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Home My WebLink AboutNC0034860_Lab Data_20200213ROY COOPER coyffrw MICHAEL S. REGAIN SecWc,iry S. DANIEL SMITH Daww Mr. Chip Swinnie, Plant Manager Schneider Mills, Inc. P.O. Box 519 Taylorsville, NC 28681 Dear Mr. Swinnie: NORTH CAROLINA £rtkbroAWenrcr Qrsorrty February 13, 2020 Subject: Compliance Bioassay Results Schneider Mills WWTP NPDES Permit No. NCO034860 Alexander County Enclosed is a copy of the laboratory results for the effluent samples collected during the Compliance Bioassay Inspection performed at the subject facility on December 3, 2019, by Ori Tuvia and Michael Meilinger. The results for the bioassay sampling was a fail, however since your lab showed a pass we will accept the result. The report should be self-explanatory; however, should you have any questions concerning this report, please do not hesitate to contact Ori Tuvia at (704) 235-2190, or at ori.tuviagncdenr. gov. Sincerely, DocuSigned by: C f d C-- - BB057A2DE017498 Ori Tuvia, Environmental Engineer Mooresville Regional Office Division of Water Resources, DEQ Cc: NPDES, MRO Files (Laserfiche) State of North Carolina I Environmental Quality I Water Resources I Water Quality Regional Operations Mooresville Regional Office 1 610 East Center Avenue, Suite 3011 Mooresville, North Carolina 28115 704 663 1699 Division of WAer Resources January 9, 2020 MEMORANDUM To_ Corey Basinger Water Quality Regional Operatlons, M90 Through: Cindy A. Moore Supervisor, Aquatic Toxicology Branch (P_731 From: Lorimar& Henning q Environmental Specialist 11, Aquatic Toxicology Branch (ATB) Subject: Whole effluent toxicity test results Schneider Mills, Inc. NPDES permit 4 NCO034960 Alexander County The aquatic toxlcity test using flow- prapartionaI Composite samples of effluent discharged frorn the Schneider M111s, Inc. has been completed. Schneider Mills, Inc. has a permitted effluent disckiarge of 0,78 rnillion gallons per day (MCDI entering Put eddy Fork [reek �7Q10 of 1.4 CFS). whole effluent samples were collected on Decernber3 and Decembers by OriTuvia and facility representative, Darren Webb, for use in chronicCeriodophniarlubro pass -fail toxicity test. The test failed. Test results indicate that the effluent would be predicted to have water quality impacts. Toxicity test information follows, Test Type Test Result Test Concentratlans Control Survival Control Mean Reproduction Test Treatment Survival Treatment Mean Reproduction First Sample PH First Sample Conductivity First Sample Total Residual Chlorine Second Sample pH Second Sample Conductivity Second Sample Total Residual; Chlorine 3-8rood Cerradaphnia dub+a chronic pass -fail Fail 45% 10096 25,2 neonates UTA 2.92 neonates 6.92 SU 125.9 micrornhosjcro <D_1 mglL 7.40 SU 140_9 micrQmhostcm <0,1 mgjl These samples were split and tested by R & Alabs, The chronit Ceriodophnia dubla pass/fail test run by R & A Labs resulted in -a pass_ Raw data from the test performed by R & A tabs was reviewed rand the sample collection and splitting process was also verified, We see no definitive reason for a disagreeing result at this point; therefore, ATB omit accept the results obtained N R & A Labs_ However ATB recommends another split test in the future if staff tune and resources can accommodate it_ Please Contact us if you have any questions or If further effluent toxicity monitoring is desired. We maybe reached at (9191743-9401. Basin, Catawba cc: Wes Bell (MRO)