District of Columbia Administrative Code

199 DEFINITIONS AND ABBREVIATIONS 199.1 When used in Chapters 1 through 20 of Title 20 DCMR, where not otherwise distinctly expressed or manifestly incompatible with the intent of this subtitle, the following term shall have the meaning ascribed: Act – except as used in Chapter 3…

1000 APPLICABILITY 1000.1 Beginning on May 1, 2015, this chapter applies to any new or existing nitrogen oxides (NOx) unit. SOURCE: Final Rulemaking published at 47 DCR 8646(October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended …

1001 NOx EMISSIONS BUDGET AND NOx LIMIT PER SOURCE 1001.1 The total amount of NOx mass emissions from all NOx budget sources during a control period shall not exceed the maximum allowable NOx budget of twenty five (25) tons per control period, which shall be allocated as follows:…

1002 EMISSIONS MONITORING The owner or operator of each NOx budget source shall comply with the continuous emissions monitoring system (CEMS) provisions of 40 C.F.R. Part 75, subpart H. The emissions monitoring system shall: (a) Be installed, certified, operated, maintained, and …

1003 RECORD-KEEPING AND REPORTING 1003.1 In addition to meeting the general reporting requirements in 20 DCMR §§ 500 and 501, the owner or operator of each NOx budget source shall retain, for a period of at least five (5) years: (a) Information on the amount of NOx emissions from…

1004 EXCESS EMISSIONS 1004.1 For purposes of determining the number of days of violation, if a NOx Budget unit has excess emissions for a control period, each day in the control period (153 days) constitutes a day in violation unless the owners and operators of the unit demonstra…

1005 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1006 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1007 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1008 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1009 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1010 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1011 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1012 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1013 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 62 DCR 5685 (May 8, 2015). District of Columbia Municipal Regulations Envi…

1014 [REPEALED] SOURCE: Final Rulemaking published at 47 DCR 8646 (October 10, 2000); as amended by Final Rulemaking published at 47 DCR 9686 (December 8, 2000); as amended by Final Rulemaking published at 48 DCR 4483 (May 18, 2001); as amended by Final Rulemaking published at 62…

1099 DEFINITIONS 1099.1 When used in this chapter, the following terms shall have the meanings ascribed: Continuous emissions monitoring system or CEMS – the equipment used to sample, analyze and measure air pollutants and provide a permanent record of emissions expressed in poun…

1200 DEMAND RESPONSE GENERATING SOURCES 1200.1 An owner or operator of a demand response generating source shall obtain a permit from the Department pursuant to this section and § 200.1 of this title before any person shall cause, suffer, or allow the construction or modification…

1299 DEFINITIONS 1299.1 The meanings ascribed to the definitions and abbreviations appearing in § 199.1 and § 199.2 of this title shall apply to any terms in this chapter not defined below. Additionally, the following definitions shall apply to the terms as used in this chapter: …

1400 EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES 1400.1 The requirements of 40 C.F.R. part 63, subparts A, B, C, D, E, and appendix A (Test Methods) (40 C.F.R. §§ 63.1 – 63.99), as amended, together with the terms used and defined, are hereby adopted by …

1401 EMISSION STANDARDS FOR PERCHLOROETHYLENE DRY CLEANING FACILITIES 1401.1 After January 1, 2014, no person shall install a machine designed to use perchloroethylene as a cleaning agent for clothes or other fabrics. 1401.2 After January 1, 2029, no person shall use perchloroeth…

1402 EMISSION STANDARDS FOR CHROMIUM EMISSIONS FROM HARD AND DECORATIVE CHROMIUM ELECTROPLATING AND CHROMIUM ANODIZING TANKS 1402.1 The requirements of 40 C.F.R. part 63, subpart N (40 C.F.R. §§ 63.340 – 63.348 and table 1 to subpart N of part 63), as amended, together with the t…

1403 EMISSION STANDARDS FOR HALOGENATED SOLVENT CLEANING 1403.1 The requirements of 40 C.F.R. part 63, subpart T (40 C.F.R. §§ 63.460 – 63.471, appendix A to subpart T of part 63, and appendix B to subpart T of part 63), as amended, together with the terms used and defined, are h…

