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WORK PLAN <br /> FOR GROUND WATER WELL INSTALLATION AND MONITORING <br /> PORT OF STOCKTON-ROUGH AND READY ISLAND,CALIFORNIA <br /> Second, an estimate of the attenuation capacity of the foundation soil is required, which <br /> was determined by using the lowest value from the SSURGO database (ERS, 2013). <br /> The Request for Amendment to NOA—Docks 8 through 11 Maintenance Dredging Port <br /> of Stockton East Complex, Stockton, CA presented evidence that the attenuation <br /> capacity of the foundation soil was high enough to safely accommodate placement of <br /> dredge spoils from the maintenance dredging of Docks 8 through 11 (ERS, 2013). <br /> This calculation was performed using a conservative CEC value obtained from the <br /> SSURGO database. The soil sampling planned at this site will seek to characterize the <br /> concentrations of chemical constituents in the foundation soil, allowing for a more <br /> accurate determination of the soil's CEC. Soil samples will be collected at the time of <br /> monitoring well installation. <br /> 3. MONITOR WELL INSTALLATION <br /> The following details the specific tasks to install and sample monitor wells at MO-1. <br /> Implementation of this Work Plan will commence following approval by the Regional <br /> Board, when access to MO-1 is feasible and safe by the required personnel and <br /> associated equipment, and when property owners provide access to the area. All <br /> reasonable attempts will be made to implement the Work Plan as soon as possible. <br /> All work will be performed under the supervision of a California Registered Geologist, <br /> or California Professional Engineer. All laboratory analyses will be performed by a <br /> California certified laboratory. All drilling and well installation will be performed in <br /> accordance with the California Department of Water Resources Well Standards Bulletin <br /> 74-81 and supplemental update 74-90. The work proposed herein incorporates by <br /> reference the standard operation procedures, protocols, and forms submitted <br /> previously in the Groundwater Sampling and Analysis Plan (Geomatrix, 2003). <br /> 3.1 TASK 1: PERMITTING,UTILITY CLEARANCE,AND HEALTH AND <br /> SAFETY PLAN <br /> As described below, drilling activities are planned at MO-1. Therefore, appropriate <br /> permits for these activities will be acquired from San Joaquin County and the City of <br /> Stockton. Underground Services Alert (USA) will be notified to clear the proposed <br /> drilling locations for underground utilities. The proposed drilling locations are <br /> contingent upon access limitations (e.g. site features, utilities) and final locations may be <br /> moved to the closest accessible location. <br /> September 2014 7 Environmental Risk Services i r✓ <br /> Corporation �•r ✓ <br />