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STANDARD PROVISIONS AND REPORTING a_zQU:R_cMENTS F. Annual Pretreatment Report Recuirements: (Applies to publicly owned treatment works (POTW) whose aggregate design waste flow from one or more plants is 5 million gal lons/day or more. Also applies to other dischargers if so stated in the waste discharge requirements .) The annual report shall be submitted 31 January and include, but not be limited to, the following items: 1 . A summary of analytical results from representative, flow-proportioned 24-hour composite sampling of the POTW's influent and effluent for those pollutants EPA has identified under Section 307(x) of the Clean Water Act which are known or suspected to be discharged by industrial users. The discharger is not required to sample and analyze for asbestos until EPA promulgates an applicable anaytical technique under 40 CFR Part 136. Sludge shall be sampled during the same 24-hour period and analyzed for the same pollutants as the 'influent and effluent sampling and analysis. The sludge analyzed shall be a composite sample of a minimum of 12 dis- crete samples taken at equal time intervals over the 24-hour period. Wastewater and sludge sampling and analysis shall be performed at least annually. The discharger shall also provide any influent, effluent or sludge monitoring data for ncnriority pollutants which may be causing or contributing to Interference, Pass Through or adversely impacting sludge qualitySampling and analysis shall be performed in accordance with the techniques prescribed in 40 CFR Part 136 and amendments thereto. 2. A discussion of Upset, Interference, or Pass Through incidents, if any, at the POTW treatment plant which the discharger knows or suspects were caused by industrialusers of the POTW system. The discussion shall include the reasons why tie incidents occurred, the corrective actions taken and, if known, the name and address of the industrial user(s) responsible. The discussion shall also include a review of the applicable pollutant limitations to determine whether any additional limitations, or changes to existing requirements, may be necessary to prevent Pass Through, Interference, or noncompliance with sludge disposal requirements. 3. The cumulative number of industrial users that the discharger has notified regarding Baseline Monitoring Reports and the cumulative number of indus- trial user responses.. 4. An updated list of the discharger°s industrial users Including their names and addresses, or a list of deletions and additions keyed to a previously submitted list. The discharger shall provide a brief explana- tion for each deletion. The list shall identify the industrial users subject to federal categorical standards by specifying which set(s) of standards are applicable. The list shall indicate which categorical industries, or specific pollutants from each industry, are subject to