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MONITORING AND REPORTING>✓UGRAM NO.115-2002-0821 `8/ 2 <br /> DIAMOND WALNUT GROWERS INC. <br /> dba DIAMOND OF CALIFORNIA <br /> 1050 SOUTH DIAMOND STREET,STOCKTON <br /> SAN JOAQUIN COUNTY <br /> Table 1. Well Network Description <br /> Sampling Locations Well Type Approximate <br /> Depth of Well <br /> MW-1 MW-2 and MW-3 Shallow Between <br /> Monitoring Well 55 and 65 feet b s' <br /> FW Facility Well unknown <br /> WP-1, WP-2, WP-3 and WP-4 City Supply Well unknown <br /> Below ground surface. <br /> Table 2. Sampling Frequency <br /> Sampling Locations Sampling <br /> Frequency <br /> All Monitoring Wells Quarterly <br /> Facility Well Quarterly <br /> City Supply Well,WP-1 Annually <br /> City Supply Wells WP-2, 3 and 4 do not require sampling at this time. <br /> Table 3. Sample Analyses <br /> EPA Analytical Max.Detection <br /> Constituent Method Limit <br /> Depth to Groundwater --- 0.01 foot <br /> Total Chromium 200.8 0.5 <br /> Hexavalent Chrom'um 7199 1.0 <br /> H 150.1 0.1 units <br /> Electrical Conductivity 2510 1.0 umho/cm <br /> Dissolved Oxygen 360 <br /> Turbidity 2130B NTU <br /> Total Hardness 2340B 5.0 m <br /> Ammonium 350.1 0.5 mg/I <br /> Calcium 200.7 5.0 mg/l <br /> Chloride 300 2.5 mg/I <br /> Potassium 200.7 0.05 mg/1 <br /> Phos horous 365.3 0.5 mg/1 <br /> Sodium 200.7 0.1 mg/1 <br /> Sulfate 300 1.0 mg/I <br /> 3 For nondetectable results and independent of cleanup standards or goals. <br /> 4 Analyses for these constituents shall be conducted during the fust and third quarters for the fust year of sampling per this <br /> MRP. After that time,the Discharger must continue quarterly analyses for any compounds detected. <br />