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• MONITORING AND REPORTING PfWAM NO. R5-2009-0857 • 3 - <br />JOHN TAYLOR FERTILIZERS CO.. INC., WILBUR-ELLIS COMPANY <br />STOCKTON FACILITY SAN JOAQUIN COUNTY <br />1. Conduct monitoring and reporting in compliance with the following specifications. <br />2. (a) As shown on Figure 1, there are seven (7) existing shallow groundwater <br />monitoring wells (MW -1, MW -2, MW -3, MW -4, MW -5, MW -6 and MW -7). <br />Additional deep groundwater monitoring well(s) are been considered to be <br />installed. The groundwater monitoring program for the seven shallow monitoring <br />wells and any shallow wells installed for routine groundwater monitoring <br />subsequent to the issuance of this MRP, shall be sampled semi-annually as <br />shown in Table 1. All wells shall be monitored semi-annually for Depth to <br />Groundwater. Wells that must be sampled semi-annually shall be sampled <br />during the first and third quarters. <br />Table 1. <br />Groundwater Monitoring Schedule for Groundwater Monitoring Wells <br />Constituents <br />EPA Analytical <br />Method <br />Maximum <br />Practical <br />uantitation Limi <br />Monitoring Wells <br />Depth to Groundwater <br />--- <br />0.01 foot <br />All <br />Total Oxidizable Nitrogen <br />353.2 <br />1.0 mg/I <br />All <br />olatile Organic Compounds <br />8260B <br />0.5 µg/12 <br />All <br />1,2,3-trichloropropane <br />SRL 524M -TCP <br />0.005 pg/I <br />All <br />'Chloride <br />300.0 <br />1 mg/L <br />All <br />Bromaci1 <br />632 <br />1 µg/I <br />All <br />For nondetectable results. All concentrations betWeen the Method Detection Limit and the <br />Practical Quantitation Limit shall be reported as trace. <br />Detection limits for bromomethane, dichlorodifluoromethane, Freon 113 and MTBE are 1 pg/I <br />(b) In addition, any deep monitoring wells (approximately 50 feet bgs) installed <br />subsequent to the issuance of this MRP, shall also be sampled semi-annually for <br />at least two consecutive sampling events for constituents shown in Table 2. If all <br />constituents in an analytical suite are not detected in two consecutive semi- <br />annual events in the deep monitoring well(s), that analytical suite may be <br />removed from the monitoring schedule for that well, and shall then follow the <br />schedule as shown in Table 1 subject to Central Valley \/Vater Board staff's <br />concurrence. Sample collection and analysis shall follow standard EPA protocol. <br />rlu <br />C:7 <br />D <br />is <br />