Laserfiche WebLink
<br />e <br /> <br />. <br /> <br />Maximum concentration of heavy metals, Under this article, the maximum <br />allowable concentrations of heavy metals, stated in terms of milligrams per liter <br />(mg/l), are as follows: <br /> <br />(1) ARSENIC <br />(2) CADMIUM <br />(3) CHROMIUM <br />(4) COPPER <br />(5) CYANIDE <br />(6) LEAD <br />(7) MERCURY <br />(8) NICKEL <br />(9) SILVER <br />(10) ZINC <br /> <br />1.108 mg/l <br />0,284 mg/l <br />1.377 mg/l <br />0.723 mg/l <br />0.000 mg/l <br />0.141 mg/l <br />0.006 mg/l <br />0.075 mg/l <br />0,000 mg/l <br />2,295 mg/l <br /> <br />0,000 - Pollutants with a 0.000 local limit will use the detection limit as the local limit. . <br />The limit will be enforced by the minimum analytical limit (MAL) of a permitted <br />industry's discharge, <br /> <br />2.4 City's Right of Revision <br /> <br />The City reserves the right to establish, by ordinance or in wastewater discharge <br />permits, more stringent standards or requirements on discharges to the POTW if <br />deemed necessary to comply with the objectives presented in Section 1,1 of this <br />ordinance or the general and specific prohibitions in Section 2.1 of this ordinance, <br /> <br />2.5 <br /> <br />Special Agreement <br /> <br />1 <br />( <br /> <br />The City reserves the right to enter into special agreements with industrial users <br />setting out special terms which they may discharge to the POTW. In no case will <br />a special agreement waive compliance with a pretreatment standard or <br />requirement, However, the industrial user may request a net gross adjustment to a <br />categorical standard in accordance with 40 CFR 403,15, They may also request a <br />variance from the categorical pretreatment from EP A, Such a request will be <br />approved only if the industrial user can prove that factors relating to its discharge <br />are fundamentally different from factors considered by EP A when establishing <br />that pretreatment standard, An industrial user requesting a fundamentally <br />different factor variance must comply with the procedural and substantive <br />provisions in 40 CFR 403,13. <br /> <br />2,6 Dilution <br /> <br />No industrial user shall ever increase the use of process water, or in any way <br />attempt to dilute a discharge, as partial or complete substitute for adequate <br />treatment to achieve compliance with a discharge limitation unless expressly <br />authorized by the applicable pretreatment standard or requirement. The Director <br />may impose mass limitation on industrial users which are using dilution to meet <br /> <br />13 <br />