR 52.1490(c)(41)(i)(A)(1).

District citation	Title/Subject	District effective date	EPA Approval date	Additional explanation
GENERAL DEFINITIONS
010.000	Definitions	5/26/2016	82 FR 27622 (6/16/2017)	Submitted on August 15, 2016.
010.005	Air Contaminant	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.010	Air Pollution	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.011	Allowable emissions	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.014	Asphalt	5/23/79 (adopted)	46 FR 21758 (4/14/81).	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.015	Atmosphere	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.020	Board of Health	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.025	BTU-British Thermal Unit	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.028	Cold Cleaner	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.030	Combustion Contaminants	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.035	Combustible Refuse	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.040	Commercial Fuel Oil	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.045	Condensed Fumes	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.050	Control Equipment	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.055	Control Officer	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.057	Conveyorized Degreaser	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.059	Cut-back Asphalt	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.060	District Health Officer	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.065	Dusts	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.070	Emission	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.071	Freeboard height	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.072	Freeboard ratio	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.075	Fuel	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.080	Fuel Burning Equipment	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.085	Garbage	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.090	Gas	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.091	Gasoline	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.095	Health District	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.100	Hearing Board	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.105	Incinerator	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.106	Lowest Achievable Emission Rate	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.107B	Major Emitting Facility Or Major Stationary Source (Nonattainment Areas)	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.108	Major Modification	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.110	Mist	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.116	Non Attainment Area	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.117	Non Attainment Pollutant	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.120	Nuisance	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.125	Odor	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.130	Opacity	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.135	Open Fire	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.136	Open Top Vapor Degreaser	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.140	Particulate Matter	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.145	Pathological Waste	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.117	Pellet Stove	2/23/06	72 FR 33397 (6/18/07)	Submitted on 5/5/06. See 40 CFR 52.1490(c)(63)(i)(A)(1).
010.148	Penetrating Prime Coat	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.149	Penetrating Seal Coat	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.150	Person	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.151	Potential to Emit	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.155	Process Weight	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.160	Process Weight Rate	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.165	Ringelmann Chart	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.166	Significant Ambient Impact	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.170	Smoke	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.175	Source	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.1751	Source Registration	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
010.180	Stack or Chimney	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.185	Standard Conditions	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
010.197	Volatile Organic Compound	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 4/24/79. See 40 CFR 52.1490(c)(16)(iii).
GENERAL PROVISIONS
020.005	Board of Health-Powers and Duties	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.010	Injunctive Relief	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.015	Judicial Relief	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.025	Control Officer-Powers and Duties	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.035	Violations of Regulations	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.040	Notice of Violation	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.045	Citation	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.050	Administrative Fines	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.055	Injunctive Relief	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.055	Confidential information	1/24/79 (adopted)	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ix).
020.060	Interference with Performance of Duty	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.070	Sampling and Testing	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.080	Circumvention	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.085	Upset, Breakdown or Scheduled Maintenance	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.090	Registration of Sources	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
020.095	Severability	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
SOURCE REGISTRATION AND OPERATION
030.000	Sources - General	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.005	[Authority to Construct must be issued before any building permit]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.010	[Limits on Issuance of Authorities to Construct]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.015	[Public notice requirement for major sources]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.025	Registration Application	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.030	[Limits on effect of acceptance of permit application or issuance of Authority to Construct]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.110	[modifications]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.115(1), (5), and subsection (B)	[Additional requirements for major sources in general and specific additional requirements for major sources of nonattainment pollutants]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.120	[Violations and Stop Work Orders]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.1201	[Person served with Stop Work Order]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.205	[Registration Requirement]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.210	[Issuance of Permits to Operate]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.215	[Limits on Meaning of Issuance of Permit to Operate]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.218	Demonstration of Compliance	6/28/12	77 FR 60915 (10/5/12)	Submitted on 8/30/12.
