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• <br /> MONITORING AND REPORTING PROGRAM ORDER N0. R5-2009-0149-005 -2- <br /> CONTINENTAL GRAIN COMPANY <br /> SAN JOAQUIN COUNTY <br /> Table 1: Sampling Frequency and Constituent Suites <br /> Well Number' Frequency 2 Constituent Monitoring Suite(s)3 Objective <br /> MW-5B, MW-7B Quarterly A Compliance <br /> MW-56, MW-7B Semi-Annually B Compliance <br /> MW-36, MW-9B, MW-108 Quarterly A and B Treatment Zones <br /> MW-46, MW-13B, EW-11B, Quarterly A and B Transition Zone <br /> 6 <br /> EW-12B <br /> MW-1B, MW-2B Semi-Annually Aand B Background? <br /> ' Well numbers as shown on Figure 1. <br /> 2 Semi-Annually in the 1s'and Yd quarters (January-March, July-September) <br /> 3 Constituent suite components listed in Table 2. <br /> 4 Wells used to determine compliance with water groundwater limitations. <br /> 5 Wells sampled to evaluate in-situ bioremediation progress inside the treatment zone. <br /> 6 Wells sampled to evaluate migration of pollutants within the treatment zone. <br /> Wells used to develop background concentrations. <br /> Table 2: Analytical Methods <br /> Constituent Method' Maximum Practical 2 <br /> Quantitation Limit u /L <br /> Suite A <br /> Volatile Organic Compounds EPA 8020 or 8260B 0.5 <br /> Suite B <br /> Iron, dissolved EPA 200.7 200 <br /> Carbon, dissolved organic EPA 415 300 <br /> Oran equivalent EPA Method that achieves the maximum Practical Quantitation Limit. <br /> 2 All concentrations between the Method Detection Limit and the Practical Quantitation Limit shall be <br /> reported as an estimated value. <br /> FIELD SAMPLING <br /> In addition to the above sampling and analysis, field sampling and analysis shall be conducted <br /> each time a monitor well or extraction well is sampled. The sampling and analysis of field <br /> parameters shall be as specified in Table 3. <br /> Table 3: Field Sampling Requirements <br /> Parameters Units Type of <br /> Sample <br /> Groundwater Elevation Feet, Mean Sea Level Measurement <br /> Oxidation-Reduction Potential Millivolts Grab <br /> Electrical Conductivity uhmos/cm Grab <br /> Dissolved Oxygen mg/L Grab <br /> pH pH Units (to 0.1 units) Grab <br />