10-5-8: SPECIAL AGREEMENTS:
   A.   Authorized: The City reserves the right to enter into special agreements with users setting out special terms under which they may discharge to the POTW. In no case will a special agreement waive compliance with a categorical pretreatment standard or Federal pretreatment requirement.
   B.   Adjustment Or Variance: However, the user may request a net gross adjustment to a categorical standard in accordance with 40 CFR 403.15. They may also request a variance from the categorical pretreatment standard from the approval authority in accordance with 40 CFR 403.13. (1952 Code § 8-14-08)