(a) "Acceptable industrial wastes" means liquid organic waste materials not containing toxic or explosive elements or other substances injurious to sewers or sewage treatment processes, which result from any commercial, manufacturing, or industrial operation or process.
(b) "Nonacceptable industrial waste" means liquid wastes in which are incorporated minerals, oil, acid, or toxic metallic or chemical substances resulting from any commercial, manufacturing, or industrial operation or process.
(c) "Sanitary sewage" means the waste from water closets, urinals, lavatories, sinks, bathtubs, showers, household laundries, cellar floor drains, garage floor drains, bars, soda fountains, cuspidors, refrigerator drips, drinking fountains, and any other waterborne waste not constituting an industrial waste.
(1980 Code 50.40)