ML071080301
| ML071080301 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 04/11/2007 |
| From: | Haas K Consumers Energy |
| To: | Document Control Desk, NRC/FSME |
| References | |
| Download: ML071080301 (18) | |
Text
Consmr-5 Energyy A CMS Energy Company.
Big Rock Point Nuclear Plant Kurt NA Haas 10269 US-31 North General Manager Charlevoix, MI 49720 April 11, 2007 10 CFR 50 Appendix I, Section IV.B.1 10 CFR 50.36(a)
U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555-0001 DOCKETS 50-155 AND 72-043 - LICENSE DPR BIG ROCK POINT PLANT
- ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR THE PERIOD OF JANUARY 1, 2006 - DECEMBER 31, 2006 In accordance with the Big Rock Point Defueled Technical Specifications Section 6.6.3, attached (Attachment 1) is the Annual Radioactive Effluent Release Report for the period of January 1, 2006 to December 31, 2006. This report includes summaries of the quantities of radioactive liquid and gaseous effluents and solid waste released from the facility. The material provided is consistent with the objectives outlined in the Offsite Dose Calculation Manual (ODCM) and the Process Control Program (PCP), and complies with Section IV.B. l of Appendix I 10 CFR 50 and 10 CFR 50.36(a).
There were no revisions to the ODCM or the PCP during the period.
Kurt M. Haas Site General Manager cc:
Administrator, Region III, USNRC NRC Decommissioning Inspector, Big Rock Point NRC NMSS Project Manager, James Shepherd ANI/MAELT - D Sherman ATTACHMENT
ATTACHMENT 1 Big Rock Point Dockets 50-155 and 72-043 April 11, 2007 BIG ROCK POINT ANNUAL RADIOLOGICAL EFFLUENT RELEASE REPORT January 1, 2006 - December 31, 2006 17 pages
BIG ROCK POINT ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT January 1, 2006 to December 31, 2006 This report provides information relating to radioactive effluent releases and solid radioactive waste disposal at Big Rock Point for the year 2006. The report format is detailed in Big Rock Point Offsite Dose Calculation Manual,Section III. Effluent releases from Big Rock Point are controlled by the Defueled Technical Specifications and the Offsite Dose Calculation Manual (ODCM) requirements.
The Big Rock Point Nuclear Plant ceased power operations in August 1997. During 2006 site decommissioning activities were completed. Activities included final removal of all underground structures and utilities, demobilization of all remaining site equipment, facilities and personnel. Open land areas were backfilled, contoured and seeded. The concluding site activity was the Final Status Survey which concluded that the former Big Rock Point Nuclear Plant met the radiological criteria for unrestricted use in accordance with 10 CFR 20.14021.
Previous decommissioning activities resulted in permanent dismantlement and removal of the designated gaseous and liquid effluent locations, also known as the off-gas stack and discharge canal, respectively. Liquid effluent monitoring is no longer conducted as all licensed discharges of radioactive liquids have ceased. Precautionary monitoring of detained surface water and ground water from dewatering operations was conducted for decommissioning activities open to the environment.
Due to the decay time since ceasing plant operations, short-lived radionuclides, including iodines and noble gases (other than Krypton-85) are neither expected nor reported.
- 1.
Supplemental Information A.
Batch Releases There were no batch releases of gaseous or liquid effluents during 2006.
All batch releases of radioactive liquids as described in the ODCM ceased in 2004.
B.
Abnormal Releases There were no abnormal releases from Big Rock Point during 2006.
1 Letter from the US NRC dated January 8, 2007, Release of land from Part 50 License for Unrestricted Use 2006 Big Rock Point Annual Radioactive Effluent Release Report C.
Lower Limits of Detection (LLDs) for gaseous and liquid effluents are provided in Enclosure E.
D.
Radioactive Effluent Monitoring Instrumentation Big Rock Point Offsite Dose Calculation Manual,Section I currently specifies required actions when less than the minimum number of radioactive effluent monitoring instrument channels are operable. The ODCM also specifies these actions be taken when installed effluent monitoring systems are removed from service for decommissioning.
All plant-installed liquid and gaseous radioactive effluent monitoring instrument channels have been permanently removed and dismantled.
Alternate ground-level airborne measurement equipment was utilized to monitor gaseous radioactive effluents in accordance with the ODCM and site procedures.
Although no radioactive liquids were released from the site, precautionary sampling of detained surface and groundwater was conducted routinely.
- 2.
Gaseous Effluents Although there were no gaseous effluents released during 2006, Table 2 (Enclosure B) provides a summary of all gaseous radioactive effluent monitoring conducted during the reporting period as required by the ODCM.
