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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />f <br />The Floyd & Snider Team <br />The City of Everett <br />Everett Landfill/Tire Fire Site <br />Table 3, below, lists existing and preliminary proposed new wells, and describes whether <br />existing wells are scheduled for immediate abandonment (Abandonment), abandonment after <br />Evaluation Monitoring (Interior), or anticipated to be included in the Performance and <br />Confirmational Monitoring well network (Network). Shallow aquifer monitoring wells are <br />italicized. <br />Table 3 <br />Groundwater Monitoring Well Network <br />Well Number <br />Description' <br />Well Number <br />Description' <br />Well Number <br />Description' <br />MW--52 <br />Interior <br />MW-22 <br />Network <br />MW-32 <br />Interior <br />MW-7 <br />Abandonment <br />MW-23 <br />Interior <br />MW-33 <br />New (BG) <br />NNV-8 <br />Interior <br />MW-24 <br />Network <br />MW-34 <br />New (BG) <br />WV-11 R <br />Network <br />MW-25 <br />Network <br />WV-35 <br />New (BG) <br />MW-12 <br />Abandonment <br />MW-26 <br />Network <br />MW-36 <br />New (BG) <br />MW-13 <br />Abandonment <br />MW-27 <br />Network <br />WV-37 <br />New (POC) <br />MW-14 <br />Interior <br />MW-28 <br />Network <br />NMI-38 <br />New (POC) <br />WV-16 <br />Abandonment <br />MW-29 <br />Network <br />MW-39 <br />New (POC) <br />MW-17 <br />Interior <br />NMI-30 <br />Network <br />MW-40 <br />New (POC) <br />MW-21 <br />Network <br />MW-31 <br />Network <br />' Descriptions: Abandonment = immediate abandonment <br />Interior = well located in interior of site; will be abandoned after Evaluation Monitoring <br />Network = existing well anticipated to remain a part of the Performance and <br />Confirmational Monitoring groundwater monitoring well network <br />New (BG) = new well located for background measurements; only the deep wells are <br />anticipated to remain a part of the Performance and Confirmational Monitoring <br />groundwater monitoring well network <br />New (POC) = new well located for deep aquifer point of compliance monitoring; <br />anticipated to remain a part of the Performance and Confirmational Monitoring <br />groundwater monitoring well network. Additional deep aquifer POC wells may be <br />installed in accordance with criteria described in the BFS. <br />2 Italics Shallow wells <br />4.4.1.2 Water Level Monitoring <br />Groundwater elevations will be measured at all wells in the Evaluation Monitoring well network, <br />in the leachate collection trench, the East Ditch, and the Snohomish River during each <br />monitoring event to determine changes in seasonal or long-term water elevations and <br />groundwater flow directions. The hydraulic connections between the shallow aquifer (leachate <br />zone) and deep aquifer, and between the deep aquifer and the Snohomish River, will be <br />assessed to support evaluation of contaminant migration rates and direction along the <br />groundwater pathway. <br />F:\projects\C0Ev-BR Everett LandfilhPDF maker - final <br />doWCompliance Monitoring Plan1CMCP 11-10-OO.doc <br />FINAL - March 2001 <br />Compliance Monitoring and Contingency Plan <br />Page 4-5 <br />