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Pacific Southwest, Region 9: Superfund

Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations

McColl

Superfund Site

PART 1

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Click on the Thumbnails for a full view of the photographs.
Click to View Proximity of residences: demonstrates limited access, installation of temporary fencing, and protection of private property (10-18-96). (576K)
Click to View Slurry trenching around Los Coyotes area (10-28-96). (618K)
Click to View Reinforced earth structure construction in southeast portion of Los Coyotes (11-06-96). (744K)
Click to View Slurry wall construction along Upper Ramparts area (11-06-96). (441K)
Click to View Drilling of soldier pilings in Lower Ramparts by residential homes (11-06-96). (675K)
Click to View Soil/bentonite backfill placement at Los Coyotes trench area (12-11-96). (428K)
Click to View Soldier pile wall construction at Lower Ramparts (11-26-96). (725K)
Click to View Slurry Wall trench running east/west in Los Coyotes area (11-26-96). (608K)
Click to View Placement of first El Toro sand layer at Los Coyotes sump area, facing southeast (11-27-96). (400K)
Click to View Slurry lead-in trench work at Lower Ramparts area. (01-10-97). (684K)
Click to View Slurry Wall construction near residential properties (01-27-97). (673K)
Click to View Placement of second sand layer over second geogrid layer at Los Coyotes area (02-20-97). (612K)
Click to View Installation of perforated gas collection piping at Los Coyotes area (03-07-97). (679K)
Click to View Heat welding of high density polyethylene (HDPE) liner at Los Coyotes area (03-10-97). (444K)
Click to View Example of fusion weld patch on HDPE at Los Coyotes area (03-21-97). (675K)

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