1404 EMISSION STANDARDS FOR THE PRINTING AND PUBLISHING INDUSTRY 1404.1 The requirements of 40 C.F.R. part 63, subpart KK (40 C.F.R. §§ 63.820 – 63.839, table 1 to subpart KK of part 63, and appendix A to subpart KK of part 63), as amended, together with the terms used and define…

1405 EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR PUBLICLY OWNED TREATMENT WORKS 1405.1 The requirements of 40 C.F.R. part 63, subpart VVV (40 C.F.R. §§ 63.1580 – 63.1595.), as amended, together with the terms used and defined, are hereby adopted by reference, except that …

1406 EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR STATIONARY RECIPROCATING INTERNAL COMBUSTION ENGINES 1406.1 The requirements of 40 C.F.R. 63, subpart ZZZZ (40 C.F.R. §§ 63.6580 – 63.6635 and 63.6645 – 63.6675, tables 1a-1b, tables 2a-2d and, tables 3-8 to subpart ZZZZ of…

1407 EMISSION STANDARDS FOR HOSPITAL AND OTHER ETHYLENE OXIDE STERILIZERS 1407.1 The requirements of 40 C.F.R. part 63, subpart O (40 C.F.R. §§ 63.360 – 63.368), as amended, together with the terms used and defined, are hereby adopted by reference, except that the word “Administr…

1408 EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR GASOLINE DISPENSING FACILITIES 1408.1 The requirements of 40 C.F.R. part 63, subpart CCCCCC (40 C.F.R. §§ 63.11110 – 63.11132, tables 1-3 to subpart CCCCCC of part 63), as amended, together with the terms used and defined, …

1409 EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR PAINT STRIPPING AND MISCELLANEOUS SURFACE COATING OPERATIONS AT AREA SOURCES 1409.1 The requirements of 40 C.F.R. part 63, subpart HHHHHH (40 C.F.R. §§ 63.11169 – 63.11178, and table 1 to subpart HHHHHH of part 63), as amen…

1410 EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR INDUSTRIAL, COMMERCIAL, AND INSTITUTIONAL BOILERS 1410.1 The requirements of 40 C.F.R. part 63, subpart JJJJJJ (40 C.F.R. §§ 63.11193 – 63.11237, and tables 1-8 to subpart JJJJJJ of part 63), as amended, and 40 C.F.R. part …

1411 EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR AREA SOURCE PLATING AND POLISHING OPERATIONS 1411.1 The requirements of 40 C.F.R. part 63, subpart WWWWWW (40 C.F.R. §§ 63.11504 – 63.11513, and table 1 to subpart WWWWWW of part 63), as amended, together with the terms use…

1500 GENERAL CONFORMITY – PURPOSE 1500.1 In accordance with §§ 110 and 171-193 (Part D) of the Clean Air Act, 42 U.S.C. §§ 7410 and 7501 et seq., the District of Columbia (District) must develop an air quality State Implementation Plan (SIP) that includes conformity of federal ac…

1501 GENERAL CONFORMITY – REQUIREMENTS 1501.1 The requirements of 40 CFR §§ 93.150 - .160 (Subpart B), as amended, are hereby adopted by reference for purposes of determining conformity of federal actions to state or federal implementation plans. 1501.2 This rule only applies whe…

1502 TRANSPORTATION CONFORMITY – PURPOSE 1502.1 In accordance with §§ 110 and 171-193 (Part D) of the Clean Air Act, 42 U.S.C. §§ 7410 and 7501 et seq., the District must develop an air quality SIP that includes conformity of transportation plans, programs, and projects funded or…

1503 TRANSPORTATION CONFORMITY – CONSULTATION PROCESS 1503.1 The Metropolitan Planning Organization (MPO), Regional Planning Organization (RPO), the District Department of the Environment (DDOE or the Department), and the District Department of Transportation (DDOT) shall comply …

1504 TRANSPORTATION CONFORMITY – INTERAGENCY CONSULTATION REQUIREMENTS 1504.1 In accordance with this chapter, representatives of the MPO, RPO, DDOE, and DDOT shall undertake an interagency consultation process with the FHWA, FTA, and EPA on the development of the UPWP, transport…

