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(1) Any unauthorized release recorded or reported under subsections (c) or (d) <br />which the owner or operator is unable to clean up or which is still under <br />investigation within eight hours of detection; <br />(2) The discovery by the owner or operator, local agency, or others of released <br />hazardous substances at the site of the underground storage tanks or in the <br />surrounding area. This includes the presence of free product or vapors in soils, <br />basements, sewer and utility lines, and nearby surface or drinking waters; <br />(3) Unusual operating conditions observed by the owner or operator including erratic <br />behavior of product dispensing equipment, the sudden loss of product from the <br />underground storage tank, or an unexplained presence of water in the tank, <br />unless system equipment is found to be defective, but has not leaked, and is <br />immediately repaired or replaced; and <br />(4) Monitoring results from a release detection method required under Article 3 or <br />Article 4 that indicate a release may have occurred, unless the monitoring device <br />is found to be defective, and is immediately repaired, recalibrated or replaced, <br />and additional monitoring does not confirm the initial results. <br />(f) The reporting requirements of this article are in addition to any reporting <br />requirements in section 13271 of Division 7 of the California Water Code and other <br />laws and regulations. <br />4 A total of two pints of diesel fuel was found in two dispensers on July 20, 2010, <br />and the unauthorized releases were not recorded. <br />Title 23, CCR 2712(b) Maintenance & monitoring records not maintained 3 years, <br />cathodic protection records for 6 '/Z years, written performance claims pertaining <br />to release detection systemsfor 5 years, or records of repairs, linings, and <br />upgrades for the life of the tank. Written monitoring and maintenance records shall be <br />maintained on-site or off-site at a readily available location, if approved by the local <br />agency, for a period of at least 3 years, 6 1/2 years for cathodic protection maintenance <br />records, and 5 years for written performance claims pertaining to release detection <br />systems, and calibration and maintenance records for such systems. Records of repairs, <br />lining, and upgrades shall be maintained on site or at another approved location for the <br />remaining life of the underground storage tank. These records shall be made available, <br />upon request within 36 hours, to the local agency or the State Water Board. Monitoring <br />records shall include: <br />(1) The date and time of all monitoring or sampling; <br />(2) Monitoring equipment calibration and maintenance records; <br />(3) The results of any visual observations; <br />(4) The results of all sample analysis performed in the laboratory or in the field, including <br />laboratory data sheets and analysis used; <br />(5) The logs of all readings of gauges or other monitoring equipment, ground water <br />elevations, or other test results; and <br />(6) The results of inventory readings and reconciliations. <br />3 The 2009 monitoring system certification and 2008 secondary containment test <br />reports were not found on site during the July 20, 2010, routine UST inspection. <br />Title 23, CCR 2712(1) Monitoring plan, response plan, and/or operating permit and <br />all conditions not on site. A copy of the permit and all conditions and attachments, <br />including monitoring plans, shall be retained at the facility. <br />4 Current copies of the Monitoring and Response Plans were not found on site <br />during the July 20, 2010, routine UST inspection. <br />5 <br />