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MONITORING AND REPORTING PROGRAM ORDER NO. R5-2008-0149-029 2 <br /> UNIFIRST STOCKTON <br /> SAN JOAQUIN COUNTY <br /> Footnotes to Table 1 <br /> ' Well numbers as shown on Figure 1. <br /> 2 Constituent suite components are listed in Table 2. <br /> 3 Semi-annually in the 1st quarter(Jan-March)and 3'd quarter(July-September). <br /> 4 Wells sampled to evaluate in-situ bioremediation progress within the transition zone. <br /> 5 Wells used to determine compliance with groundwater limitations. <br /> 6 Wells used to develop background concentrations. <br /> Table 2: Analytical Methods <br /> Maximum Practical <br /> Constituent Method' Quantitation Limit <br /> (pg/L2 <br /> Suite A <br /> Total Dissolved Solids EPA 160.1 10,000 <br /> Dissolved Iron EPA 6010B 50 <br /> Dissolved Manganese EPA 6010B 5 <br /> Sulfate EPA 300 1,000 <br /> Nitrate/Nitrite (as nitrogen) EPA 300 500 <br /> Ammonium (as nitrogen) EPA 350.1 500 <br /> Dissolved Organic Carbon SM5310B 500 <br /> Total Organic Carbon SM5310B 500 <br /> Alkalinity SM2320B 2,000 <br /> Metabolic Acids (volatile fatty acids) Standard Operating 1,000 <br /> Procedure <br /> Suite B <br /> Volatile Organic Compounds EPA 8260B 1 <br /> (Including PCE and TCE) <br /> ' Or an equivalent method that achieves the maximum Practical Quantitation Limit <br /> 2 All concentrations between the Method Detection Limit and the Practical Quantitation Limit shall be reported <br /> as an estimated value. <br /> FIELD SAMPLING <br /> In addition to the above sampling and analysis, field parameter sampling and analysis shall <br /> be conducted each time a monitoring well or extraction well is sampled. The sampling and <br /> analysis of field parameters shall be as specified in Table 3. <br /> Table 3: Field Sampling Requirements <br /> Parameters Units Type of Sample <br /> Groundwater Elevation Feet, Mean Sea Level Measurement <br /> Oxidation-Reduction Potential Millivolts Grab <br /> Electrical Conductivity phmos/cm Grab <br /> Dissolved Oxygen mg/L Grab <br /> pH pH Units (to 0.1 units) Grab <br />