83-012 ORD ARTICLE III SEWER USE ORDINANCE

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SECTION .35 REPORTING REQUIREMENTS A. COMPLIANCE DATE REPGRTING Within ninety (90) days following the date for final compliance with applicable National pretreatment standarcls or, in the case of a new source, following commencement of the introduction of wastewater into the POTW, any user subject to such pretreatment standards and requirements shall submit to the Superintendent a report iridicating the nature and concentration of all pollutants in the discharge from the regulated process which are limited by those pretreatment stan- dards and requirements. The report shall state the performance of the user in consistently meeting the applicable pretreatment standards and requirements and, if any, what additional pretreatment andlor operation and maintenance is necessary to bring the user into compli- ance with the applicable pretreatment standards or requirements. This statement shall be signed by an authorized representative of the industrial user and certified by a qualified professional engineer. B. PERIODIC COMPLIANCE REPORTING Any user subject to a National pretreatment standard, after the compliance date of such pretreatment standard, or, in the case of a new source, after commencing discharge into the POTW, shall submit to the 5uperintendent during the months of June and December, unless required more frequently in the pretreatment standard or by the Superintendent, a report indicating the nature and concentration of pollutants in the effluent which are limited by such pretreatment standards. User may use the two required samples for this report. In addition, this report shall include a record of all daily flows which during the reporting period exceeded the average daily flow reported in the Compliance Date Report (see previous section). The Superintendent may impose mass limitations on users which are using dilution to meet applicable pretreatment standards or re- quirements, or in other cases, where the imposition of mass limitations are appropriate. In such cases, the Periodic Compliance Report shall indicate the mass of pollutants regulated by pretreatment standards in the effluent of the user. These reports shall contain the results of sampling and analysis of the discharge, including the flow and the nature and concentration, or production and mass where requested by the Superintendent, of pollutants contained herein which are limited by the applicable pretreatment standards. The frequency of monitor- ing shall be prescribed in the pretreatment standards. All analysis shall be performed in accordance with procedures established by the EPA pursuant to Section 304 (g) of the Act and contained in 40 CFR, part 136 and amendments thereto or with any other test procedures approved by the EPA. Sampling shall be performed in accordance with the techniques approved by the EPA. C. CONFIDENTIAL INFORMATION It shall be the policy of the City not to require or accept confi- dential information from industrial users unless necessary to meet state or federal requirements or to stop or prevent interference or damage to the POTW. Any information furnished to the City by an industrial user which the user considers confidential shall be clearly marked by the user as confidential. Information and data on a user obtained from reports, questionnaires, permit applications, permits and monitoring programs and from inspections shall be available to the public or other governmental agency without restriction unless the user specifically requests and is able to demonstrate to the satisfac- tion of the City that the release of such information would divulge information, processes or methods of production entitled to protection as trade secrets of the user. VJastewater constituents and characteristics will not be recognized as confidential information. Informatior_ accepted by the City as confidential will not be transmitted to any governmental agency or to 22