Community Update #22 Pompton Lakes Study Area Pompton Lakes, New Jersey Upland Soil Areas Excavation/Dredging Community Update October 2016 This is EPA's 22nd update to inform the community of the progress of activities related to the portion of the Pompton Lakes Study Area known as the Upland Soil Areas and the 3 acres of the lake (designated Area A and the Island Area) that will be mechanically dredged. Work is being performed by Sevenson Environmental Ser- vices, Inc., on behalf of The Chemours Company FC, LLC (Chemours) with EPA/NJDEP oversight. ACTIVITIES—WEEK OF OCTOBER 17th ~ Transported/disposed of 946 loads of impacted material (excavated soil/dredged sediment) a/o October 20th ~ Continued mechanical dredging of Island Area ~ Processed/staged impacted sediment for off-site disposal ~ Continued working on treatment modifications to NJDEP permit with no discharge until approvals secured/lab testing completed ~ Continued perimeter monitoring—data on website (http:// www.pomptonlakesworks.com/pompton-lake-project/ environmental-monitoring/ ~ No exceedances of dust/ mercury vapor/turbidity action levels during monitoring associated with site activities UPCOMING ACTIVITIES—WEEK OF OCTOBER 24th ~ Continue mechanical dredging of the Island Area ~ Continue processing/loading/ disposal of dredged sediment ~ Commence discharge of treated water from dredged sediment per NJDEP-approved permit modification and receipt of lab re- sults ~ Continue to further assess Area A1 excavation in Uplands Area ~ Continued perimeter monitoring of dust/mercury/turbidity levels ADDITIONAL NOTES: ~ Chemours received approvals for a permit modification re- configuring their treatment process to include chemical treatment to address liquid from the de-watered sediment. ~ Laboratory analysis of the water treated via the reconfig- ured treatment process that now includes chemical treat- ment indicates the treated water will not exceed the NJDEP permit levels. ~ The project remains on schedule. www3.epa.gov/region02/waste/dupont_pompton/index.html EPA CLEANUP ACTIVITIES Basic Site Information The Upland Soil Areas excavation is complete with the exception of one small area (Area Al) totaling ap- proximately 20 cubic yards (CY). Mechanical dredging of approxi- mately 19,300 CY of impacted sedi- ment (containing mercury/lead/other metals) in Area A and the Island Area is in progress. Boroiiph of Pompton Lakes http://www.pomptonlakesgov.com Questions? Please Contact: EPA Remedial Project Manager Perry Katz (212)637-4426 katz.ira-perry@epa.gov EPA Community Involvement Coordinator Pat Seppi (646)369-0068 seppi.pat@epa.gov ------- |