030.230	Record Keeping	6/28/12	77 FR 60915 (10/5/12)	Submitted on 8/30/12.
030.235	Requirements for Source Sampling and Testing	6/28/12	77 FR 60915 (10/5/12)	Submitted on 8/30/12.
030.245	[Permit to Operate is not transferable]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.250	[Permit to Operate is subject to suspension or revocation for violation]	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
030.300	Fee and Fee Schedule	5/23/79 (adopted)	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ix).
030.305	Plan Review Fees	5/23/79 (adopted)	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ix).
030.310	[Permit to Operate - Schedule of Fees]	5/23/79 (adopted)	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ix).
030.970 (subsection A only)	Part 70 Permit Monitoring and Compliance	6/28/12	77 FR 60915 (10/5/12)	Submitted on 8/30/12.
030.3101	Fuel burning equipment	5/23/79 (adopted)	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ix).
030.3102	Incinerators	5/23/79 (adopted)	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ix).
030.3103	Storage tanks	5/23/79 (adopted)	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ix).
030.3104	Processes	5/23/79 (adopted)	46 FR 43141 (8/27/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ix).
PROHIBITED EMISSIONS
040.005	Visible Air Contaminants	2/23/06	72 FR 33397 (6/18/07)	Submitted on 5/5/06. See 40 CFR 52.1490(c)(63)(i)(A)(1).
040.010	Particulate Matter	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.015	Specific Contaminants	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.020	Dust and Fumes	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.025	Exceptions	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.030	Dust Control	11/1/02	72 FR 25969 (5/8/07)	Adopted on 7/26/02. Submitted on 8/5/02. See 40 CFR 52.1490(c)(55)(i)(A)(2).
040.031	Street Sanding Operations	2/27/02	71 FR 14386 (3/22/06)	Adopted on 2/27/02. Submitted on 8/5/02. See 40 CFR 52.1490(c)(55)(i)(A)(1).
040.032	Street Sweeping Operations	2/27/02	71 FR 14386 (3/22/06)	Adopted on 2/27/02. Submitted on 8/5/02. See 40 CFR 52.1490(c)(55)(i)(A)(1).
040.035	Open Fires	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.040	Burning Permit Conditions	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.045	Refuse Disposal	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.050	Incinerator Emissions	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.051	Wood-Burning Devices	7/1/2022	89 FR 76737, 9/19/2024	Submitted on 10/4/2022.
040.060	Sulfur Content of Fuel	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.065	Reduction of Animal Matter	2/1/72	37 FR 15080 (7/27/72)	Submitted on 6/12/72. See 40 CFR 52.1490(c)(2).
040.070	Storage of Petroleum Products	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
040.075	Gasoline Loading into Tank Trucks and Trailers	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
040.080	Gasoline Unloading from Tank Trucks and Trailers into Storage Tanks	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
040.085	Organic Solvents	1/24/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
040.090	Cut-Back Asphalts	5/23/79 (adopted)	46 FR 21758 (4/14/81)	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(iii).
040.095	Oxygen Content of Motor Fuel	10/24/13 (amended)	83 FR 983 (1/9/18)	Previously approved at 73 FR 38124 (7/3/08). Submitted on 3/28/14. Suspends local motor fuel oxygenate requirement.
[Related to 040.095]	Washoe County District Board of Health Meeting, September 22, 2005, Public Hearing-Amendments - Washoe County District Board of Health Regulations Governing Air Quality Management; to Wit: Rule 040.095 (Oxygen Content of Motor Vehicle Fuel)	9/22/05	73 FR 38124 (7/3/08)	See 52.1490(c)(69)(i)(A)(1)(i).
EMERGENCY EPISODE PLAN
050.001	Emergency Episode Plan	3/23/06	72 FR 33397 (6/18/07)	Submitted on 5/5/06. See 40 CFR 52.1490(c)(63)(i)(A)(1).
060.010	Emergency Authority to Act	2/1/72	37 FR 15080 (7/27/72)	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
060.015	Sampling Stations and Air Sampling	2/1/72	37 FR 15080 (7/27/72)	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
060.020	Reports	2/1/72	37 FR 15080 (7/27/72)	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
060.025	Continuing Program of Voluntary Cooperation	2/1/72	37 FR 15080 (7/27/72)	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).

