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D.C. Mun. Regs. tit. 12-A, ch. 12 – Interior Environment | Midpage
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District of Columbia Municipal Regulations
Title 12
12-A
Chapter 12-A12
D.C. Mun. Regs. tit. 12-A, ch. 12
Interior Environment
District of Columbia, Office of the Secretary
12-A1203
Ventilation
12-A1205
Lighting
12-A1207
Sound Transmission