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Upper Columbia River (UCR) Residential Soil Removal

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Hand excavation around tree roots at decision unit (DU) 201G.<br />Date Taken: 8/21/2015<br />Category: Site Photo<br />Latitude: 48.9686076535827<br />Longitude: -117.699973650609<br />Tags:
Excavation of contaminated soils at DU 201G.<br />Date Taken: 8/23/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Garden area following removal of the first 6" of soil at DU 201G.<br />Date Taken: 8/25/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
First 6" lift of soil removed, awaiting sampling and analysis at DU 201G.<br />Date Taken: 8/25/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Cultural Resource Monitor (CRM) with the Confederate Colville Tribes (CCT) screening for archaeological items during excavation at DU 151.<br />Date Taken: 8/31/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Top 6" lift excavated near the house at DU 151.<br />Date Taken: 7/28/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Observation by a Cultural Resource Monitor at DU 151. <br />Date Taken: 8/24/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
A black bear wandered onto one of the decision units. <br />Date Taken: 9/2/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Excavation at DU 49 exposed large cobbles and small boulders intermixed with lead- and arsenic-contaminated soil. <br />Date Taken: 9/2/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Excavation and dust control at DU 201G with CRM observation.<br />Date Taken: 8/22/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Excavation and dust control around trees at DU 201G.<br />Date Taken: 8/24/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Excavation and loading out contaminated soil at DU 201G.<br />Date Taken: 8/25/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
First 6 inch lift completed at DU 201G. Fruit trees identified and protected from the mechanical excavation.<br />Date Taken: 8/28/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Hand excavation at the DU 49 around a travel trailer. <br />Date Taken: 9/1/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Completed 6 inch lift excavation at DU 201G.<br />Date Taken: 8/25/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Excavation in DU 49. <br />Date Taken: 9/1/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Large cobbles and small boulders in DU 49. <br />Date Taken: 9/1/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Loading out contaminated soil at DU 49.<br />Date Taken: 9/3/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Soil sampling at DU 49.<br />Date Taken: 9/8/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Stockpiled soil in the laydown area prior to transportation to an off-site disposal facility. <br />Date Taken: 9/3/2015<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:

Hand excavation around tree roots at decision unit (DU) 201G. Excavation of contaminated soils at DU 201G. Garden area following removal of the first 6 First 6 Cultural Resource Monitor (CRM) with the Confederate Colville Tribes (CCT) screening for archaeological items during excavation at DU 151. Top 6 Observation by a Cultural Resource Monitor at DU 151. A black bear wandered onto one of the decision units. Excavation at DU 49 exposed large cobbles and small boulders intermixed with lead- and arsenic-contaminated soil. Excavation and dust control at DU 201G with CRM observation. Excavation and dust control around trees at DU 201G. Excavation and loading out contaminated soil at DU 201G. First 6 inch lift completed at DU 201G. Fruit trees identified and protected from the mechanical excavation. Hand excavation at the DU 49 around a travel trailer. Completed 6 inch lift excavation at DU 201G. Excavation in DU 49. Large cobbles and small boulders in DU 49. Loading out contaminated soil at DU 49. Soil sampling at DU 49. Stockpiled soil in the laydown area prior to transportation to an off-site disposal facility. Excavation at DU 203. Columbia River is in the background. Excavation in DU 203 around a tree. Pin flags identify buried utilities. Excavated area near DU 203 to 6 inches below ground surface. Straw wattles were installed prior to excavation for erosion control. Excavation at DU 151 to 6 inches below ground surface. Stockpile of excavated soil at DU 151. Excavation at DU 194 to 6 inches below ground surface with on-going dust suppression using a water hose. Excavation at property near DU 194 using a mini-excavator. Excavation at DU 194 to 6 inches below ground surface. Confirmation of excavation depth at DU 194. Soil sample collected at DU 194. In-situ XRF screening around a tree at DU 194. Installation of construction fencing to delineate work zones at DU 35 Excavation at DU 35 Excavation at DU 35 and 35PA Excavation at DU 35PA In-situ XRF screening at DU 35PA Excavation of additional lift of contaminated soil to 12 inches bgs at HUB In-situ XRF screening at DU 35 Excavation of horse pasture at DU 39 Excavated soil around house to 6 inches bgs at DU 35 Excavated area at DU 151 to 6 inches bgs Excavated area in DU 151 to 12 inches bgs Identification of buried utilities via hand digging at DU 319. Loading contaminated soil into a truck and pup combination at DU 151 for transport to the disposal facility Per direction from the homeowner, transferring a tree to a different part of the garden at DU 201G Per direction from the homeowner, these three trees will be transferred to a different part of the garden at DU 201G in order to remove the contaminated soil surrounding the tree roots Excavating a targeted area of contamination at DU 151 from 6 inches bgs to 12 inches bgs