Table 1 - EPA-Approved Nevada Regulations and Statutes
State citation	Title/Subject	State effective date	EPA Approval date	Additional explanation
Nevada Revised Statutes, Title 43, Public Safety; Vehicles; Watercraft; Chapter 485, Motor Vehicles: Insurance and Financial Responsibility
485.050	“Motor vehicle” defined	10/1/03	77 FR 59321 (9/27/12)	Submitted on 5/21/12. Nev. Rev. Stat. Ann. §485.050 (Michie 2010).
Nevada Administrative Code, Chapter 445B, Air Controls, Air Pollution; Nevada Administrative Code, Chapter 445, Air Controls, Air Pollution; Nevada Air Quality Regulations - Definitions
445B.001	Definitions	1/1/07	73 FR 19144 (4/9/08)	Most recently approved version was submitted on 6/26/07. See 40 CFR 52.1490(c)(66)(i)(A)(3)(ii).
445.431	“Acid mist” defined	8/28/79	49 FR 11626 (3/27/84)	Submitted on 10/26/82. See 40 CFR 52.1490(c)(25)(i)(A).
445B.002	“Act” defined	8/28/79	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(1)(i).
445B.003	“Adjacent properties” defined	12/13/93	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.0035	“Administrative revision to a Class I operating permit” defined	09/24/04	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.004	“Administrator” defined	10/14/82	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(2)(i).
445B.005	“Affected facility” defined	10/30/95	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(3)(i).
445B.006	“Affected source” defined	10/25/01	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(3)(v).
445B.007	“Affected state” defined	12/13/93	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.009	“Air-conditioning equipment” defined	12/4/76	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(1)(i).
445.436	“Air contaminant” defined	8/28/79	49 FR 11626 (3/27/84)	Most recently approved version was submitted on 10/26/82. See 40 CFR 52.1490(c)(25)(i)(A).
445B.011	“Air pollution” defined	3/5/98	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(3)(ii).
445B.013	“Allowable emissions” defined	10/31/05	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.014	“Alteration” defined	10/30/95	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.015	“Alternative method” defined	10/30/95	71 FR 71486 (12/11/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(7)(i).
445B.016	“Alternative operating scenarios” defined	10/30/95	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.018	“Ambient air” defined	10/22/87	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(2)(ii).
445B.019	“Applicable requirement” defined	07/22/10	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.022	“Atmosphere” defined	12/4/76	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(1)(i).
445B.029	“Best available retrofit technology” defined	4/23/09	77 FR 17334 (3/26/12)	Included in supplemental SIP revision submitted on September 20, 2011, and approved as part of approval of Nevada Regional Haze SIP.
445.445	“Barite” defined	1/25/79	49 FR 11626 (3/27/84)	Submitted on 10/26/82. See 40 CFR 52.1490(c)(25)(i)(A).
445.447	“Barite grinding mill” defined	1/25/79	49 FR 11626 (3/27/84)	Submitted on 10/26/82. See 40 CFR 52.1490(c)(25)(i)(A).
445B.030	“British thermal units” defined	10/22/87	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(2)(ii).
445B.035	“Class I-B application” defined	10/30/95	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.036	“Class I source” defined	09/24/04	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.037	“Class II source” defined	07/22/10	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.038	“Class III source” defined	07/22/10	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445.458	“Calcine” defined	12/4/76	49 FR 11626 (3/27/84)	Most recently approved version was submitted on 10/26/82. See 40 CFR 52.1490(c)(25)(i)(A).
445.464	“Coal” defined	12/4/76	49 FR 11626 (3/27/84)	Most recently approved version was submitted on 10/26/82. See 40 CFR 52.1490(c)(25)(i)(A).
