When in the public interest, the Commissioner of Health may grant a temporary exemption from the maximum permissible sound levels specified in this subtitle. An application for a temporary exemption must be made in the form that the Commissioner requires. In addition to any other information that the Commissioner requires, the application must contain:the name of the applicant; the location of the property for which the exemption is requested; the dates and hours for which the exemption is requested; the equipment, instruments, or devices that will be producing the sound; the name of the person in charge of operating the equipment, instruments, or devices; and a statement of the reason the exemption is needed or appropriate. A temporary exemption must:be in writing; be signed by the Commissioner; and set forth:the name of the person granted the exemption; the location of the property for which the exemption is granted; the dates and hours for which the exemption is effective; the equipment, instruments, or devices to which the exemption is limited; and any conditions or requirements that the Commissioner specifies. A temporary exemption:may be granted only for a period that is reasonable in view of all the facts, but in no case for more than 30 days; may not be granted more than 3 times in any 1 calendar year for the same location; and may not permit its holder to exceed the maximum permissible sound levels specified in this subtitle by more than 25 dB(A). City Code, 1976/83, art. 11, §239 Ord. 99-548