HomeMy WebLinkAboutNC0004944_Compliance Sampling_20171031WaterResources
ENVIRONMENTAL QUALITY
October 31, 2017
Mr Donald Peterson, Plant Manager
DuraFiber Technologies Inc.
7401 Statesville Blvd
Salisbury, North Carolina 28147
SUBJECT Compliance Sampling Inspection Sampling Results
DuraFiber Technologies, Inc WWTP
NPDES Permit NC0004944
Rowan County, NC
Dear Mr Peterson
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. JAY ZIMMERMAN
Director
RECEIVEDINCDENWR
NOV 07 2017
Water Quality
Permitting Section
On October 10, 2017, Roberto Scheller of this Office conducted sampling for Toxicity on
October 101h and 12�1, 2017 to insure compliance with permit requirements and conditions
Enclosed with this cover are the results of Whole Effluent Toxicity Tests
The enclosed report should be self-explanatory; however, should you have any questions,
please do not hesitate to contact myself of Roberto Scheller at (704) 235-2204 or
roberto scheller@ncdenr gov
Sincerely,
I.
W Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NCDEQ
Enclosure DWR Whole effluent toxicity test results
cc Bill McDonald (ORC) email billmcdonald@durafibertec corn
Wastewater Branch
File
State of North Carolina I Environmental Quality I Water Resources I Water Quality Regional Operations
Mooresville Regional Officel 610 East Center Avenue, Suite 3011 Mooresville, North Carolina 28115
704 663 1699
Division of Water Resources
;-T 2 6 2.i)11
October 25, 2017
MEMORANDUM
To. Corey Basinger _
Water Quality Regional Operations, MRO
Through- Cindy A. Moore (
Supervisor, Aquatic Toxicology Branch (ATB)
From: Carol Hollenkamp �
Quality Assurance Officer, Aquatic Toxicology Branch (ATB)
Subject: Whole effluent toxicity test results
Durafiber
NPDES Permit # NC0004944/001
Rowan County
The aquatic toxicity test using flow -proportional composite samples of effluent discharged from
the Durafiber has been completed. Durafiber has a permitted effluent discharge of 2.305 million
gallons per day (MGD) entering North Second Creek (7Q10 of 6.9 CFS) Whole effluent samples
were collected on October 10 and October 12 by Roberto Scheller for use in a chronic
Cenodaphnia dubia pass -fail toxicity test. The test passed. Toxicity test information follows.
Test Type 3-Brood Cenodophn1a dubio chronic pass -fail
Test Result
Pass
Test Concentrations
34%
Control Survival
100%
Control Mean Reproduction
28.1 neonates
Test Treatment Survival
100%
Treatment Mean Reproduction
27 8 neonates
First Sample pH
8.62 S I
First Sample Conductivity
578 micromhos/cm
First Sample Total Residual Chlorine
<0 1 mg/L
Second Sample pH
9 01 SU
Second Sample Conductivity
567 micromhos/cm
Second Sample Total Residual Chlorine
<0.1 mg/L
Test results for the above samples! ndicate that the effluent would not be predicted to have
water quality impacts. Please contact us if you have any questions or if further effluent toxicity
monitoring is desired. We may be reached at (919) 743-8401.
Basin: Yadkin -Pee Dee
cc- Roberto Scheller (MRO)