445.470	“Colemanite” defined	11/17/78	49 FR 11626 (3/27/84)	Submitted on 10/26/82. See 40 CFR 52.1490(c)(25)(i)(A).
445.471	“Colemanite processing plant” defined	11/17/78	49 FR 11626 (3/27/84)	Submitted on 10/26/82. See 40 CFR 52.1490(c)(25)(i)(A).
445B.042	“Combustible refuse” defined	12/4/76	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(1)(i).
445B.0423	“Commence” defined	04/17/08	77 FR 59321 (9/27/12)	Submitted on 5/21/12. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.0425	“Commission” defined	3/5/98	71 FR 15040 (3/27/06)	Submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(3)(ii).
445B.044	“Construction” defined	10/31/05	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.046	“Contiguous property” defined	12/04/76	77 FR 59321 (9/27/12)	Submitted on 1/24/11. November 2010 codification of NAC chapter 445B published by the Nevada Legislative Counsel Bureau.
445B.047	“Continuous monitoring system” defined	12/4/76	71 FR 15040 (3/27/06)	Most recently approved version was submitted on 1/12/06. See 40 CFR 52.1490(c)(56)(i)(A)(1)(i).

EPA-Approved Nevada Nonregulatory Provisions and Quasi-Regulatory Measures
Name of SIP provision	Applicable geographic or nonattainment area	State submittal date	EPA approval date	Explanation
* Not applicable. ¹ The organization of this table generally follows from the organization of the State of Nevada's original 1972 SIP, which was divided into 12 sections. Nonattainment and maintenance plans, among other types of plans, are listed under Section 5 (Control Strategy). Lead SIPs and Small Business Stationary Source Technical and Environmental Compliance Assistance SIPs are listed after Section 12 followed by nonregulatory or quasi-regulatory statutory provisions approved into the SIP. Regulatory statutory provisions are listed in 40 CFR 52.1470(c).
AIR QUALITY IMPLEMENTATION PLAN FOR THE STATE OF NEVADA¹
Section 1 - Legal authority	State-wide	1/28/72	37 FR 10842 (5/31/72)	See 40 CFR 52.1490(b). Statutes approved into the SIP are listed at the end of this table.
Legal opinions concerning the plan	State-wide	11/17/72	38 FR 12702 (5/14/73).	See 40 CFR 52.1490(c)(4).
Section 2 - Control regulations	State-wide, Clark County and Washoe County air districts, and certain city and county jurisdictions	()	Not applicable	See paragraph (c) of 40 CFR 52.1470, above.
Section 3 - Air quality data summary (excluding subsection 3.2)	State-wide	1/28/72	37 FR 10842 (5/31/72)	See 40 CFR 52.1490(b). An amended subsection 3.2 was submitted on 12/10/76 and approved at 43 FR 26932 (8/21/78).
Subsection 3.2 (SO2 Data)	State-wide	12/10/76	43 FR 26932 (8/21/78)	Superseded subsection 3.2 from the original SIP. See 40 CFR 52.1490(c)(12).
Section 4 - Emissions summary (excluding subsection 4.2)	State-wide	1/28/72	37 FR 10842 (5/31/72)	See 40 CFR 52.1490(b). An amended subsection 4.2 was submitted on 12/10/76 and approved at 43 FR 26932 (8/21/78).
Subsection 4.2 (Exceptions)	State-wide	12/10/76	43 FR 26932 (8/21/78)	Superseded subsection 4.2 from the original SIP. See 40 CFR 52.1490(c)(12).
Section 5 - Control strategy (excluding subsection 5.1 and table 5.1)	State-wide	1/28/72	37 FR 10842 (5/31/72)	See 40 CFR 52.1490(b). Errata sheet correcting page 5-21 was submitted by Nevada on 4/26/72 and approved with the original SIP on 1/28/72. See 40 CFR 52.1490(c)(1). Subsection 5.1 and table 5.1 was superseded by amended provisions at 43 FR 26932 (8/21/78).
