Update Week Ending September 14, 2012

Remedial Contractor Continues Site Remediation

Systematic Excavation and Backfill Continues Beneath the Temporary Fabric Structure

Backfill delivery to the Site

On-going activities:

• Continued systematic excavation beneath the temporary fabric structure (TFS), load out, and transportation of the material in lined, covered trucks for proper disposal.
• Continued backfilling excavated areas of the Site with clean backfill.
• Continued breaking the concrete slab and foundation from the one-story warehouse building and load-out of the concrete for recycling.
• Continued stockpiling clean sand from beneath the one-story building slab and foundation for reuse as backfill on Site.
• Continued the use of an odor suppressant misting system on the perimeter fence and TFS doors and applied odor suppressant liquid, foam, and plastic sheeting to prevent odors from leaving the Site.
• Continued the application of water throughout the Site to prevent the formation of dust.
• Continued maintenance of erosion and sediment controls throughout the Site.
• Continued general housekeeping activities at the Site.
• Continued monitoring for noise, vibration, and settlement on Site and on neighboring properties.
  

Backfill hauling on Site

Recently completed activities:

• Completed excavation beneath TFS position #5 and loadout and transportation of impacted material for proper disposal.
• Initiated and completed backfilling beneath TFS position #5.
• Initiated the excavation and backfilling of shallow excavation areas at the northern areas of the Site.
• Completed the breaking and removal of the concrete slab and foundation from the former one-story warehouse building.
• Initiated preparation for the relocation of the TFS eastward to position #6.

Backfill placement TFS position 4

Future near-term activities:

• Relocate the TFS eastward to position #6 and begin excavation, loadout and transportation of impacted material for proper disposal.
• Initiate backfilling beneath TFS position #6.
• Complete the excavation and backfilling of shallow excavation areas at the western areas of the Site.
• Complete the excavation and backfilling of shallow excavation areas at the northern areas of the Site.

Excavation and loadout TFS position 5

Community Air Monitoring Plan Summary

Community air monitoring, initiated in February 2012, continues as intrusive activities are conducted by the remediation contractor at OU-2. There were no exceedances of action levels during this period.

Concrete slab loadout for recycling

 

Staten Island Community Board #1 One Edgewater Plaza Room 217 Staten Island, NY 10305 Phone #: (718) 981-6900

Borough President’s Office Borough Hall Staten Island, New York 10301 Phone #: (718) 816-2057