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US law
District of Columbia
Regulations
Title 12-B — CONSTRUCTION CODES SUPPLEMENT OF 2017
Chapter 2017-12-B-F — APPENDIX F – PASSIVE RADON GAS CONTROLS
District of Columbia · Regulations
Chapter 2017-12-B-F — APPENDIX F – PASSIVE RADON GAS CONTROLS
2 sections
2 sections
12-B DCMR F101
F101. SCOPE
12-B DCMR F103
F103. PASSIVE RADON-RESISTANT SYSTEM REQUIREMENTS