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2.1.10 - Element 10: Control Dewatering <br /> No dewatering is proposed for this project. <br /> Table 4—Dewatering BMPs <br /> Infiltration <br /> Transport off-site in a vehicle (vacuum truck for legal disposal) <br /> Ecology-approved on-site chemical treatment or other suitable treatment technologies <br /> Sanitary or combined sewer discharge with local sewer district approval (last resort) <br /> Use of sedimentation bag with discharge to ditch or swale (small volumes of localized <br /> , dewatering) <br /> List and describe BMPs: N/A <br /> Installation Schedules: N/A <br /> Inspection and Maintenance plan: N/A <br /> Responsible Staff: N/A <br /> Page I 18 <br />