No person shall discharge into any storm drain any of the following materials: free floating oil or emulsified oils which:will accumulate in the drains or along banks of streams into which discharge is made; and will result in a readily discernable film on the receiving water or will accumulate on facilities or structures alongside or in the receiving waters; acids or alkalies in concentrations sufficient to damage the drainage system or the waters into which the drains discharge; or organic, chemical, or other pollutants that will deleteriously affect the water quality, as defined by the State Water Quality Standards, of the waters into which the drain will ultimately discharge. City Code, 1976/83, art. 25, §6(a)(4) Ord. 75-914 Ord. 84-129 Ord. 91-775