Update for the Week Ending February 24, 2017

Site Remediation Continues

Deep Excavation Nears Completion:

  • Continued the application of water for dust control;
  • Continued the application of BioSolve for Total Volatile Organic Compounds (TVOC), Particulate Matter (PM-10) [dust], and odor control;
  • Maintained erosion and sediment (E&S) controls (Installed waddles - wood chip and straw filled fabric tubes - around the Site perimeter to prevent silt and sediment from leaving the Site and covered all stockpiles);
  • Continued pumping from the decontamination pads to the water treatment plant (WTP);
  • Continued operation and maintenance of the WTP;
  • Initiated the disassembly of the temporary fabric structure (TCB);
  • Continued the import of select fill;
  • Continued backfilling in the western shallow excavation area with select fill;
  • Continued compaction of the backfill;
  • Continued compaction testing of the backfill lifts; and
  • Continued decontaminating and demobilizing equipment from the Site.

Upcoming activities:

  • Cut all SOE wall sheet piles to five feet below final Site grade;
  • Complete backfilling in the deep excavation; and
  • Complete excavation and backfilling in the western shallow excavation area.

Community Air Monitoring Plan Summary

Community air monitoring, initiated on Tuesday, December 1, 2015, continues as intrusive (ground disturbance) activities are conducted.

There were no 15-minute Action Limit exceedances for Total Volatile Organic Compounds (TVOC) or odors.

The Action Limit of 150 ug/m3 for Particulate Matter (PM-10) [dust] was exceeded at AMS-3 on February 23, 2017 from 1:31 to 1:46 pm. During that time, SES was scraping and grading soil near the station. The Contractor moved to a different task, and dust concentrations returned to normal operational conditions.

If you have any questions or comments about the work on the Site, please use the Williamsburg MGP Telephone Hotline at (718) 403-3053.

Photos of Activity


Grading select fill backfill lifts in the western shallow excavation area.


Compacting and testing select fill backfill lifts in the western shallow excavation area.


Disassembling the TCB vapor management system (VMS) components.


Demobilizing disassembled VMS components from the Site.


Decontaminating heavy equipment prior to demobilizing from the Site.


Removing fabric from the northern gable end of the TCB.


Removing fabric from the southern end of the TCB.


Removing fabric from the TCB.


Removing fabric from the TCB.