Update Week Ending June 01, 2012

Remedial Contractor Continues Site Remediation

Installation of sub-surface barrier along Bay Street

On-going activities:

• Initiated the excavation and installation of the barrier cement bentonite wall (CBW) along Willow Avenue. Applied odor suppressant foam to prevent odors from leaving the Site.
• Continued the preparation and load-out of excavated CBW spoils from the temporary fabric structure (TFS) and transported the material in lined, covered trucks for proper disposal.
• Applied 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.
  

Close-up of barrier installation

Recently completed activities:

• Completed installation of temporary electrical service at 25 Willow Avenue.
• Completed excavation and installation of the barrier cement bentonite wall (CBW) along Bay Street.

Future near-term activities:

• Initiate the installation of well points for dewatering areas of the Site to be excavated.
• Initiate demolition of the warehouse building.

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.

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