Subsection 5.1 (Approach)	State-wide	12/10/76	43 FR 26932 (8/21/78)	Superseded subsection 5.1 from the original SIP. See 40 CFR 52.1490(c)(12).
Table 5.1 (Classification of regions)	State-wide	12/10/76	43 FR 26932 (8/21/78)	Superseded table 5.1 from the original SIP. See 40 CFR 52.1490(c)(12).
Table 5.2 (Set 1 Pollutants)	Clark County	12/10/76	43 FR 26932 (8/21/78)	Specifies SO2 control strategy analysis for Clark County. See 40 CFR 52.1490(c)(12).
Nevada State Implementation Plan for Interstate Transport to Satisfy the Requirements of Clean Air Act 110(a)(2)(D)(i) for the 8-hour Ozone and PM2.5 NAAQS Promulgated in July 1997 (January 31, 2007)	State-wide	2/5/07	72 FR 41629 (7/31/07)	See 40 CFR 52.1490(c)(64)(i)(A)(1).
Mason Valley #108 (Yerington) and Fernley Area #76 Air Quality Implementation Plan	Mason Valley and Fernley Area	12/29/78	46 FR 21758 (4/14/81)	TSP nonattainment plan. See 40 CFR 52.1490(c)(14)(iii). TSP plan was approved with conditions, but conditions were revoked at 47 FR 15790 (4/13/82).
Letter from Michael L. Eckstein, P.E., Lyon County Engineer, 2/27/79	Yerington and Fernley	7/24/79	46 FR 21758 (4/14/81)	Relates to paving schedule to reduce TSP emissions. See 40 CFR 52.1490(c)(16)(iv).
Lander County Air Quality Improvement Plan	Lander County	12/29/78	46 FR 21758 (4/14/81)	TSP nonattainment plan. See 40 CFR 52.1490(c)(14)(iii). TSP plan was approved with conditions, but conditions were revoked at 47 FR 15790 (4/13/82).
Resolution, County of Lander, May 3, 1979	Lander County	7/24/79	46 FR 21758 (4/14/81)	See 40 CFR 52.1490(c)(16)(iv).
Carson Desert (#101 (Fallon) Air Quality Implementation Plan	Carson Desert	12/29/78	46 FR 21758 (4/14/81)	TSP nonattainment plan. See 40 CFR 52.1490(c)(14)(iii). TSP plan was approved with conditions, but conditions were revoked at 47 FR 15790 (4/13/82).
Letter from Ben T. Bartlett, P.E., City Engineer, City of Fallon, 12/20/78	City of Fallon	7/24/79	46 FR 21758 (4/14/81)	Relates to paving schedule to reduce TSP emissions. See 40 CFR 52.1490(c)(16)(iv).
Winnemucca Segment (#70) Air Quality Implementation Plan	Winnemucca Segment	12/29/78	46 FR 21758 (4/14/81)	TSP nonattainment plan. See 40 CFR 52.1490(c)(14)(iii). TSP plan was approved with conditions, but conditions were revoked at 47 FR 15790 (4/13/82).
Letter from Leslie F. Harmon, Councilman, City of Winnemucca, 11/11/79	City of Winnemucca	7/24/79	46 FR 21758 (4/14/81)	Relates to paving schedule to reduce TSP emissions. See 40 CFR 52.1490(c)(16)(iv).
Redesignation Request and Maintenance Plan for the National Sulfur Dioxide Standard - Central Steptoe Valley	Central Steptoe Valley, White Pine County	2/14/95	67 FR 17939 (4/12/02)	Sulfur dioxide redesignation request and maintenance plan. See 40 CFR 52.1490(c)(39)(i)(A).
