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MONITORING AND REPORTING JGRAM NO.R5-2005-0827 -3- FORMER 3-FORMER CONNELL MOTOR LIFT TRUCK SAN JOAQUIN COUNTY Constituents EPA Analytical Max.Detection Method Limit(µg/1)' All Volatile Organic 8260B 0.5 Compounds, including Ethylene Dibromide and 1,2- Dichlorethane Total Petroleum Hydrocarbons (TPH),as Gasoline 8260B or 8015M 50 TPH,as Diesel 8015M 100 TPH,as Stoddard Solvent 8015M 100 Benzene 8260B 0.5 Toluene 8260B 0.5 Ethylbenzene 8260B 0.5 Xylene 8260B 0.5 Dissolved Lead3 7241 10 MTBE4 8260B 0.5 TBA' 8260B 5 TAME' 8260B 0.5 DIPE4 8260B 0.5 ETBE4 8260B 0.5 Ethanol4 8260B 50 Methan014 8260B 100 I For nondetectable results. 2 Stoddard Solvent shall be analyzed in all monitoring wells during two monitoring evnts in the first and third quarters. If results are nondetectable for Stoddard Solvent or the results do not conform to the standard for both sampling events,no further monitoring for Stoddard Solvent is required in that well. If Stoddard Solvent is detected,it shall be added to the quarterly monitoring program for the well in which it was detected. 3 If dissolved lead is detected,the Discharger shall perforin verification sampling within 30 days of submittal of the monitoring report. If lead pollutii is verified,the Discharger shall continue quarterly monitoring for dissolved lead. If the presence of dissolved lead is not confirmed,no further test is required. 4 Fuel oxygenates,including MTBE,methanol,ethanol,tertiary butyl alcohol(TBA)tertiary amyl methyl ether(TAME),di•isopropyl ether(DIPS),and ethyl tertiary butyl ether(ETBE)shall be analyzed in all monitoring wells during two monitoring events in the first and third quarters. If results are nondetectable for fuel oxygenates fcr both sampling events,no further monitoring for oxygenates is required in that well. If a fuel oxygenate is detected,it shall be added to the quarterly monitoring program for the well in which it was detected. REPORTING When reporting data, the Dischargers shall arrange the information in tabular form so that the date, the constituents, and the concentrations are readily discernible. The data shall be summarized in such a manner as to illustrate clearly the compliance with this Order. In addition,the Dischargers shall notify Regional Board staff within 48 hours of any unscheduled shutdown of any soil vapor and/or groundwater extraction system. As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all reports shall be prepared by, or under the direction of, a registered professional and signed by the registered professional. Paper copies of quarterly reports shall be submitted to the Regional-Board by the 1st day of the second month following the end of each calendar quarter (i.e., by I February, 1 May, 1 August, and 1 November) until such time as the Executive Officer determines that the reports are no longer necessary. Each quarterly report shall include the following minimum information: