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Waste Site Cleanup & Reuse in New England

Atlas Tack Corporation Superfund Site
Weekly Demolition/Cleanup Activities Update

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Projected Activities for the Week of September 5 -- September 9

  • Continue cleanup and segregation of Boiler Building Debris
  • Install temporary hydrant
  • Mobilize equipment for crushing clean brick
  • Continue removal of Boiler Building footings and frost walls

Activities Performed During the Week of August 29 -- September 2

  • Continue demolition of Boiler Building stack
  • Begin removal of footings and frost walls
  • Continue to segregate and stockpile debris
  • Demobilize 200 ton crane
  • Cut & Cap water lines

Air Monitoring Information

Charter Environmental continues to monitor the four sampling locations during the 8 -hour day for dust particulates.

The four perimeter sampling stations are set up in the following locations:

Station 1 -- Site fence gate on Pleasant Street
Station 2 -- Site fence on east end of Church Street
Station 3 -- Site fence on bike path at Tripp Street
Station 4 -- Site fence at bike path near Adams Street

The dust particulate and asbestos sampling results recorded at each station every hour in a monitoring log. These results are compared to the action levels established for each parameter. These action levels are concentrations at which it is deemed unsafe and work would have to stop.

Results of the air monitoring data has shown that exposure of unsafe conditions to workers in the exclusion zone and to the public is well below the actions levels.

Dust Particulate Monitoring -- The National Ambient Air Quality standard for particulates is 150 micrograms per cubic meter (µg/m3) over an average of 24 hours. This value will be used, however, for a one hour period. Heavy metal presence is factored into determination of this action level. The average levels recorded at these locations range from 0 to 0.044 (µg/m3), with most readings valued at zero. The maximum level for this week is also recorded and ranges from 0 to 1.090 (µg/m3).

Asbestos Monitoring - Asbestos monitoring has been discontinued. All asbestos abatement measures have been completed (no asbestos remains on-site), therefore monitoring is no longer required.

Actual Data - Below are tables showing the average and maximum dust particulate and asbestos readings taken at each sampling location during the week of August 25 - 31.

Note: Air monitoring for dust particulate was not conducted on August 29, 30, 31 due to continuous heavy rain events. Monitoring will resume next week.

Dust Particulate Results
Dust Particulate Sampling Location 1 - Pleasant Street Gate

Readings are recorded as micrograms per cubic meter (µg/m3)

Time Thursday,
8/25
Friday,
8/26
Monday,
8/29
Tuesday,
8/30
Wednesday,
8/31
Average 0.000 0.000 Rain Rain Rain
Maximum 0.110 0.186 0 0 0
 
Dust Particulate Sampling Location 2 - Site Fence at East End of Church Street

Readings are recorded as micrograms per cubic meter (µg/m3)

Time Thursday,
8/25
Friday,
8/26
Monday,
8/29
Tuesday,
8/30
Wednesday,
8/31
Average 0.016 0.003 Rain Rain Rain
Maximum 0.388 0.444 0 0 0
 
Dust Particulate Sampling Location 3 - Site Fence at Bike Path/Tripp Street

Readings are recorded as micrograms per cubic meter (µg/m3)

Time Thursday,
8/25
Friday,
8/26
Monday,
8/29
Tuesday,
8/30
Wednesday,
8/31
Average 0.044 0.001 Rain Rain Rain
Maximum 0.144 1.090 0 0 0
 
Dust Particulate Sampling Location 4 - Site Fence at Bike Path/Adams Street

Readings are recorded as micrograms per cubic meter (µg/m3)

Time Thursday,
8/25
Friday,
8/26
Monday,
8/29
Tuesday,
8/30
Wednesday,
8/31
Average 0.000 0.000 Rain Rain Rain
Maximum 0.018 0.331 0 0 0

Neighborhood sampling for dust particulate were not conducted during this period due to continuous heavy rain events. Monitoring will resume next week.

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