Supplement to Maintenance Plan for the National Sulfur Dioxide Standard - Central Steptoe Valley	Central Steptoe Valley, White Pine County	2/27/02	67 FR 17939 (4/12/02)	Supplement consists of a letter from Allen Biaggi, Administrator, NDEP, to Wayne Nastri, EPA Region IX Regional Administrator, dated 2/27/02. See 40 CFR 52.1490(c)(40)(i)(A).
Las Vegas Valley Air Quality Implementation Plan, 12/5/78	Las Vegas Valley, Clark County	12/29/78	46 FR 21758 (4/14/81)	Carbon monoxide, photochemical oxidant, and TSP nonattainment plan. See 40 CFR 52.1490(c)(14)(iii). The plan was approved with conditions, but conditions were revoked at 47 FR 15790 (4/13/82).
Two memoranda of understanding between Clark County, the Health District, and the Transportation Policy Committee	Las Vegas Valley, Clark County	7/24/79	46 FR 21758 (4/14/81)	Amendments to the Las Vegas Valley Air Quality Implementation Plan, 12/5/78. See 40 CFR 52.1490(c)(16)(v).
Air Quality Implementation Plan, Las Vegas Valley, Clark County, Nevada, Revised 11/18/80 (excluding Clark County Air Pollution Control Regulations)	Las Vegas Valley, Clark County	4/4/81	47 FR 15790 (4/13/82)	Updates Las Vegas Valley Air Quality Implementation Plan, 12/5/78, for carbon monoxide, ozone and TSP to respond to conditions placed on approval. See 40 CFR 52.1490(c)(23)(i). Clark County air pollution control regulations were included as appendix C to the plan but were not approved as part of the plan.
Air Quality Implementation Plan, Las Vegas Valley, Clark County, Nevada, Update, 6/1/82	Las Vegas Valley, Clark County	6/23/82	49 FR 44208 (11/5/84)	Submitted as required in response to EPA's approval of request for extension of CO attainment date to 1987. See 40 CFR 52.1490(c)(32).
Air Quality Implementation Plan, Las Vegas Valley, Clark County, Nevada, Post 1982 Update, July 1984	Las Vegas Valley, Clark County	1/11/85	51 FR 29923 (8/21/86)	Submitted as required in response to EPA's approval of request for extension of ozone attainment date to 1987. In addition to the plan itself, the approval includes an emissions inventory for 1995, transmitted by letter dated 3/14/86. See 40 CFR 52.1490(c)(33)(i)(A).
Emissions Inventory for 1995	Las Vegas Valley, Clark County	3/14/86	51 FR 29923 (8/21/86)	Supplements the Air Quality Implementation Plan, Las Vegas Valley, Clark County, Nevada, Post 1982 Update, 7/84. See 40 CFR 52.1490(c)(33)(ii)(A).
Ozone Redesignation Request and Maintenance Plan, Clark County, Nevada (March 2011)	Clark County, Nevada: that portion of Clark County that lies in hydrographic areas 164A, 164B, 165, 166, 167, 212, 213, 214, 216, 217, and 218, but excluding the Moapa River Indian Reservation and the Fort Mohave Indian Reservation	4/11/11	78 FR 1149, 1/8/13	Approval includes appendices A, B, and C. Relates to the 1997 8-hour ozone standard.
Second Maintenance Plan for the 1997 8-hour Ozone NAAQS, Clark County, Nevada (December 2021), and Revision to Contingency Measures Plan in the Second Maintenance Plan for the 1997 8-hour Ozone NAAQS (July 2023)	Las Vegas, Nevada: that portion of Clark County that lies in hydrogeographic areas 164A, 164B, 165, 166, 167, 212, 213, 214, 216, 217, and 218, but excluding the Moapa River Indian Reservation and the Fort Mohave Indian Reservation	Clark County Second Maintenance Plan: 1/24/2022, Contingency Measure Revision: 8/16/2023	89 FR 23918, 4/5/2024	Fulfills requirement for second ten-year maintenance plan.