All alternate gaseous measurements conducted in 2006 showed no detectable radioactivity.
- 3.
Liquid Effluents There were no liquid effluent batch releases during 2006. Detained surface and groundwater from excavations was released to the lake via a site drainage ditch. ODCM Section 2.1.1 specifies that effluents purposefully discharged to the lake from surface and groundwater that have been detained for sedimentation will undergo precautionary sampling and analysis for tritium and radionuclides other than dissolved or entrained noble gases.
Table 3 (Enclosure C) lists and summarizes detained surface and groundwater released during the reporting period. Total liquid effluent radioactivity, released in 2006 consisted of tritium and was less than tritium released during 2005 (4.63 E-04 Ci versus 1.05E-03 Ci, respectively).
2006 Big Rock Point Annual Radioactive Effluent Release Report
- 4.
Solid Waste Table 4 (Enclosure D) summarizes all solid radwaste volume shipped, classification, processing employed, sources, Curie quantity, and nuclide content. Radwaste shipments were made either to the Barnwell Waste Management Facility in Barnwell, South Carolina, or Envirocare of Utah via a radwaste processing facility. The total volume of material shipped during 2006 was less than 2005 shipment volume, and the total activity for 2006 waste shipments was significantly less than 2005 (151 Ci versus 12.1 Ci) due primarily to the reduction in waste volume and type.
- 5.
Summary of Radiological Impact on Man The ODCM,Section III, Item 1.6 specifies that the Annual Effluent Release Report shall provide potential dose calculations based on measured effluent to liquid and gaseous pathways if estimates of dose exceed 1 millirem to an organ or total body of any individual or more that 1 person-rem to the population within 50 miles. During the year 2006 no quarterly or annual dose calculations exceeded 1 millirem or 1 person-rem from releases to either liquid or gaseous pathways.
- 6.
Offsite Dose Calculation Manual (ODCM)
The ODCM describes the radiological release requirements for the Big Rock site. The ODCM was not revised in 2006.
- 7.
The Process Control Program describes solid waste processing and disposal methods utilized at the Big Rock Point site. The PCP was not revised during 2006.
Enclosure A 1 Page Consumers Energy Big Rock Point RADIOACTIVE EFFLUENT RELEASE REPORT LIQUID RELEASES
SUMMARY
January 1, 2006 - December 31, 2006 2006 Big Rock Point Annual Radioactive Effluent Release Report TABLE 1 BATCH RELEASES January 1, 2006 to December 31, 2006 A. GASEOUS - Continuous release only; no batch releases.
B. LIQUID Units 1ST QTR 2ND QTR 3RD QTR 4TH QTR Number of Releases 2
7 0
0 Total Release Time Minutes 1712 7357 0
0 Maximum Release Time Minutes 1342 1945 0
0 Average Release Time Minutes 856 1051 0
0 Minimum Release Time Minutes 370 375 0
0 Liquid monitoring consisted of precautionary monitoring of detained surface and groundwater from the detention pond prior to release.
Enclosure B 3 Pages Consumers Energy Big Rock Point RADIOACTIVE EFFLUENT RELEASE REPORT GASEOUS EFFLUENTS - SUMMATION OF RELEASES January 1, 2006 - December 31, 2006 2006 Big Rock Point Annual Radioactive Effluent Release Report TABLE 2 GASEOUS EFFLUENT RELEASES January 1, 2006 to December 31, 2006 A.
FISSION AND ACTIVATION GASES Units 1ST QTR 2ND QTR 3RD QTR 4TH QTR Est Total Error %
- 1.
Total release Ci 0.00 0.00 0.00 0.00
- 2.
Average release rate for period pCi/sec N/A N/A N/A N/A N/A
- 3.
Percent of annual avg EC I
N/A N/A N/A N/A B.
- 1.
Total Iodine Ci 0.00 0.00 0.00 0.00 N/A
- 2.
Average release rate for period pCi/sec N/A N/A N/A N/A
- 3.
Percent of annual avg EC I
N/A N/A N/A N/A C.
PARTICULATES
- 1.
Particulates with half-life >8 day Ci 0.00 0.00 0.00 0.00
- 2.
Average release rate for period pCi/sec N/A N/A N/A N/A N/A
- 3.
Percent of annual avg EC 0
N/A N/A N/A N/A
- 4.
Gross alpha radioactivity Ci N/A N/A N/A N/A D. TRITIUM
- 1.
Total Release Ci 0.00 0.00 0.00 0.00
- 2.
Average release rate for period pCi/sec N/A N/A N/A N/A
- 3.