Three trees at DU 201G after they were transplanted to new locations in the garden Excavation at DU 319 to 6 inches bgs Excavation of DU 151. Compiling soil to haul off site. Dust monitor in place at DU 151 while excavation continues. Water truck on site to wet soil movement for dust control. Top soil delivery and placement in DU HUB. Final top soil leveling and compaction within DU HUB before fertilizer application and sod placement. Wetting the leveled and compacted top soil for additional compaction measures. Leveling soil around pavers. Hauling off soil into a double load dump truck off site from DU39. Trucks covered prior to site departure. A play area was lifted onto cement blocks in order to remove all soil to 6 Stockpile removal off site in DU 218. Water is being applied to soil movement. DU 218 6 Beginning 6” excavation at DU 40 completed 6” excavation at DU 40 Beginning clean topsoil backfill into DU 194 Completing clean topsoil backfill into DU 194 Placing sod at DU-HUB watering fresh sod at DU-HUB Completing crushed gravel backfill at DU 319M setting straw wattles at HIC-B to prevent erosion along ridge Topsoil placed at DU 35. Topsoil being backfilled at DU 35 with geotextile fabric placed around the base of trees. Topsoil placement at DU 35 with geotextile fabric arranged around the base of the trees. Sod placement at DEA-A. Sod placed at DEA-A; foreground is in a forested area and will be hyrdoseeded prior to demobilization. Sample collection at 6 inches below ground surface at HIC-B. Excavation at HIC-B to 6 inches below ground surface. HIC-B excavated to 6 inches below ground surface; note the particulate monitor on the tripod in the foreground and the Columbia River to the right. Dust suppression while performing hand excavation at DU 109. Excavated area at DU 109 to 6 inches below ground surface. Gravel placement at DU 319. Geotextile placed at DU 40 prior to backfill. Geotextile fabric placed around trees at DU 151 prior to backfill. Collecting GPS coordinates and in-situ XRF field screening from an over-excavated location at DU 151. Performing additional excavation to 12 inches below ground surface at DU 218. Topsoil placed around the roots at DU 218 after over-excavation to 12 inches below ground surface. Excavation at TA195-A to 6 inches below ground surface. Excavation at TA195-B to 6 inches below ground surface. Excavation at TA195-B to 6 inches below ground surface. Collecting in-situ XRF field data and GPS coordinates prior to soil sample collection at TA195-A. In-situ XRF field screening and GPS data collection at TA195-A. Compaction at DU 35. Placement of sod at DU 35. Sod at DU 35. Volleyball court at DU 35 with the play area in the background at DU 35PA. The finished backyard at DU 35. The sand in the foreground is part of the volleyball court. View of the house with finished sod at DU 35. Reconstruction of the driveway with backfill at DU 40. Applied hydro-seed at DU 7. DU 151 backfilled and ready for hydro-seed. Placing top soil on backfilled sand at TA-195. Restoration of backfill and gravel at DU 40. Geotextile fabric around the trees at DU 151 prior to backfill placement. Pallets of sod at KNI-AB. Sod placed at KNI-AB. Sod placed at KNI-C. Excavated area at DU HIC-A ready for backfill. Excavated area at DU HIC-B ready for backfill; note the Columbia River in the background. Excavated area at DU 7 ready for backfill. Excavated area at DU 7 ready for backfill. Excavation at DU LDA which included previously excavated soil from other properties and discarded BMPs. Excavation at DU LDA. Excavation at DU LDA. Gross decontamination of the excavator near LDA. Placement of topsoil backfill at DU 7. Placement of sand backfill at DU HIC-B. Placement of topsoil backfill at DU HIC-B. Placement of topsoil and construction of a gravel parking area for an RV at DU 7. Application of hydroseed at DU 7. DU HIC-A after hydroseed application. DU HIC-B after hydroseed application. DU 7 after hydroseed application. Excavation at DU 18. Excavation around the house at DU 18. Excavation of the southwest corner at DU 18. Sand backfill staged at DU TA195-A prior to placement in the excavated area. Staging sand for backfill in TA195-A. Placement and compaction of topsoil backfill at TA195-B. Placement of sand backfill at DU 39. Placement of topsoil at DU 39. The sand pit to the left of the small tree will be left in place as a bathing area for the two horses. Construction of gravel driveway/walkway at DU 35. Restoring the lay down area to the southwest of DU35/35PA. Compaction of reconstructed road at TA195-A. Raking topsoil at TA195-A. Raking topsoil at TA195-A. Topsoil being placed at DU 109. Topsoil placed at DU 109. Compaction of topsoil around the DU boundary at DU 109. Compaction of topsoil at DU 109. Placement of sand backfill in depression at northeast corner of DU 18. Placement of sand backfill at DU 18. Placement of topsoil backfill on top of sand base at DU 18. Placement of topsoil in the northern section of DU 18. Staging gravel backfill for construction of driveway at DU 18. Construction of gravel driveway at DU 18. Staging topsoil backfill at DU 18. Spreading topsoil backfill around gravel driveway at DU 18. Beginning to restore lay down area to the south of DU 18, including removal of the geotextile liner underneath the former topsoil stockpile. Topsoil placed at DU 18. Topsoil placed at DU 218. Topsoil placed at DU 218. Topsoil placed at DU 218. Restoration of gravel driveway at DUs 218 and ROY. Topsoil placed at DU ROY. Raking the gravel road near DU ROY. Preparing to shovel topsoil into the garden at KNI-D. Spreading topsoil at KNI-D. Hydro-seeding as completed. Hydro-seeding completed at TA-195-A. On-going hydro-seeding at Command Post Area. Hydro-seeding Command Post Area.