• Continued pre-clearance trenching (shallow excavation) along Willow Avenue along the alignment of the barrier wall to be installed. Applied odor suppression foam throughout pre-clearance trenching to the excavated areas and materials to prevent odors from emanating from the site.
• Site preparation activities at the support area at 40 Willow Avenue included testing the Water Treatment Plant in preparation for start-up.
• Site preparation activities at areas to be remediated at the 25 and 89 Willow Avenue properties included positioning barriers and installing fencing and wood panels for the sound attenuation barrier, installation and maintenance of soil and sediment erosion controls, and continued interior preparation for the demolition of the warehouse building.
• General housekeeping activities at the Site.
  

Recently completed activities:

• Completed the Level A Subsurface Utilities Investigation (SUI) test pit installation along Bay Street sidewalk adjacent to the gas lines.
• Completed interior preparation activities inside the warehouse building.
  

Future near-term activities:

• Install the WTP effluent (treated water) discharge line into the Willow Avenue storm water pipe.
• Complete the baseline surveys for noise, vibration and settlement in preparation for remedial construction activities for OU-2.
• Complete positioning of the sound attenuated barrier and fencing around the OU-2 Site (25 and 89 Willow Avenue properties for Bay Street and Willow Avenue) including a pedestrian walkway along Bay Street.
• Initiate demolition of the warehouse building.
  

Community Air Monitoring Plan Summary

Community air monitoring was initiated in February 2012 to support the Level A SUI activities involving small test pit excavations at 25 Willow Avenue to identify subsurface utilities. CAMP monitoring continues for the OU-2 activities, and there were no exceedences of action levels during this period.