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MONITORING AND REPORTING PROGRAM ORDER NO. R5-2008-0149-027 3 <br /> OXYCHEM STOCKTON, 1904 CHARTER WAY,SAN JOAQUIN COUNTY <br /> Footnotes to Table 2 <br /> ' Or an equivalent EPA Method that achieves the maximum Practical Quantitation Limit. <br /> All concentrations between the Method Detection Limit and the Practical Quantitation Limit shall be 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 Sample <br /> Groundwater Elevation Feet, Below Top of Casing Measurement <br /> Oxidation-Reduction Potential Millivolts Grab <br /> Electrical Conductivity microSiemens/cm Grab <br /> Dissolved Oxygen mglL Grab <br /> pH pH Units (to 0.1 units) Grab <br /> Field test instruments (such as those used to test pH and dissolved oxygen) may be used <br /> provided that: <br /> 1. The operator is trained in proper use and maintenance of the instruments; <br /> 2. The instruments are calibrated prior to each monitoring event; <br /> 3. Instruments are serviced and/or calibrated by the manufacturer at the recommended <br /> frequency; and <br /> 4. Calibration reports are submitted as described in item (b) of the "Reporting" section of <br /> this MRP. <br /> DISCHARGE MONITORING <br /> The Discharger shall monitor daily the discharge of water and amendments that are injected <br /> into the groundwater according to the requirements specified in Table 4. Each amendment <br /> addition shalt be recorded individually, along with information regarding the time period over <br /> which the amendment was injected into the aquifer. <br /> Table 4: Discharge Monitoring Requirements <br /> Parameters Units Type of Sample <br /> Injected Volume gallons per day Meter <br /> Amendment(s) Added kilograms per day Measured <br /> Biocide Added kilograms per day Measured <br />