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MONITORING AND REPORT PROGRAM NO. 5-01-835 • -2 - HERMAN 2 -HERMAN&HELEN'S MARINA STOCKTON, SAN JOAQUIN COUNTY TABLE 1 EPA Analytical Max.Detection Sampling Constituents Method Limit(µg/1)' Frequency Depth to Groundwater --- --- Quarterly Volatile Organic Compounds 8010 or 8260B Various' Quarterly Total Petroleum Hydrocarbons as gasoline 8015M 50 Quarterly Benzene 8020 or 8260B 0.5 Quarterly Toluene 8020 or 8260B 0.5 Quarterly Ethylbenzene 8020 or 8260B 0.5 Quarterly Xylene 8020 or 8260B 0.5 Quarterly Dissolved Lead 7241 5.0 Quarterly MTBEs 8260B 0.5 Quarterly TBA' 8260B 5.0 Quarterly TAMES 8260B 0.5 Quarterly DIPES 8260B 0.5 Quarterly ETBES 8260B 0.5 Quarterly Ethanols 8260B 5.0 Quarterly Methanols 8260B 50 Quarterly 'For nondetectable results. Detection limits must meet the minimum requirements of the California Toxics Rule. 2 I volatile organic compounds(VOCs)are detected,the Discharger shall continue quarterly monitoring for VOCs in the well in which they were detected. If results are nondetectable in all wells,no further monitoring for VOCs is required. Maximum detection limit is based on the method chosen. Detection limit must meet the minimum requirements of the California Toxics Rule. °If dissolved lead is detected,the Discharger shall perform verification sampling within 30 days of submittal of the monitoring report. If lead pollution is verified,the Discharger shall continue quarterly monitoring for dissolved lead. If the presence of dissolved lead is not confirmed, fiuther testing is not required during subsequent monitoring events. 5 Fuel oxygenates,including`methyl tertiary butyl ether(MTBE),methanol,ethanol,tertiary butyl alcohol(TBA), tertiary amyl methyl ether(TAME), di-isopropyl ether(DIPE),and ethyl tertiary butyl ether(ETBE)shall be analyzed in all monitoring wells during one monitoring event. If results are nondetectable at the required reporting limit for fuel oxygenates in all wells,no further monitoring for oxygenates is required. 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 Discharger 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. As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all reports shall be prepared by a registered professional or their subordinate and signed by the registered professional. Quarterly reports shall be submitted to the Board by the 1st day of the second month following the end of each calendar quarter (i.e., by 1 February, l May, 1 August, and 1 November)