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Date
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Apartment garages
Site Photo
Private removal sub-contractors using a mercury vacuum to suction elemental mercury from asphalt. Extent started at garage entry and with downgrade slope, ended near a storm drain.
Site Photo
8/13/2016
START assessed the extent of mercury contamination and established an exclusion zone using readings from a mercury vapor analyzer.
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8/13/2016
START assessing garage cement floor for mercury vapor concentrations. Concrete slab joints as well as seams between concrete and particle board wall revealed higher mercury vapor concentrations.
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8/13/2016
Private removal contractors removed sections of baseboard walls to vacuum trapped mercury beads. START identified areas of remaining high mercury vapor concentrations.
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8/15/2016
START screening asphalt after elemental mercury removal to locate any remaining contaminated areas.
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8/14/2016
One of two eight ounce jars generated from mercury vacuum use on garage parking lot. Collected contents include elemental mercury and contaminated debris.
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8/13/2016
Mercury vapor analysis localized remaining contamination to the asphalt to concrete joint bordering the garage. Private removal contractors used a metal scrape and mercury vacuum to remove debris and the area was re-screened.
Site Photo
8/15/2016
Several ounces of elemental mercury were spilled in a residential garage parking lot.
Site Photo
8/13/2016
Private removal contractors extracted all sediment from the storm drain nearest to the spill location.Post sediment removal screening levels were below recommended ATSDR clean-up levels.
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8/15/2016
NRCES removes trash from a garbage bin, while a START contractor screens each bag with a mercury vapor analyzer.
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8/18/2016
NRCES uses a mercury vacuum to suction dust generated from an asphalt scoring saw while a START contractor monitors emissions from the mercury vacuum and monitors ambient mercury vapor levels
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8/19/2016
A section of asphalt in front of garage #611 that has been scored and partly removed.
Site Photo
8/16/2016