5-7-9: PERFORMANCE STANDARDS, NOXIOUS AND ODOROUS MATTER:
   (A)   Use, Lot and Bulk Regulations (Performance Standards, Noxious and Odorous Matter):
      1.   Any use established in the Light Industrial District after April 1, 1963 shall be so operated as to comply with the performance standards governing noxious and odorous materials set forth hereinafter. No use lawfully established on April 1, 1963 shall be so altered or modified as to conflict with, or further conflict with, the performance standards governing noxious and odorous materials established hereinafter.
      2.   In addition to the performance standards specified hereinafter, the emission of noxious and odorous matter in such manner or quantity as to be detrimental to or endanger the public health, safety, comfort or welfare is hereby declared to be a public nuisance and shall henceforth be unlawful.
   (B)   Light Industrial District (Performance Standards, Noxious and Odorous Matter):No activity or operation shall cause at any time the discharge of matter in such concentration as to be noxious. The emission of matter in such quantities as to be readily detectable as an odor at any point along lot lines is prohibited.