Revision to Motor Vehicle Emissions Budgets in Ozone Redesignation Request and Maintenance Plan: Clark County, Nevada (October 2018)	Clark County, Nevada: That portion of Clark County that lies in hydrogeographic areas 164A, 164B, 165, 166, 167, 212, 213, 214, 216, 217, and 218, but excluding the Moapa River Indian Reservation and the Fort Mohave Indian Reservation	10/31/18	84 FR 44699, 8/27/2019	Conditional approval of revised emission inventory and budgets. Includes a State commitment to revise the budgets within one year.
Revision to Motor Vehicle Emissions Budgets for the 1997 Ozone NAAQS, Clark County, Nevada (August 2020).	Clark County, Nevada: That portion of Clark County that lies in hydrogeographic areas 164A, 164B, 165, 166, 167, 212, 213, 214, 216, 217, and 218, but excluding the Moapa River Indian Reservation and the Fort Mohave Indian Reservation.	9/30/20	86 FR 59643, 10/ 28/21	Submitted by NDEP electronically on September 30, 2020, as an attachment to a letter dated September 25, 2020. Approval of the 2020 Ozone Maintenance Plan Revision removes the condition placed on the approval of the 2018 Ozone Maintenance Plan Revision.
Revision to Nevada 2015 Eight-Hour Ozone Plan, Emissions Inventory Requirement for the Las Vegas Valley Nonattainment Area, Clark County, NV (October 15, 2020).	Las Vegas Valley, Clark County.	10/15/2020	11/14/2022, 87 FR 68057	Adopted by the Clark County Board of County Commissioners on September 1, 2020. Submitted by NDEP electronically on October 15, 2020, as an attachment to a letter dated October 8, 2020. Approval of the Base-Year Emissions Inventory for the 2015 Eight Hour ozone NAAQS.
Revision to the Nevada State Implementation Plan for the 2015 Ozone NAAQS: Nonattainment Major NSR Requirements: Las Vegas Valley Nonattainment Area	Las Vegas Valley, Clark County	8/5/2021	88 FR 37139, 5/6/2024	This is an approval of Clark County's certification that the existing Nonattainment New Source Review program is at least as stringent as the requirements of 40 CFR 51.165 for the 2015 ozone NAAQS.
PM-10 State Implementation Plan for Clark County, June 2001	Las Vegas Valley, Clark County	7/23/01	69 FR 32273 (6/9/04)	Adopted 6/19/01. PM-10 nonattainment plan. Approval covers chapter 3, chapter 4 (excluding pages 4-125 and 4-126), chapters 5 through 7, appendices A through E, appendix J, and appendices L through N. All rules and regulations approved in appendix G have been superseded by subsequent EPA approvals of amended regulations. See 40 CFR 52.1490(c)(42)(i)(A)(1).
Pages 4-125 and 4-126 and appendix R (of the PM-10 State Implementation Plan for Clark County)	Las Vegas Valley, Clark County	11/19/02	69 FR 32273 (6/9/04)	Replacement pages and an additional appendix (i.e., Appendix R - Documentation on Residential Wood Combustion Control Measures”) to the PM-10 State Implementation Plan for Clark County. See 40 CFR 52.1490(c)(44)(i)(A)(1).
Redesignation Request and Maintenance Plan for Particulate Matter (PM10), Clark County, Nevada (August 2012)	Las Vegas Valley, Clark County	9/7/12	79 FR 60080 (10/6/14)	Excludes appendix B (“Documentation of the Public Review Process”).
State of Nevada State Implementation Plan for an Enhanced Program for the Inspection and Maintenance of Motor Vehicles for Las Vegas Valley and Boulder City, Nevada, revised March 1996	Portions of Clark County	3/20/96	69 FR 56351 (9/21/04)	I/M SIP. Approval includes the cover page through page 15, appendix 1 (only the Nevada attorney general's opinion and memorandum dated 11/15/93 and 6/29/94, respectively), and appendices 2 and 9. See 40 CFR 52.1490(c)(46)(i)(A)(1).