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1V <br />1-1 <br />1.1 PURPOSE <br />11 <br />This work plan presents the procedures for the installation of groundwater <br />monitoring wells at Foothill Sanitary Landfill (FHSL). <br />1.2 SITE DESCRIPTION <br />FHSL is located in eastern San Joaquin County at 6484 N. Waverly <br />Road, four miles east of Linden, CA. The landfill is a single Class III <br />Waste Management Unit on an 800 -acre parcel. This Unit is comprised <br />of Module "I", Module 1, and future modules.- Future modules will <br />overlap onto other completed modules, including Module "I" until final <br />closure of the landfill. Waste discharged to the landfill includes <br />commercial and household waste, construction/ demolition waste, and <br />agricultural waste. <br />1.3 REASON FOR INSTALLING GW MONITORING WELL <br />The Regional Water Quality Control Board (RWQCB) has required the <br />installation of the new groundwater monitoring wells. The current <br />background well MW -4 is dry. The new well (MW -4A) is a replacement <br />background well. Well MW -7 is another point of compliance monitoring <br />well. <br />One new ground water monitoring well MW -4A will be installed at the <br />north side of FHSL and one (MW -7) south east of the landfill (Figure 1). <br />The location of the new GW wells are away from the refuse footprint. Well <br />installation work will not include drilling into refuse or contact with refuse. <br />Well locations will be adjusted in the field based on site conditions. The <br />wells will be surveyed after installation. The well depths are specified in <br />Figure 2. <br />• ► 01 :4 01111 <br />Solid Waste Division (SWD) will schedule installation of the GW monitoring <br />wells after approval of drilling permit from San Joaquin County <br />Environmental Health Department (EHD). Drilling and installation of GW <br />wells will each take minimum of four (4) working days. The work hours will <br />be Monday to Friday from 7:00 am to 4.30 pm. <br />Work Plan- FH -Groundwater Monitoring Well Installation San Joaquin County <br />8/14/2018 Department Of Public Works <br />1 Solid Waste Division <br />