Percent of annual avg EC N/A N/A N/A N/A E. WHOLE BODY DOSE
- 1.
Beta Air dose at Site Boundary due to Noble Gases (ODCM Section 1, 1.3.1 a (1) (2))
mrads 0.00 0.00 0.00 0.00
- 2.
Percent limit N/A N/A N/A N/A
- 3.
Gamma Air dose at Site Boundary due to Noble Gas (ODCM Section 1, 1.3.1 a (1) (2))
mrads 0.00 0.00 0.00 0.00
- 4.
Percent limit N/A N/A N/A N/A F. ORGAN DOSE (ODCM Section I, 1.3.b (1) (2))
- 1.
Maximum organ dose to public based on Critical Receptors (child bone) mrem 0.00 0.00 0.00 0.00
- 2.
Percent of limit (7.5 mrem/quarter)
N/A N/A N/A N/A 2006 Big Rock Point Annual Radioactive Effluent Release Report TABLE 2 GASEOUS EFFLUENT RELEASES January 1, 2006 to December 31, 2006 FISSION GASES Units 1ST QTR 2ND QTR 3RD QTR 4TH QTR Krypton-85m Ci 0.00 0.00 0.00 0.00 Krypton-87 Ci 0.00 0.00 0.00 0.00 Krypton-88 Ci 0.00 0.00 0.00 0.00 Xenon-133 Ci 0.00 0.00 0.00 0.00 Xenon-133m Ci 0.00 0.00 0.00 0.00 Xenon-135 Ci 0.00 0.00 0.00 0.00 Xenon-135m Ci 0.00 0.00 0.00 0.00 Xenon-138 Ci 0.00 0.00 0.00 0.00 Total for Period Ci 0.00 0.00 0.00 0.00
- 2.
IODINES Iodine-131 Ci 0.00 0.00 0.00 0.00 Iodine-132 Ci 0.00 0.00 0.00 0.00 Iodine-133 Ci 0.00 0.00 0.00 0.00 Iodine-134 Ci 0.00 0.00 0.00 0.00 Iodine-135 Ci 0.00 0.00 0.00 0.00 Total for Period Ci 0.00 0.00 0.00 0.00 2006 Big Rock Point Annual Radioactive Effluent Release Report TABLE 2 GASEOUS EFFLUENT RELEASES January 1, 2006 to December 31, 2006
- 3.
PARTICULATES*
Units 1ST QTR 2ND QTR 3RD QTR 4TH QTR Chromium-51 Ci N/A N/A N/A N/A Manganese-54 Ci N/A N/A N/A N/A Cobalt-58 Ci N/A N/A N/A N/A Iron-59 Ci N/A N/A N/A N/A Cobalt-60 Ci N/A N/A N/A N/A Zinc-65 Ci N/A N/A N/A N/A Silver-110m Ci N/A N/A N/A N/A Cesium-134 Ci N/A N/A N/A N/A Cesium-137 Ci N/A N/A N/A N/A Barium-140 Ci N/A N/A N/A N/A Europium-152 Ci N/A N/A N/A N/A Strontium-89 Ci N/A N/A N/A N/A Strontium-90 Ci N/A N/A N/A N/A Net unidentified Ci N/A N/A N/A N/A beta Total Ci 0.00 0.00 0.00 0.00
- Particulates with half-life > 8 days Enclosure C 2 Pages Consumers Energy Big Rock Point RADIOACTIVE EFFLUENT RELEASE REPORT LIQUID EFFLUENTS - SUMMATION OF RELEASES January 1, 2006 - December 31, 2006 2006 Big Rock Point Annual Radioactive Effluent Release Report TABLE 3 LIQUID EFFLUENT RELEASES January 1, 2006 to December 31, 2006 A.
FISSION AND ACTIVATION PRODUCTS Units 1ST QTR 2ND QTR 3RDQTR 4TH QTR Est Total Error %
- 1. Total release (not including tritium, Ci 0.00E+00 0.00E+0 0.0OOE+00 0.00E+00 gases, alpha)
N/A
- 2. Average diluted concentration during pCi/ml N/A N/A N/A N/A period
- 3. Percent of EC N/A N/A N/A N/A B.
- 1. Total release Ci 3.1E-4 1.485E-4 0.O0E+00 0.OOE+00
- 1.
Tota releas
- 2. Average diluted concentration during pCi/ml 1.08E-8 5.0E-8 N/A N/A 15%
period
- 3. Percent of EC 1.08E-3 5.0E-3 N/A N/A C.
