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Waste Site Cleanup & Reuse in New England

Atlas Tack Corporation Superfund Site
Weekly Remedial Activities Update
Report # 16: October 23 - October 27, 2006

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1. ACTIVITIES PERFORMED DURING THE WEEK OF OCTOBER 23 - OCTOBER 27

  • Completed the placement of polyethylene sheeting over  the  newly installed imported fill earthen berm
  • Consolidated stockpiles based on similar disposal classifications and relocated soils from the dewatering pad to the stockpile staging area to allow for more floor space.  In addition, removed large boulder stockpile from the eastern end of the dewatering pad.
  • Continued to finalize Subtitle D disposal requirements needed to transport soils to the Turnkey facility (TREE)
  • Finalized COMM-97 approval package to Marion landfill.  Shipment of COMM-97 soils slated to begin on 10/27/06.
  • Completed the topographic survey of the Lagoon Area and Northwest Fill Area
  • Began to excavate soils from the northern boundary of the Northwest Fill Area
  • Completed (7) soil boring locations and (1) test pit; generating (28) pre-confirmatory soil samples from the Lagoon Area
  • Completed the survey of the western excavation boundary limits and collected confirmatory soil samples from the CID Area
  • Received analytical from “re-sampled”  TCLP stockpiles; approximately 750 tons confirmed to be treated on-site

Ongoing Site Activities:

  • Collected waste characterization soil samples from soils originating from East Fill and CID excavation for off site landfill profiling and disposal
  • Continue to water the haul roads for dust control
  • Continue water handling activities
  • Continue with air monitoring program

2. PROJECTED ACTIVITIES FOR THE WEEK OF OCTOBER 30 - NOVEMBER 3

  • Transportation and disposal (T&D) of COMM-97 soils (3,000-cy)
  • T&D Oversize Debris (1,250-cy)
  • Continue with excavation in the Northwest Fill Area
  • Collect waste characterization soil samples from soils originating from Northwest Fill Area
  • Screen soils originating from the Northwest Fill Area

Ongoing Site Activities:

  • Continue to water the haul roads for dust control
  • Continue to collect pre and post excavation survey data of the excavations
  • Continue with stockpile management activities
  • Continue water handling activities
  • Continue with air monitoring program

3. AIR MONITORING INFORMATION

WESTON monitored for particulate (dust) during intrusive activities performed during this reporting period. WESTON recognizes EPA's level of concern for "PM10" to caution sensitive groups, including children, the elderly, and people with heart or lung disease, about exposure to coarse dust particles. The PM10 level of concern for sensitive groups is 150 µg/m3 for 24-hour average exposure.

Perimeter Air Monitoring is performed at up to (6) locations throughout a given work day. Readings are collected at 60 second intervals throughout the day and reported as a daily average.

If exceedances are identified, an increased effort of engineering controls (water suppression) will be utilized to adhere to the PM10 level of concern. If engineering controls appear to be inadequate, any dust generating activities will stop. Current dust control practices will be re-evaluated until concentrations are reduced to below the PM10 standard.

Results for 19 October – 25 October 2006 can be reviewed in the table presented below.

Weekly Dust Monitoring Summary
Week #16: Results for Thursday through Wednesday**

The EPA's PM10 level of concern for sensitive groups is 150 µg/m3 for 24-hour average exposure

Date Pleasant Street (µg/m3) Adams Street (µg/m3) Tripp Street (µg/m3) Egypt Road (µg/m3) Church Street 2 (µg/m3)
10/19/2006 NSC NSC NSC NSC NSC
10/20/2006 Precip Precip Precip Precip Precip
10/23/2006 5 0 0 NSC 0
10/24/2006 0 0 0 NSC NSC
10/25/2006 0 0 0 NSC NSC

Notes:
All readings reflect the daily average calculated over the course of the workday.
All readings collected with a Thermo Electron PDR 1000.
NSC: No sampling conducted; No intrusive work conducted in that area.
Precip: No sampling conducted due to precipitation.
*: Monitoring conducted over 24-hour period.
**: No work and air monitoring occurs on weekend days

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