1505 TRANSPORTATION CONFORMITY – CONFLICT RESOLUTION ASSOCIATED WITH CONFORMITY DETERMINATIONS 1505.1 Unresolved conflicts among District agencies, or between District agencies and the MPO, or among the MPO member jurisdictions, shall be identified by the MPO or agency in writing…

1506 TRANSPORTATION CONFORMITY – PUBLIC CONSULTATION PROCEDURES 1506.1 In accordance with 40 CFR § 93.105(e), the MPO shall: (a) Establish a proactive public involvement process which provides reasonable opportunity for review and comment before taking formal action on a conformi…

1507 TRANSPORTATION CONFORMITY – INTERAGENCY CONSULTATION PROCEDURES 1507.1 The MPO, RPO, DDOT, and the Department may enter into agreements to set forth specific consultation procedures in more detail that are not in conflict with this chapter. SOURCE: Notice of Final Rulemaking…

1508 TRANSPORTATION CONFORMITY – PROCEDURES FOR DETERMINING REGIONAL TRANSPORTATION-RELATED EMISSIONS 1508.1 Written commitments to control measures that are not included in the transportation plan and TIP must be obtained prior to a conformity determination and such commitments …

1509 TRANSPORTATION CONFORMITY – ENFORCEABILITY OF DESIGN CONCEPT AND SCOPE AND PROJECT-LEVEL MITIGATION AND CONTROL MEASURES 1509.1 Written commitments to mitigation measures must be obtained prior to a positive conformity determination and project sponsors must comply with such…

1599 DEFINITIONS 1599.1 The meanings ascribed to the definitions and abbreviations appearing in 20 DCMR § 199 shall apply to the terms and abbreviations in this chapter. In addition the following terms and phrases used in this chapter shall have the meanings set forth in this sec…

200 GENERAL PERMIT REQUIREMENTS 200.1 A permit from the Department shall be obtained before any person shall cause, suffer, or allow the construction of a new stationary source, the modification of an existing stationary source, or the installation or modification of any air poll…

201 GENERAL REQUIREMENTS FOR PERMIT ISSUANCE 201.1 The Mayor may issue a permit upon finding the following: (a) That the applicant's proposed equipment, facilities, and procedures are adequate to minimize to danger to public health and welfare; (b) That the issuance of the permit…

202 AMENDMENT, SUSPENSION, REVOCATION, AND DENIAL OF PERMITS 202.1 After providing notice and opportunity for appeal pursuant to § 107 of the air quality regulations, the Department may amend, suspend, revoke, or deny the issuance or renewal of a permit issued pursuant to this ch…

203 STACK HEIGHT AND DISPERSION TECHNIQUES 203.1 The emission limitation for any pollutant required of any source shall not be affected by the following: (a) Any source's stack height that exceeds GEP stack height, with GEP stack height meaning the greater of the following: (1) S…

204 PERMIT REQUIREMENTS FOR MAJOR SOURCES LOCATED IN NON-ATTAINMENT AREAS (NEW SOURCE REVIEW) 204.1 This section shall apply to the construction of any new major stationary source or any major modification at an existing major stationary source in an area designated as nonattainm…

205 NEW SOURCE PERFORMANCE STANDARDS 205.1 The requirements of 40 C.F.R. part 60, subpart A, as in effect on July 29, 2021, together with the terms used and defined, are hereby adopted by reference for the purpose of implementing the New Source Performance Standards (NSPS) for so…

206 [RESERVED] Source: Final Rulemaking published at 44 DCR 2797 (May 9, 1997); as amended by Final Rulemaking published at 59 DCR 13044 (November 16, 2012). AUTHORITY: DC-DCMR The Director of the Department of Energy and Environment (DOEE or Department), pursuant to the authorit…

207 PERMIT REQUIREMENTS FOR INDIRECT SOURCES 207.1 On or after the effective date of this section, no person shall cause, suffer or allow the construction or modification of any indirect source without first obtaining a permit for the construction or modification from the Mayor; …