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MONITORING AND REPORTING ORDER NO.R5-2012-0805 <br /> L&M OPERABLE UNIT <br /> STOCKTON,SAN JOAQUIN COUNTY -4- <br /> 2. <br /> 4-2. The Discharger shall analyze samples according to standard Environmental Protection <br /> Agency (EPA) protocol using the methods shown in Table 2. <br /> Example Table 2. Analytical Methods <br /> Analytical Maximum Practical Sampling <br /> Constituents Method Quantitation Limit 5 Frequency <br /> Depth to Groundwater --- --- Quarterly <br /> pH, temperature, electrical Field Meter Varies Varies <br /> conductivity <br /> Separate phase product Field Meter Varies Quarterly <br /> thickness <br /> Benzene, Toluene, 8260B 0.5 pg/L Varies <br /> Ethylbenzene, Xylene, <br /> (BTEX) <br /> Methyl t-butyl ether (MTBE) 8260B 0.5 pg/L Varies <br /> TPH - gasoline 8260B 50 pg/L Varies <br /> Tertiary butyl alchohol 8260B 200 pg/L Varies <br /> (TBA) <br /> TPH — diesel and oil 8015M 50 pg/L Varies <br /> Arsenic 6000/7000 0.023 pg/L Annually <br /> 5 If the maximum practical quantitation limit is exceeded for a non-detectable result, the Discharger shall <br /> provide an explanation in the report text. All concentrations between the Method Detection Limit and <br /> the Practical Quantitation Limit shall be reported as trace. <br /> 3. Monitoring wells with free product or a visible sheen (if applicable) shall be monitored at <br /> a minimum for product thickness and depth to water. <br /> REPORTING <br /> 4. When reporting data, the Discharger shall arrange the information in tabular form so <br /> that the date, the constituents, and the concentrations are readily discernible and shall <br /> summarize the data in such a manner as to illustrate clearly the compliance with this <br /> Order. <br /> 5. As required by the California Business and Professions Code sections 6735, 7835, <br /> and 7835.1, a registered professional or their subordinate shall prepare and sign all <br /> reports. <br /> 6. Quarterly electronic reports, which conform to the requirements of the California Code <br /> of Regulations, Title 23, Division 3, Chapter 30, shall be submitted electronically over <br /> the internet to the State Water Resources Control Board Geotracker database system <br />