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Eden NC Coal Ash Spill

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Ash release schematic<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.4958644<br />Longitude: -79.7220632<br />Tags:
Coal fly ash release at the storm sewer outfall into the Dan River.<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.4883333333333<br />Longitude: -79.7141333333333<br />Tags:
The partially collapsed dike wall.<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.4958644<br />Longitude: -79.7220632<br />Tags:
Ash pond collapse area.<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.4958644<br />Longitude: -79.7220632<br />Tags:
Ash pond collapse area<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.4958644<br />Longitude: -79.7220632<br />Tags:
Ash pond collapse area.<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.4958644<br />Longitude: -79.7220632<br />Tags:
Building a new dike wall directly adjacent to the undercut/eroded section.<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.4901722222222<br />Longitude: -79.7172555555556<br />Tags:
Building an access path into the ash pit to access the damaged storm sewer line. These pieces of equipment are building a safe staging area for a long-reach excavator to access the damaged line.<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.4901722222222<br />Longitude: -79.7172555555556<br />Tags:
Stormwater temporary plug. Photo via Flickr - Duke Energy<br />Date Taken: <br />Category: Site Photo<br />Latitude: 36.48833333<br />Longitude: -79.71413333<br />Tags:
Dan River Station. Photo via Flickr - Duke Energy<br />Date Taken: <br />Category: Site Photo<br />Latitude: 36.489882<br />Longitude: -79.716798<br />Tags:
Equipment in ash basin. Photo via Flickr - Duke Energy<br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: 36.48977<br />Longitude: -79.716754<br />Tags:
Stormwater Outfall <br />Date Taken: 2/4/2014<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
US Fish and Wildlife and Duke Energy Crews preparing to sample<br />Date Taken: 2/5/2014<br />Category: Site Photo<br />Latitude: 36.5532505127449<br />Longitude: -79.5019933147461<br />Tags:
Sample showing ash deposition on the sediment.<br />Date Taken: 2/5/2014<br />Category: Site Photo<br />Latitude: 36.5744836122131<br />Longitude: -79.4886037273437<br />Tags:
Photo of the outflow to the Dan River showing very limited to now flow into the Dan River<br />Date Taken: 2/5/2014<br />Category: Site Photo<br />Latitude: 36.488258<br />Longitude: -79.714157<br />Tags:
Dewatering operations.<br />Date Taken: 2/5/2014<br />Category: Site Photo<br />Latitude: 36.4888805555556<br />Longitude: -79.71735<br />Tags:
Dewatering operations<br />Date Taken: 2/5/2014<br />Category: Site Photo<br />Latitude: 36.4888805555556<br />Longitude: -79.71735<br />Tags:
Dan river bank with residual coal ash evident from Berry Hill Bridge rd <br />Date Taken: 2/6/2014<br />Category: Site Photo<br />Latitude: 36.541951<br />Longitude: -79.604943<br />Tags:
Dan river bank with residual dark grey coal ash at Berry Hill Bridge Rd crossing <br />Date Taken: 2/6/2014<br />Category: Site Photo<br />Latitude: 36.541951<br />Longitude: -79.604943<br />Tags:
coal tar residual along shore with clean sand below exposed at Berry Hill Bridge Rd <br />Date Taken: 2/6/2014<br />Category: Site Photo<br />Latitude: 36.541951<br />Longitude: -79.604943<br />Tags:

Ash release schematic Coal fly ash release at the storm sewer outfall into the Dan River. The partially collapsed dike wall. Ash pond collapse area. Ash pond collapse area Ash pond collapse area. Building a new dike wall directly adjacent to the undercut/eroded section. Building an access path into the ash pit to access the damaged storm sewer line. These pieces of equipment are building a safe staging area for a long-reach excavator to access the damaged line. Stormwater temporary plug. Photo via Flickr - Duke Energy Dan River Station. Photo via Flickr - Duke Energy Equipment in ash basin. Photo via Flickr - Duke Energy Stormwater Outfall US Fish and Wildlife and Duke Energy Crews preparing to sample Sample showing ash deposition on the sediment. Photo of the outflow to the Dan River showing very limited to now flow into the Dan River Dewatering operations. Dewatering operations Dan river bank with residual coal ash evident from Berry Hill Bridge rd Dan river bank with residual dark grey coal ash at Berry Hill Bridge Rd crossing coal tar residual along shore with clean sand below exposed at Berry Hill Bridge Rd Residual coal ash layer on shoreline near Rt 700 bridge crossing Exposing clean sand in the surficial coal ash layer near Rt 700 bridge Fallen