DEQ-CFW_00003154

Grzyb, Julie
From: Grzyb, Julie
Sent: Tuesday, June 13, 2017 2:33 PM
To: Culpepper, Linda
Subject: Chemours Compliance record
Linda,
NPDES Wastewater Compliance History on Chemours 2011-6/2017:
Chemours had one toxicity failure in 2012 (Outfall 002).
Internal outfall 001 had two BOD daily max exceedances and one monthly average exceedance all in October 2014.
The DMR explains that these excursions were due to shut down and startup of the plant after maintenance.
Routine Compliance inspections performed 2012-2016 were all Compliant.
A Bioassay and Compliance Evaluation was performed in 2011, the facility was found to be Compliant and the 24-hr chronic
Whole Effluent Toxicity
Test performed at Outfall 002, using Ceriodaphnia dubia, was split between DWR's lab and DuPont's commercial laboratory
(Meritech) and both were in agreement —they both passed at 3.3% effluent concentration.
Julie A Grzyb
Supervisor
NPDES Complex Permitting
NC DEQ / Division of Water Resources / Water Quality Permitting
919 807 6390 office
919 707 9000 main office
julie. grzyb(a-),ncdenr.gov
Physical Address: 512 North Salisbury St.,Raleigh, NC, 27604
Mailing Address: 1617 Mail Service Center, Raleigh, NC, 27699-1617
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DEQ-CFW 00003154