District of Columbia Administrative Code

4367 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4368 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4369 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4370 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4371 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4372 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4373 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4374 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4375 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4376 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4377 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4378 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4379 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4380 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4381 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4382 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4383 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4384 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4385 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4386 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4387 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4388 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4389 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4390 FEE SCHEDULE 4390.1 Except as provided in § 4390.5 of this section, each very small quantity generator shall pay an annual permit fee of two hundred fifty dollars ($250) for each facility on or before March 1 of each year; provided however, that corporations, companies, busi…

4391 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4392 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4393 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4394 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4395 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4396 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4397 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4398 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005). AUTHORITY: DC-DCMR District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code 8-151.01 et seq.); section 6 of the District of…

4399 DEFINITIONS 4399.1 The terms in federal regulations that are incorporated by reference in Chapter 42 of this title shall be defined as they are in the federal regulations, unless specified otherwise in this subsection or §§ 4260 - 4279 of chapter 42 of this title. (a) Active…

500 RECORDS AND REPORTS 500.1 The Mayor may require any person engaged in operations which may pollute the air or the handling of products the use of which may result in air pollution to file with him or her written reports containing information concerning the following: (a) Loc…

501 MONITORING DEVICES 501.1 The Mayor shall require the owner or operator of a stationary source which emits more than one hundred (100) tons per year of any air pollutant to install, maintain, and operate, at the expense of the owner or operator, the stationary source monitorin…

502 SAMPLING, TESTS, AND MEASUREMENTS 502.1 The Mayor may conduct, or cause to be conducted, or require an owner or operator to conduct, tests of emission of air pollutants from any source. The Mayor shall not require an owner or operator to conduct tests with unreasonable freque…

599 DEFINITIONS AND ABBREVIATIONS 599.1 The meanings ascribed to the definitions and abbreviations appearing in §§ 199.1 and 199.2 respectively of Chapter 1 shall apply to the terms and abbreviations in this chapter. APPENDIX 5-1 TEST METHODS FOR SOURCES OF VOLATILE ORGANIC COMPO…

5000 PURPOSE 5000.1 The purpose of this chapter is to establish fees to be paid by railroad carriers that will be used to administer and manage expenses of the rail safety and security programs for railroad operations in the District. SOURCE: Final Rulemaking published at 72 DC 0…

HYPERLINK "bookmark://_Toc55288835" \t "_blank"5001 ANNUAL REPORT OF RAILROAD CAR ENTRIES AND EXITS 5001.1 Beginning on June 1, 2026, and for each subsequent year, each railroad carrier operating within the District shall report to the Department no later than June 1 of each year…

5002 IMPOSITION AND CALCULATION OF FEE 5002.1 There is imposed on each railroad carrier operating in the District a fee of sixty cents ($0.60) for each railroad car that enters the District and sixty cents ($0.60) for each railroad car that exits the District, except as provided …

5003 NOTICE OF FEE DUE 5003.1 Beginning on August 1, 2026, and for each subsequent year, the Department shall, no later than August 1 of each year, notify each railroad carrier operating in the District of the amount of that railroad carrier’s fee that is due and payable to the D…

5004 PAYMENT OF FEE 5004.1 Beginning on November 1, 2026, and for each subsequent year, each railroad carrier operating in the District shall, no later than November 1 of each year, pay to the Department the amount stated in the notice of assessment issued by the Department under…

5005 DEPARTMENT DETERMINATION OF RAILROAD CAR ENTRIES AND EXITS 5005.1 If a railroad carrier does not timely file its annual report of railroad car entries and exits as required by § 5001.1, the Department may make a good-faith estimate of the railroad carrier’s railroad car entr…

5006 ADMINISTRATIVE APPEALS 5006.1 A railroad carrier may appeal a notice of assessment by timely filing an administrative appeal with, and requesting a hearing before, the Office of Administrative Hearings (OAH), established pursuant to the Office of Administrative Hearings Esta…

5099 DEFINITIONS 5099.1 When used in this chapter, the following terms shall have the meaning set forth below: Commuter railroad – a short-haul passenger railroad that transports public commuters on a fixed schedule between the District and locations in the Washington, DC metropo…

5500 COMPLIANCE WITH DISTRICT LAWS 5500.1 In addition to these regulations, each owner and operator of an underground storage tank (UST) shall comply with the following: (a) The District of Columbia Underground Storage Tank Management Act of 1990, effective March 8, 1991 (D.C. La…

5501 APPLICABILITY OF UST REGULATIONS 5501.1 The UST Regulations apply to all USTs and UST systems located in the District of Columbia, except as otherwise provided in this chapter, and to each owner, operator, regulated substance delivery person or company, authorized representa…

5502 PARTIAL APPLICABILITY OF UST REGULATIONS TO PARTICULAR UST SYSTEMS 5502.1 In addition to any requirements referenced below, the following USTs are required to comply only with the provisions of this section and with Chapters 62 and 67: (a) Wastewater treatment tank systems n…

5503 PARTIAL APPLICABILITY OF UST REGULATIONS TO HEATING OIL TANKS 5503.1 The owner or operator of a heating oil tank having a capacity less than one thousand one hundred (1,100) gallons is exempt from the requirements of the UST Regulations with the following exceptions: In the …

5504 PARTIAL APPLICABILITY OF UST REGULATIONS TO UST SYSTEMS OF 110 GALLONS OR LESS, HYDRAULIC LIFT TANKS, AND ELECTRICAL EQUIPMENT TANKS 5504.1 The following USTs are required to comply only with the provisions of this section: (a) Any UST associated with equipment or machinery …