DOE/ORO/2327 Oak Ridge Reservation Annual Site Environmental ...

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Oak Ridge Reservation Table 3.35. NPDES permit no. TN0074225 outfall 001 monitoring requirements Parameter Collection frequency Sample type Flow Continuous Recorder pH Continuous Recorder Total suspended solids (TSS) Weekly 24-h composite Chemical oxygen demand (COD) Weekly 24-h composite Benzene Bimonthly Grab Ethylbenzene Bimonthly Grab Toluene Bimonthly Grab Methylene chloride Bimonthly Grab Bromoform Monthly Grab Carbon tetrachloride Monthly Grab Chlorodibromomethane Monthly Grab Chloroform Monthly Grab Dichlorobromomethane Monthly Grab Tetrachloroethylene Monthly Grab 1,1,1-Trichloroethane Monthly Grab Trichloroethylene Monthly Grab Vinyl chloride Monthly Grab Naphthalene Monthly Grab Oil and grease Monthly Grab Total petroleum hydrocarbons (TPH) Monthly Grab Chloride, total Monthly 24-h composite Polychlorinated biphenyls (PCBs) Monthly 24-h composite Uranium, total Monthly Monthly composite Gross alpha radioactivity Monthly Monthly composite Gross beta radioactivity Monthly Monthly composite 234 U Monthly Monthly composite 235 U Monthly Monthly composite 236 U Monthly Monthly composite 238 U Monthly Monthly composite 99 Tc Monthly Monthly composite 137 Cs Monthly Monthly composite 238 Pu Monthly Monthly composite 239 Pu Monthly Monthly composite 237 Np Monthly Monthly composite Other radionuclides—determined monthly Monthly Monthly composite Cadmium, total Quarterly 24-h composite Chromium, total Quarterly 24-h composite Copper, total Quarterly 24-h composite Lead, total Quarterly 24-h composite Nickel, total Quarterly 24-h composite Silver, total Quarterly 24-h composite Zinc, total Quarterly 24-h composite Mercury, total Quarterly 24-h composite Acetone Quarterly Grab Acetonitrile Quarterly Grab Methyl ethyl ketone Quarterly Grab Chlordane Quarterly Grab 3-60 East Tennessee Technology Park
Annual Site Environmental Report Table 3.35 (continued) Parameter Collection frequency Sample type Total toxic organics (TTO) a Quarterly Grab Settleable solids b Biannually Grab Cyanide, total Annually Grab a TTOs include, at a minimum, chloroform, bromoform, dichlorobromomethane, chlorodibromomethane, carbon tetrachloride, tetrachloroethylene, methylene chloride, naphthalene, benzene, ethylbenzene, toluene, and PCB. Other parameters listed in 40 CFR Part 433 are analyzed if their presence is suspected based on process knowledge. b To comply with DOE Order 5400.5, Chap. II, 3.a.(4), the presence of settleable solids greater than 0.1 mg/L must be determined. If settleable solids are present, the sample will be filtered and the solids will be analyzed for total uranium, gross alpha radioactivity, and gross beta radioactivity. Sufficient volume shall be collected and held for radiological analyses. “Settleable solids” is not a NPDES permit parameter, and the result is not reported with the discharge monitoring report. Radiological sampling of effluent from the CNF and/or the K-1435 Waste Water Treatment System (WWTS) is conducted weekly. The weekly samples are then composited into a single monthly sample. Table 3.36 lists the total discharges in 2009 by isotope. The radiological results are compared with the DCGs. The sum of the fractions must be kept below 100% of the DCGs; in practice the effluent results from the CNF/WWTS were well below 100% of the DCGs until 2007. Figure 3.40 shows a rolling 12 month average for 2009. Beginning in September 2006 and continuing at irregular intervals until February 2009, there were some anomalously high results for uranium isotopes, which caused spikes in comparisons of the sums of the fractions of the DCGs. In October 2007, the sum of the fractions of the DCGs exceeded 1.0 for the first time. Work continues on evaluating the most effective way to treat the waste. Operational changes that have taken place include more frequent changeout of the carbon filters, more frequent removal of built-up clarifier sludge, double treatment of the water when necessary, and the substitution of ferrous sulfate for ferric sulfate to cause the uranium to precipitate more readily. The substitution was made as a result of bench-scale jar tests to determine the most effective materials to use. Monitoring results for 2009 showed a marked decrease in the rolling 12 month average of the sum of the fractions of the DCGs from a high of 1.1 in January 2008 to 0.8 in December 2009. Table 3.36. Isotopic discharges from the Central Neutralization Facility/Waste Water Treatment System, 2009 Isotope Curies Isotope Curies 241Am 1.2E–5 239Pu 1.2E–5 99Tc 1.6E–1 137Cs 2.4E–3 230Th 2.4E–5 60Co 2.8E–7 234Th 2.4E–3 3H 1.6E–1 234U 6.9E–3 235U 7.5E–4 237Np 5.0E–5 236U 4.2E–4 238Pu 1.9E–5 238U 2.7E–2 Although uranium isotopes constitute the greatest mass (approximately 82 kg) of radionuclides discharged from CNF, 99 Tc and tritium account for the greatest activity, due to their much higher specific activities. Transuranic isotopes constitute a small fraction of the total. East Tennessee Technology Park 3-61
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Oak Ridge Reservation Annual Site E
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Oak Ridge Reservation 3. East Tenne
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Oak Ridge Reservation 5.3.2 Clean A
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Figures Figure Page 1.1. Location o
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Oak Ridge Reservation 3.30. Results
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Oak Ridge Reservation 7.1. Emission
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1. Introduction to the Oak Ridge Re
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Fig. 1.1. Location of the city of O
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2-2 Compliance Summary and Communit
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Discharge Point Outfall 512 (Ground
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Uranium isotopes Annual Site Enviro
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4.6.4.1.4 Volatile Organic Compound
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• lead and copper, and • disinf
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Fig. 5.13. Total discharges of 3 H
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Table 5.13. Radionuclide concentrat
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Cooling tower a Annual Site Environ
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Oak Ridge Reservation Source ID 7-4
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Oak Ridge Reservation 7-6 Dose Tabl
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Oak Ridge Reservation 7.1.3 Current
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Oak Ridge Reservation because of PC
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Appendix A. Errata
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Appendix B. Glossary
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Oak Ridge Reservation biota — The
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Oak Ridge Reservation committed dos
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Oak Ridge Reservation hectare — A
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Oak Ridge Reservation quality facto
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Oak Ridge Reservation total dissolv
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Appendix C. Climate Overview for th
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Oak Ridge Reservation Pressure-driv
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Oak Ridge Reservation for winds fro
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Table D.1. Reference standards for
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TDEC and EPA Drinking Water Standar
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Chemical TDEC and EPA Drinking Wate
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Appendix E. National Pollutant Disc
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Appendix F. Radiation This appendix
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F.2.2 Non-ionizing Radiation Annual
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F.5.10 Dose from Consumer Products
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The ED from swimming in water conta
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Appendix G. Chemicals This appendix
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Table G.1. Chemical reference doses
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BW = body weight (70 kg), and Annua
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