Koppers Update

Here's the monthly report on cleanup at the abandoned Koppers site.

Items Performed/Completed Since Previous Report:
 On November 26, 2014, Beazer submitted to USEPA a Human Health Risk Assessment that was
prepared consistent with the approach described in the October 1, 2014 Work Plan developed in
conjunction with the USEPA.
 Beazer, USEPA and others participated in a corrective action coordination conference call on
November 13, 2014.
 Beazer and USEPA participated on a conference call and WebEx on November 24, 2014 to discuss
potential modifications to the groundwater monitoring program for the Site.
 Beazer continued post-construction OMM activities (e.g., DNAPL thickness measurements/removal,
CAMU leachate monitoring/removal, Site inspections, etc.).
 Beazer collected approximately 121 gallons of DNAPL from the barrier trench and approximately 31
gallons of DNAPL from recovery well RW-23 during this reporting period. The approximate total
DNAPL volumes collected through November 2014 are 18,755 gallons from the barrier trench and
7,563 gallons from RW-23.
Items Anticipated to be Performed/Completed over the Next One to Two Months:
 Beazer and USEPA will participate in discussions regarding the Site groundwater monitoring program.
 Beazer, USEPA and others will participate in conference calls to discuss Site corrective action and
redevelopment activities.
 Brightfields will hold an additional public information session for solar land use at the Site, including
attendance by representatives of Beazer, USEPA, and the City.
 Beazer and Brightfields will continue to advance/support potential future solar land use at the Site.
Items Anticipated to be Performed/Completed over the Next Two to Six Months:
 Beazer will continue to advance proposed future Site uses, including conservation land use and solar use.