(a) Local limits and categorical pretreatment standards expressed in terms of concentration may be converted to mass discharge limitations at the discretion of the City. Categorical pretreatment standards which specify mass limitations may alternatively be converted to concentration limits when deemed appropriate by the City.
(b) The may elect to adjust categorical pretreatment standards to reflect the presence of pollutants in the industrial user's intake water in accordance with 40 CFR Part 403.15.
(Ord. 95-20AC. Passed 4-3-95.)