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M <br />I. <br />C <br />Listof Figures................................................................................................................................................ iii <br />1.0 Background.....................................................................................................................................1-1 <br />1.1 Introduction...........................................................................................................................1-1 <br />1.2 Site Description....................................................................................................................1-1 <br />1.3 Compliance History ..............................................................................................................1-1 <br />1.4 Site Geology.........................................................................................................................1-2 <br />1.5 Groundwater Occurrence.....................................................................................................1-2 <br />1.6 Groundwater, Surface Water, and Vadose Zone Monitoring Systems.................................1-3 <br />1.6.1 Groundwater............................................................................................................1-3 <br />1.6.2 Surface Water.........................................................................................................1-3 <br />1.6.3 Vadose Zone Soil Gas.............................................................................................1-3 <br />2.0 Evaluation Monitoring Program Work Plan..................................................................................... <br />2-1 <br />2.1 Task 1 — Prefield Services....................................................................................................2-2 <br />2.2 Task 2 — Field Work.............................................................................................................. <br />2-2 <br />2.2.1 Exploratory Soil Boring (HydroPunch or Equivalent) ............................................... <br />2-3 <br />2.2.2 Permanent Groundwater Monitoring Well Installation .............................................. <br />2-3 <br />2.2.3 Well Development................................................................................................... <br />2-4 <br />2.2.4 Groundwater Sampling from Permanent Wells ....................................................... <br />2-5 <br />2.2.5 Groundwater Sampling from Temporary Wells ........................................................ <br />2-5 <br />2.2.6 Vadose Zone Soil Gas Sampling.............................................................................2-5 <br />2.3 Task 3 — Evaluation Monitoring Report................................................................................. <br />2-6 <br />3.0 Proposed Schedule.........................................................................................................................3-1 <br />4.0 References.....................................................................................................................................4-1 <br />Figures <br />Figure 1 Vicinity map <br />Figure 2 Well Location Map <br />Figure 3 Off-site Boring Location Map <br />Figure 4 Typical Well Construction Diagram <br />Appendix A Monitoring Well Installation, HydroPunch Sampling and Soil Gas Specification <br />Corral Hollow EMP WPlan Rev2Mar 22-07.DOC III <br />March 20, 2007 <br />