Y-12 National Security Complex Biological Monitoring And Abatement Program 2008 Calendar Year Report

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The National Pollutant Discharge Elimination System (NPDES) permit issued for the Oak Ridge Y-12 National Security Complex (Y-12 Complex) which became effective May 1, 2006, continued a requirement for a Biological Monitoring and Abatement Program (BMAP). The BMAP was originally developed in 1985 to demonstrate that the effluent limitations established for the Y-12 Complex protected the classified uses of the receiving stream (East Fork Poplar Creek: EFPC), in particular, the growth and propagation of aquatic life (Loar et al. 1989). The objectives of the current BMAP are similar, specifically to assess stream ecological conditions relative to regulatory limits and criteria, ... continued below

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Peterson, M. J.; Greeley, M. S., Jr.; Mathews, T. J.; Morris, G. W.; Roy, W. K.; Ryon, M. G. et al. July 1, 2009.

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Description

The National Pollutant Discharge Elimination System (NPDES) permit issued for the Oak Ridge Y-12 National Security Complex (Y-12 Complex) which became effective May 1, 2006, continued a requirement for a Biological Monitoring and Abatement Program (BMAP). The BMAP was originally developed in 1985 to demonstrate that the effluent limitations established for the Y-12 Complex protected the classified uses of the receiving stream (East Fork Poplar Creek: EFPC), in particular, the growth and propagation of aquatic life (Loar et al. 1989). The objectives of the current BMAP are similar, specifically to assess stream ecological conditions relative to regulatory limits and criteria, to assess ecological impacts as well as recovery in response to Y-12 operations, and to investigate the causes of continuing impacts. The BMAP consists of three tasks that reflect complementary approaches to evaluating the effects of the Y-12 Complex discharges on the biotic integrity of EFPC. These tasks include: (1) bioaccumulation monitoring, (2) benthic macroinvertebrate community monitoring, and (3) fish community monitoring. As required by the NPDES permit, the BMAP benthic macroinvertebrate community monitoring task includes studies to annually evaluate the receiving stream's biological integrity in comparison to TN Water Quality Criteria. BMAP monitoring is currently being conducted at five primary EFPC sites, although sites may be excluded or added depending upon the specific objectives of the various tasks. Criteria used in selecting the sites include: (1) location of sampling sites used in other studies, (2) known or suspected sources of downstream impacts, (3) proximity to U.S. Department of Energy (DOE) Oak Ridge Reservation (ORR) boundaries, (4) appropriate habitat distribution, and (5) access. The primary sampling sites include upper EFPC at kilometers (EFKs) 24.4 and 23.4 [upstream and downstream of Lake Reality (LR) respectively]; EFK 18.7 (also EFK 18.2 and 19), located off the ORR and below an area of intensive commercial and light industrial development; EFK 13.8, located upstream from the Oak Ridge Wastewater Treatment Facility (ORWTF); and EFK 6.3 located approximately 1.4 km below the ORR boundary (Fig. 1.1). Actual sampling locations on EFPC may differ slightly by task according to specific requirements of the task. Brushy Fork (BF) at kilometer (BFK) 7.6 and Hinds Creek at kilometer (HCK) 20.6 are the most commonly used reference sites for the Y-12 BMAP. Additional sites off the ORR are also occasionally used for reference, including Beaver Creek, Bull Run, Cox Creek, and Paint Rock Creek (Fig. 1.2). Summaries of the sampling designs for the three primary tasks of the Y-12 Complex BMAP for EFPC are presented in Tables 1.1-1.3. This report covers the 2008 period, although data collected outside this time period are included as appropriate. To address the biological monitoring requirements for Bear Creek and McCoy Branch, CERLCA-funded programs, data are summarized in Appendix A and Appendix B respectively. Data for these two watersheds are provided herein to address Section IX of the NPDES Permit for Y-12, where 'Results of these CERCLA programs can be used to meet the biological monitoring requirements of this permit...'. A summary of the toxicity testing results for Y-12 outfalls into upper EFPC is provided in Appendix C (these results have been previously reported) to provide a more thorough perspective of conditions in the stream. Data summarized in this report are available from the Oak Ridge Environmental Information system (OREIS) in an Arc-GIS usable format (http://www-oreis.bechteljacobs.org/oreis/help/oreishome.html). Per requirements specified in the NPDES permit, data collected following TDEC monitoring protocols (TDEC 2006) is also submitted directly to TDEC in Excel format.

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  • Report No.: MS/WIE-100719
  • Grant Number: DE-AC05-00OR22725
  • DOI: 10.2172/993510 | External Link
  • Office of Scientific & Technical Information Report Number: 993510
  • Archival Resource Key: ark:/67531/metadc1014513

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  • July 1, 2009

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  • Oct. 14, 2017, 8:36 a.m.

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  • Dec. 1, 2017, 4:18 p.m.

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Peterson, M. J.; Greeley, M. S., Jr.; Mathews, T. J.; Morris, G. W.; Roy, W. K.; Ryon, M. G. et al. Y-12 National Security Complex Biological Monitoring And Abatement Program 2008 Calendar Year Report, report, July 1, 2009; Oak Ridge, Tennessee. (digital.library.unt.edu/ark:/67531/metadc1014513/: accessed August 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.