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6 MCAR. H.014. h1DS LINIITA71ONS ON DISCHARUES A. Local Limitations ATTACHMENT? 1. No Person, except as authorized pursuant schedule in a Permit, shall discharge or cause o charged, directly or indirectly, into the MDS any concentrations in excess of the following: Pollutant Limitation to a compliance r allow to be dis- waste containing (Maximum for any operating Cadmium (Cd) 2.0 mg/I Chromium total (Cr) 8.0 mg/1 Copper (Cu) 6.0 mg/I Cyanide total (CN) 4.0 mg/l Lead (Pb) 1.0 mg/I Mercury (Hg) 0.1 mg/l Nickel (NO 6.0 mg/I Zinc Vn) 6.0 mg/I day) 2. No Person shall discharge or cause or allow to be discharged. directly or indirectly, into the MDS any waste containing a pH less than 5.0 units or more than 10.0 units. 3. Notwithstanding the provisions of 16.014A.1 in the event that a discharge of pollutants results In a violation of any requirement of a NPDES Permit for a particular Commission treatment plant v results in the Sewage Sludge from a particular Commission treat- ment plant exceeding standards or limitations contained in local. state, or federal law, the Commission shall order all Persons discharging to said treatment plant to reduce the concentration of pollutants to the degree necessary to remedy NPDES Permit violations or to meet Sewage Sludge rules and regulations. Upon receipt of said order all Persons discharging pollutants to said treatment plant shall immedi- ately comply with said order by reducing the concentration of pol- lutants a-ordingly. This provision shall be applicable to industrial Users suirject to Pretreatment Standards notwithstanding less stringent pollutant limitations contained in said Pretreatment Stand- ards or the provisions of 16.015A.1. 0. Pretreatment 1. An Industrial User shall make Industrial Waste accepiable under the limitations established in §6.014A.1. the prohibitions under 96.013, and/or any applicable Pretreatment Standard before dis- charging. directly or Indirectly, into the MDS. Any Industrial User acquired to pretreat industrial Waste shall provide. operate, and maintain such a facility at the Industrial User's expense. Detailed plans showing the Pretreatment facilities shall be submitted to the Commission for review and approval at least sixty (60) days prior to the Initiation of construction. The Chief Administrator shall ap- prove the Industrial User's Pretreatment plans It it appears that the proposed Pretreatment facility Is capabte of meciing all applicable limitations and prohibitions. The Commission's review and approval shall In no way relieve the Industrial User from the responsibility of modifying the facility as necessary to produce an effluent complying with the provisions of these Rules. Any subsequent modifications in the Pretreatment facilities which will result in a substantial change In discharge shall be reported to and be approved by the Chief Administrator. upon a determination that the modified facility is capable of meeting all applicable limitations and prohibitions. prior to the modification of the existing facility. 2. Residual solids from a Pretreatment facility shall not be disposed, directly or indirectly, into the MDS without prior written approval from the Chief Administrator. The disposal method shall be in accordance with local, state, and federal. requirements. The Chief Administrator shall be notified in writing within tan (10) days of any substantial changes in such residual solids disposal procedures and/or characteristics.