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Twin Cities Iron and Metal Site

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Fencing at Site access point; access road excavated to original depth.<br />Date Taken: 4/1/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Silt fence along creek, Site condition following Removal Action<br />Date Taken: 4/1/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Removal Action complete with hydroseed.<br />Date Taken: 4/1/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Site following hydroseeding.<br />Date Taken: 3/27/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Site following hydroseeding.<br />Date Taken: 3/27/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Hydroseeding the Site.<br />Date Taken: 3/27/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
ERRS hydroseed the Site.<br />Date Taken: 3/27/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Backfilled and graded Site following excavation.<br />Date Taken: 3/8/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
ERRS place geotech liner and stone adjacent to the creek bank.<br />Date Taken: 3/8/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
ERRS decon equipment.<br />Date Taken: 3/8/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
TechLaw collects sediment samples from the creek<br />Date Taken: 3/10/2010<br />Category: Sampling Event<br />Latitude: <br />Longitude: <br />Tags:
ERRS load trucks from Stockpile #2 for T&D.<br />Date Taken: 2/12/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Trucks line up for T&D<br />Date Taken: 2/11/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
ERRS load-out trucks with lead-contaminated hazardous soil for T&D.<br />Date Taken: 2/4/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
ERRS station a flag-man at the entrance to the Site during T&D operations.<br />Date Taken: 2/3/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
ERRS load truck with lead-contaminated hazardous soil for T&D.<br />Date Taken: 2/3/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Trucks line up on Site pending load-out for T&D.<br />Date Taken: 2/3/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Excavation progress at Site, end of January 2010.<br />Date Taken: 1/29/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Stockpile #2 on Site: Hazardous Soil: TCLP Lead 48.9 mg/L<br />Date Taken: 1/29/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:
Stockpile #1: Hazardous Soil: TCLP Lead 107 mg/L<br />Date Taken: 1/29/2010<br />Category: Removal Activities<br />Latitude: <br />Longitude: <br />Tags:

Fencing at Site access point; access road excavated to original depth. Silt fence along creek, Site condition following Removal Action Removal Action complete with hydroseed. Site following hydroseeding. Site following hydroseeding. Hydroseeding the Site. ERRS hydroseed the Site. Backfilled and graded Site following excavation. ERRS place geotech liner and stone adjacent to the creek bank. ERRS decon equipment. TechLaw collects sediment samples from the creek ERRS load trucks from Stockpile #2 for T&D. Trucks line up for T&D ERRS load-out trucks with lead-contaminated hazardous soil for T&D. ERRS station a flag-man at the entrance to the Site during T&D operations. ERRS load truck with lead-contaminated hazardous soil for T&D. Trucks line up on Site pending load-out for T&D. Excavation progress at Site, end of January 2010. Stockpile #2 on Site: Hazardous Soil: TCLP Lead 48.9 mg/L Stockpile #1: Hazardous Soil: TCLP Lead 107 mg/L Stockpiled fill material to be used for Site remediation. ERRS stockpile non-contaminated fill material that exists on the Site to use for construction of the cap and remediation of the Site. An articulate dump is utilized to relocate the contaminated soil to the stockpile for T&D. Excavation area at the end of January, 2010. Battery casings buried at the site; lead concentrations approximately 65,023 ppm. Excavation activities along a wall of battery casings and lead @57,895 ppm. Soil sample locations screened for lead by START utilizing the XRF. Soil sample locations screened for lead by START utilizing the XRF. ERRS mix lime with the fill dirt to use as a soil cap on the Site. Excavation activities on the Site. Excavated areas along the western area of the Site Stockpiled soils and rocks staged for T&D ERRS collect a composite soil sample from stockpile 2 for TCLP anaylsis New staging area for additional excavated soils. End of excavation at the western edge of the site; lead in the side wall below 1,000 ppm (213 and 935 ppm). Concentration of lead in the floor at 54 ppm. Excavated area at the western end of the site. Excavation occurring at the western end of the site; lead concentrations in soil up to 21,264 ppm. Hillside of Beaver Creek ERRS excavate lead-contaminated soil ERRS construct a road along the site perimeter to access contaminated soil ERRS collect a composite sample for T&D of the lead-contaminated soil One of the three air monitoring stations for particulates ERRS constructed a stone pad for loading contaminated soils that were excavated from the hillside Battery casings along the hillside adjacent to Beaver Creek; sample collection revealed concentrations of lead up to 56,200 ppm. START collects water samples from the creek following a heavy rain for PCB congeners analysis ERRS secure the stockpile of lead-contaminated soil with poly liner and sand bags ERRS installed silt fence and placed hay bales at the base of the hillside vegetation removed from site is sent through a chipper silt fence installation along Beaver Creek vegetative removal to allow access for excavation of contaminated soils installation of silt and hi-vis fencing hillside cleared of vegetation and debris to allow sampling and excavation access road built on the western portion of the site, where the lead levels exceed 19,000 mg/kg ERRS clear an access road on the eastern portion of the Site ERRS utilize an excavator for large vegetative removal View of the Site from the command trailer area; stone for access road ERRS place stone along the command trailers and the access road to the Site view of the Site to the west, along Beaver Creek ERRS carefully clear the areas around the sewers on Site ERRS utilize a Location of 10% lead (documented with the XRF instrument) along the drainage pathway Establishment of the Command Post ERRS install silt fence along Beaver Creek collection of water samples from Site collection of sediment from Site (Beaver Creek) collection of soil samples from Site transformer parts found on Site Battery casing type found on Site Battery casings scattered on the bank of Beaver Creek Wire and other scrap is present amidst the battery casings Battery casings approximately 20 feet high and 400 feet long on the bank of Beaver Creek