SUPERFU ND Cleaning Up New England SITE UPDATE Callahan Mine superfimd site U.S. EPA | HAZARDOUS WASTE PROGRAM AT EPA NEW ENGLAND You ore invited to attend a Public Information Meeting to learn about deanup work at the Callahan Mine Superfund Site in Brooksville, ME, Work is scheduled to begin in April 2011 Representatives from the EPA and the Maine Department of Environmental Protection will be available at the meeting. TUESDAY APRIL 26, 2011 7 PM BROOKSVILLE PUBLIC SERVICE BUILDING MEETING ROOM 1 Town House Rd, Brooksville, ME 04617 THE SUPERFUND PROGRAM protects human health and the environment by investigating and cleaning up often-abandoned hazardous waste sites and engaging communities throughout the process. Many of these sites are complex and need long-term cleanup actions. Those responsible for contamination are held liable for cleanup costs. ERA strives to return previously contaminated land and groundwater to productive use. INTRODUCTION: The first phase of the deanup work at the Callahan Mine Superfund Site will begin in April, 2011, The cleanup work will involve; * Removal of the lead and arsenic contaminated soil and mine waste from three properties on Old Mine Lane and one additional property on Goose Falls Road. (Figure 1) • Excavation of the PCB contaminated soil and mine waste located in the former Mine Operations Area (Figure 2). The excavated material will be shipped to an off-site facility licensed to accept PCB waste. WHAT TO EXPECT: The initial activities will involve the establishment of Site facilities, clear- ing, and surveying. The actual exca- vation work will begin in April/May 2011. "Work will take place Monday through Friday from the hours of 7AM to 6PM. •Approximately 184 truckloads of material (up to 21 per day) will be brought to the Site and approximately 211 truckloads of material (up to 21 per day) will be removed from the Site as part of the cleanup action. •The PCB cleanup work should be completed by the end of June 2011. •The residential cleanup and restoration work should be completed by mid-July 2011. •The site grading, stockpile management, and other Site work for this phase is expected to be completed by the end of 2011. &EPAI I United States Environmental Protection Agency ® printed on 100% rc-cyclod paper, wf)fi a minimum of 50% posfcconsumer waste, using vcgctabic-bascd inks April 2011 SDMS DocID 482893 ------- SUPERFUND U.S. EPA HAZARDOUS WASTE PROGRAM AT EPA NEW ENGLAND STATUS OF REMAINING CLEANUP ACTIVITIES: The Maine DOT will continue to prepare the design for the second phase of the cleanup work. The second phase, which has been designated Operable Unit 3, includes the following actions: • Excavation of the contaminated sediments in Goose Pond, Dyer Cove and Goose Cove; • Installation of a cover system and stabilization of the containment dam for the tailings impoundment; • Excavation of Waste Rock Pile #3; • Placement of the excavated sediment and waste rock in the former mine pit that will now be a confined aquatic disposal cell; and • Restoration of the disturbed areas, The information gathering and design development for these activities are expected to continue through 2013. Maine DOT will continue to collect information to complete the reme- dial investigation and feasibility study for Operable Unit 2 at the Callahan Mine. The goal of the Operable Unit 2 program is to determine what type of cleanup action, if any, would be necessary to address the contaminated ground- water. PUBLIC SAFETY NOTICE: Please do not attempt to visit the Site while cleanup activities are underway, There will be large construction vehicles and equip- ment entering and exiting the site as well as other physical hazards. EPA is asking that you not trespass during the cleanup. CONTACT INFORMATION: The OU1 cleanup work is being implemented by the Maine DEP pursuant to a Cooperative Agree- ment with the USEPA. EPA will be providing oversight and technical support. If you have any questions about the cleanup action, please access the key contacts at right. KEY CONTACTS: EDWARD HATHAWAY EPA New England Project Manager (617) 918-1372 hathaway.ed@epa.gov PAMELA HARTING-BARRAT EPA New England Community Affairs (617) 918-1318 harting-barrat.pamela@epa.gov NAJI AKLADISS Maine DEP Project Manager (207) 287-7709 Naji.N.Akladiss@maine.gov GENERAL INFO: EPA NEW ENGLAND 5 Post Office Square Suite 100 Boston, MA 02109-3912 (617) 918-1111 www.epa.gov/region 1/ EPA TOLL-FREE CUSTOMER SERVICE 1-888-EPA-7341 LEARN MORE AT: vvww.epa.gov/ne/superfund/ sites/callahan ------- Area to be excaustoo to remove arsenic and lead above residential cleanup levels RESIDENTIAL USE AREA PROPOSED METALS EXCAVATION AREAS CALLAHAN MINE SUPERFUND SITE 1 inch - 120 feet , MS INC • CWW P MSE1S- 2 FT OBTTHOWIHiGWY UEEEP. TUX Ml? WRCEL D*T1. STSUCTURES WSCFEC ------- Cleaning Up New England SITE UPDATE • [ | P noposed Excavation Area for PCS iso-conceniration ^B Proposed Excavation Area for PCB iso-conceniralion I Concrete foundations for former mine stmcturBS »= 1 rngftg, PCB iso-eonoentratton ^50 mgflig >= 50 mg/kg MINE OPERATIONS AREA PROPOSED PCB EXCAVATION AREAS CALLAHAN MINE SUPERFUND SITE 11nch' 120 feet SauflCEiS U?G&- 3 FT vMIHGIHAGEH Y MEDEP-T*i? MAP P«RiE(. 3*T*. 5THUCTURE6 M*CTEC INC - OUT FEUSBurrv STUDV REPORT ------- |