Insert a new Section 515 into the Mechanical Code to read as follows:
Laboratory hoods. Laboratory hoods and laboratory ventilating systems shall be designed and installed in accordance with NFPA 45.
D.C. Mun. Regs. tit. 12, r. 12-E515
Insert a new Section 515 into the Mechanical Code to read as follows:
Laboratory hoods. Laboratory hoods and laboratory ventilating systems shall be designed and installed in accordance with NFPA 45.
D.C. Mun. Regs. tit. 12, r. 12-E515