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SJC MOTORPOOL 0 40 P 0 BOX 1810 STOCKTON, CA 95205 FORMAL NOTIFICATION TO OWNERS TO IMPLEMENT ENHANCED LEAK DETECTION TESTING This is a formal notification that your underground storage tank (UST) system is subject to Enhanced Leak Detection (ELD) testing, based on information in the State Water Resources Control Board's (SWRCB's) Geographical Information System (GIS) mapping database ("Geotracker"). Our information indicates that your UST system is located within 1000 feet of a public drinking water well. Part A of this letter discusses facility and well data related to Geotracker. Part B explains the ELD requirements for UST systems with a single -walled component. Part C explains the ELD requirements for UST systems with secondary containment. Part D explains the process for requesting reconsideration of this notification. PART A. UST FACILITY AND WELL DATA RELATED TO GEOTRACKER Local permitting agencies submitted UST facility data to the S«RCB for entry into Geotracker. UST facility information is available on http://geotracker.swrcb.ca.gov, the Geotracker web site. Enclosure 1 is a street map showing the location of your facility. according to Geotracker. The Department of Health Services and local water districts prodded information on locations of public drinking water wells and their locations into Geotracker. Due to recent security concerns, well location information is not available to the public. Enclosure 2 provides the Facility ID and PIN numbers for the UST system, the name of the water purveyor (owner of the water system), and the name and telephone number for their contact person. We have attempted to improve the accuracy of the information in the Geotracker database. However, the database may still require updating to make it current and complete. As described in Part D below, if you believe Geotracker's information regarding your UST system is inaccurate, or the water purveyor can confirm that nearby public drinking water well data are inaccurate, you may request reconsideration. To verify well information, you will need to contact the water purveyor. PART B. UST SYSTEMS WITH A SINGLE -WALLED COMPONENT For UST systems with a single -walled component, ELD testing- is required once every three years (Health Saf Code, § 25292.4 and Cal. Code of Regs.. tit. 23. § § 2640 and 2644.1). Also, please refer to Enclosure 3, Local Guidance Letter 161-1. Triennial ELD testing is required for UST systems with one or more of the following single -walled components: * single -walled tank, * single -walled pressurized piping, * single -walled conventional suction piping. * dispensers without under -dispenser containment, and * turbines without secondary containment. Vent or tank riser piping, vapor recovery piping, and "safe" or "European" suction piping are not considered single -walled components if they meet the applicable criteria in the regulations [Cal. Code of Regs., tit. 23, § 2636, subd. (a)].