Monday, October 13, 2014

Koppers Update

Here's an update from Beazer on the company's activity cleaning up the former Kopper's site:

On September 5, 2014, USEPA provided preliminary comments on Attachments 1 and 2 of the Human Health Risk Assessment Work Plan (HHRA Work Plan).

 On September 11, 2014, Beazer submitted a letter to USEPA responding to USEPA’s August 19 and September 5, 2014 comments on the HHRA Work Plan.

 On September 19, 2014, USEPA submitted a follow-up letter to Dr. Brian Klubek (Concerned
Carbondale Citizens), providing a modified response regarding groundwater sampling for dioxins/furans.

 On September 26, 2014, USEPA approved Beazer’s September 11, 2014 responses to USEPA’s
comments on the HHRA Work Plan, and requested a revised/final HHRA Work Plan by October 17,

 Beazer, USEPA and others participated in corrective action coordination conference calls on September 4 and 18, 2014.

 Beazer continued post-construction OMM activities (e.g., DNAPL thickness measurements/removal, CAMU leachate monitoring/removal, Site inspections, etc.).

 Beazer collected approximately 86 gallons of DNAPL from the barrier trench and approximately 28 gallons of DNAPL from recovery well RW-23 during this reporting period. The approximate total
DNAPL volumes collected through September 2014 are 18,530 gallons from the barrier trench and
7,504 gallons from RW-23.

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