tree branches on Dan river shoreline with residual coal ash Containment/pumping system to collect water moving down the damaged storm drain stopping all flow into the Dan River Containment/pumping system to collect water moving down the damaged storm drain stopping all flow into the Dan River Two de-watering sumps that keep the head pressure of the eartern plug and prevent ash and ash water from enter the storm drain line. Fortified containment and collection system at the outfall on the Dan River. Concrete Pumping Operations at the Storm Drain Outfall. The Concrete Slurry that was pumped into the storm drain outfall. The plugged storm drain outfall. A drain pipe was installed through the concrete plug to facilitate to filling the entire line storm drain line with concrete. Residual coal ash deposited on the left descending bank of the Dan river just downstream of the spill location. Coal ash removed from a hand core just downstream of the spill location on the bank of the Dan river Scaffolding constructed over the mouth of the outfall pipe Boom deployed down gradient of outfall pipe EPA Federal On-Scene Coordinators walk along the bottom of the ash impoundment area towards the decommissioned Dan River Steam Station Duke Energy responders work to identify the location of the concrete pipe below the coal ash impoundment EPA responders oversee Duke Energy officials working in the coal ash impoundment and bringing the 300 foot crane on-line to set the coffer boxes. Panoramic view of the top of the coal ash impoundment with the Dan River Steam Station in the foreground Federal On-Scene Coordinator Matt Huyser communicates planning issues from the safety zone overlooking the coal ash impoundment. The decommissioned Dan River Steam Station, Eden, NC The coal ash impoundment with the Dan River Steam Station and the new Combined Cycle Plant in the foreground. Image also depicts the outlet from the primary to secondary ash pond. EPA Regions 3 and 4 FOSCs, SESD and TTEMI meet to discuss sampling objectives and staff resource needs to help accomplish the mission. Spill site-Storm drain discharge point to Dan River plugged with grout surrounded by staging for safe access by workers USEPA Federal On-Scene Coordinator Carter Williamson surveying the spill site/storm drain from the Dan River after plugging with grout. Emergency Response Team (ERT) member Alan Humphreys scans the Dan River shoreline and riprap areas for evidence of coal ash. ERT and ERRB responders investigate the coal ash wash area immediately down-gradient of the outfall pipe on the Dan River Coal ash deposits on a sand bar approximately 3/4 mile from the outfall pipe Alan Humphrey, ERT, displays a 16 inch core of fly ash collected just downstream of the spill site on the bank of the Dan river Installation of the trench box. Installation of coffer box in coal ash impoundment Coal ash impoundment after installation of the coffer box on February 9, 2014 EPA Regions 3 and 4, ERT, USFWS, and VADEQ meet at the outfall area to discuss operational objectives and to plan for the removal of coal ash material. Site schematic 300 foot crane utilized for coffer box installation to access the storm water management pipe underneath the fly ash impoundment. Vacuum trucks deployed to the edge of Dan River to assist in the recovery of coal ash at the pipe outfall Shamrock responders tie off skirt boom as a secondary protective barrier for ash retrieval as boat operators deploy around the lower end of the boomed area. Shamrock responders tether themselves to the scaffolding structure as they prepare to remove coal ash residue from the river bank Boat operators, exposed to 9 degree weather as they ready themselves for coal ash removal along the outfall area on the Dan River Responders check the condition of the newly drilled vent at the bottom of the outfall pipe to help relieve internal pressure on the pipe to prepare it for concrete/grouting. VADEQ inspects the booming operation and progress of the coal ash removal at the outfall area on the Dan River Vacuum trucks, light stands and equipment deployed to the edge of the Dan River to aid in the coal ash recovery operation Trench box installation to access the damaged storm line. Vacuum pump operations at the river. Map showing sample locations for EPA, as well as other entities, through February 18, 2014. Map showing surface water sample locations along Dan River through 2/20/2014 Grouting operations at downgradient end of 48-inch pipe Grouting operations at downgradient end of 48-inch pipe Duke has brought in a dive contractor to aid in the ash recovery efforts. Duke has brought in a dive contractor to aid in the ash recovery efforts. Coal Ash Recovery operations outside 48