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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 October 31 -- November 4

  • Continue crushing concrete & brick
  • Implement soil screening / sampling program
  • Continue dust control methods
  • Continue air monitoring at all 4 stations & in neighborhood locations

Activities Performed During the Week of October 24 -- October 28

  • Continue crushing concrete & brick
  • Complete removal of concrete pipe chase in slab area
  • Soil sampling program delayed due to excessively wet conditions
  • Continue dust control methods
  • Continue air monitoring at all 4 stations & in neighborhood locations

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 0.003 (µg/m3), with most readings valued at zero. The maximum level for this week is also recorded and ranges from 0.000 to 2.167 (µg/m3).

Asbestos Monitoring - Asbestos monitoring has been discontinued. All abatement measures have been completed, therefore monitoring is no longer required.

Actual Data - Below are tables showing the average and maximum dust particulate readings taken at each sampling location during the week of October 20 through October 26.

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

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

Time Thursday,
10/20
Friday,
10/21
Monday,
10/24
Tuesday,
10/25
Wednesday,
10/26
Average 0.000 0.001 0.000 0* 0.000
Maximum 0.000 1.602 0.011 0* 0.010
 
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,
10/20
Friday,
10/21
Monday,
10/24
Tuesday,
10/25
Wednesday,
10/26
Average 0.000 0.000 0.000 0* 0.003
Maximum 0.190 2.167 0.123 0* 0.321
 
Dust Particulate Sampling Location 3 - Site Fence at Bike Path/Tripp Street

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

Time Thursday,
10/20
Friday,
10/21
Monday,
10/24
Tuesday,
10/25
Wednesday,
10/26
Average 0.000 0.000 0.000 0* 0.000
Maximum 0.165 0.024 0.035 0* 0.013
 
Dust Particulate Sampling Location 4 - Site Fence at Bike Path/Adams Street

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

Time Thursday,
10/20
Friday,
10/21
Monday,
10/24
Tuesday,
10/25
Wednesday,
10/26
Average 0.000 0.000 0.000 0* 0.000
Maximum 0.000 0.023 0.022 0* 0.118
 

Note: 0* indicates monitoring not performed on October 25th due to heavy rains during hours of operation.

Samples for dust particulate were taken in the neighborhood on October 26 , 2005. Results are shown below.

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

Sampling Location 85 Pleasant St. 2 Adams St. 97 Center St @ Adams St. 32 Adams At. @ Washington 70 Church St. @ Pleasant St.
Value 0.000 0.000 0.000 0.004 0.000
 

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