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 Morro Bay
 Code of Ordinances
 Title 17. ZONING*
 Chapter 17.52. PERFORMANCE STANDARDS

  § 17.52.100. Chemicals.

Latest version.

  • Any business involving the uses or storage of noxious chemicals, including but not limited to pesticides and herbicides, other than those packaged for retail sales, or large volumes of solvents or flammable liquids (excluding gas stations), will not be allowed within one hundred feet of residential uses unless otherwise approved by the director.

    (Ord. 445 § 3 (part), 1995)

    Table 17.52.030(1)

    MAXIMUM ALLOWABLE NOISE EXPOSURE-TRANSPORTATION NOISE SOURCES

    Outdoor Activity Areas(1)
    		Interior Spaces
    Land Use
    		Ldn/CNEL, dB
    		Ldn/CNEL, dB
    		Lcq, dB(2)
    Residential 60(3)
    		45
    		—
    Transient lodging 60(3)
    		45
    		—
    Hospitals, nursing homes 60(3)
    		45
    		—
    Theaters, auditoriums, music halls —
    		—
    		35
    Chuches, meeting halls, office buildings 60(3)
    		—
    		45
    Schools, libraries, museums —
    		—
    		45
    Playgrounds, neighborhood parks 70
    		— —
    (1) Where the location of outdoor activity areas is unknown, the exterior noise level standard shall be applied to the property line of the receiving and use.
    (2) As determine for a typical worst-case hour during periods of use.
    (3) Where it is not possible to reduce noise in outdoor activity areas to 60 Ldn/CNEL, dB or less using a practical application of the best available noise reduction measures, an exterior noise level of up to 65 Ldn/CNEL, dB may be allowed provided that available exterior noise level reduction measures have been implemented and interior noise levels are in compliance with this table.

     

    Table 17.52.030(2)

    MAXIMUM ALLOWABLE NOISE EXPOSURE—STATIONARY NOISE SOURCES1

    Daytime
    		Nighttime
    (7 a.m. to 10 p.m.)
    		(10 p.m. to 7 a.m.)
    Hourly Leq, dB(2) 50
    		45
    Maximum level, dB(2) 70
    		65
    Maximum level, dB—Impulsive noise (3) 65
    		60
    (1) As determined at the property line of the receiving land use. When determining the effectiveness of noise mitigation measures, the standards may be applied on the receptor side of noise barriers or other property line noise mitigation measures.
    (2) Sound level measurements shall be made with slow meter response.
    (3) Sound level measurements shall be made with fast meter response.