DISSOLVED AND ENTRAINED GASES
- 1. Total release Ci 0.00E+00 0.00E+00 0.00E+00 0.0OE+00 N/A
- 2. Average diluted concentration during pCi/ml N/A N/A N/A N/A period
- 3. Percent of EC N/A N/A N/A N/A
- 0.
GROSS ALPHA RADIOACTIVITY J
Ci j
.OE00E0 j
.OOE+00 0.00E+00 f
.00E+00 E.
VOLUME OF WASTE RELEASED Liters 1c.94Eo5 1.31 E+06 O.OOE+00 O
.OOE+00 F.
VROLUE OF DILUTION WATER USED DURING 1 Liters I 2.97E7I 2.97E+07 O.OOE+O E0 G.
MAXIMUM DOSE COMMITMENT mrem 1.60E-07 5.98E-07 O.00E+00 0.00E+00 WHOLEBODYI I
% <0.01 1<0.01 0
I0 Percent of ODCM Section 1, 2.3.1 a (1.5 mrem) 1 I_°° o
o o
H.
MAXIMUM DOSE COMMITMENT - ORGAN mrem 1.60E-07 5.98E-07 0.00E+00 0.OOE+00 Percent of ODCM Section I, 2.3.1 b (3.0 mrem)
% J
<0.01
<0.01 0
0 2006 Big Rock Point Annual Radioactive Effluent Release Report TABLE 3 LIQUID EFFLUENT RELEASES January 1, 2006 to December 31, 2006
<LLD
<LLD Manganese 54 Ci
<LLD
<LLD Cobalt-58 Ci
<LLD
<LLD Iron-59 Ci
<LLD
<LLD Cobalt-60 Ci
<LLD
<LLD Zinc-65 Ci
<LLD
<LLD Strontium-89 Ci
<LLD
<LLD Strontium-90 Ci
<LLD
<LLD Molybdenum-99 Ci
<LLD
<LLD Silver-11Orn Ci
<LLD
<LLD Iodine-131 Ci
<LLD
<LLD Cesium-1 34 Ci
<LLD
<LLD Cesium-137 Ci
<LLD
<LLD Antimony-125 Ci
<LLD
<LLD Tin-113 Ci
<LLD
<LLD Net Unidentified Ci
<LLD
<LLD Beta Fission &
Activation Product Ci
<LLD
<LLD Total Xenon-133 Ci
<LLD
<LLD Tritium Ci 3.14E-04 1.49E-04 Grand Total Ci 3.14E-04 1.49E-04 Enclosure D 1 Page Consumers Energy Big Rock Point RADIOACTIVE EFFLUENT RELEASE REPORT SOLID WASTE January 1, 2006 - December 31, 2006 2006 Big Rock Point Annual Radioactive Effluent Release Report TABLE 4 SOLID WASTE SHIPMENT
SUMMARY
January 1, 2006 to December 31, 2006 Waste Source of Solidification Class Waste Aqent AU
- Concrete, metal, and DAW from building demolition None Container Type Metal Box and Exempt Packaging Volume Total (Cu. Ft.)
Curies*
Principal Radionuclides*
263195 1.21E+01 Co-60, Fe-55, Mn-54, Ni-63, Am-241, Pu-241, H-3, Cs-137 TOTALS 263195 1.21E+01
- Gamma isotopes are measured quantities, all others are estimated from scaling factors.
Enclosure E 1 Page Consumers Energy Big Rock Point RADIOACTIVE EFFLUENT RELEASE REPORT LOWER LIMIT OF DETECTION FOR BIG ROCK EFFLUENTS January 1, 2006 - December 31, 2006 2006 Big Rock Point Annual Radioactive Effluent Release Report Gaseous Effluents Nuclide LLD (ICi/cc)*
Mn-54 6 E-14 Co-58 5 E-14 Fe-59 2 E-13 Co-60 9 E-14 Zn-65 2 E-14 Nb-95 6 E-14 Zr-95 8 E-14 Ag-110m 5 E-14 Sb-125 2 E-14 Cs-134 5 E-14 Cs-137 6 E-14 Ce-144 3 E-13 Am-241 2 E-13 Liquid Effluents Nuclide LLD (ICi/cc)*
Mn-54 1 E-07 Co-58 2 E-07 Fe-59 1 E-07 Co-60 3 E-07 Zn-65 3 E-07 Nb-95 1 E-07 Nb-95 1 E-07 Nb-95 1 E-07 Zr-95 3 E-07 Ag-11im 2 E-07 Sb-125 2 E-07 Cs-1 34 2 E-07 Cs-1 37 2 E-07 Ce-144 5 E-07 Am-241 4 E-07
- Based on gamma isotopic analysis for a Typical stack filter and typical liquid batch release