Saxon State Agency of Environment, Agriculture and Geology (LfULG) Issues of the department 53 Radiation protection

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1 Saxon State Agency of Environment, Agriculture and Geology (LfULG) Issues of the department 53 Radiation protection

2 Outline Organization of the public authorities The administrative structure Implementation tasks Legal bases Authorization Remediation objects Approval process Radiation protection at remediation projects administrative issues Supervision Administrative issues Baseline, environmental and remediation monitoring Scientific-technical tasks 2 December 6, 2012 Dr. Klaus Flesch

3 Competencies and issues of the LfULG The administrative structure 3 December 6, 2012 Dr. Klaus Flesch

4 The administrative structure Authorities in Saxony for environmental issues Supreme authority Saxon State Ministry of Environment and Agriculture (SMUL) Subordinate official authority Government-owned enterprise Saxon State Agency for Environment, Agriculture and Geology (LfULG) Saxon state company for environment and agriculture (BfUL) Environmental radioactivity 4 December 6, 2012 Dr. Klaus Flesch

5 Competencies on the Administrative Level in Saxony SMUL LfULG BfUL Supreme state authority for environmental radioactivity and radiation protection Guidance and supervision of the subordinate authorities Public interests Execution of the legal bases (approvals, releases) Supervisory control Evaluation of the radiation protection monitoring Measurements Data acquisition und data evaluation Quality assurance 5 December 6, 2012 Dr. Klaus Flesch

6 Organization of the public authorities Implementation tasks 6 December 6, 2012 Dr. Klaus Flesch

7 Implementation tasks LfULG, dep. 53 Radiation protection Approvals on radiation protection for the remediation of contaminated sites or legacies of the former uranium mining (in the GDR) Supervisory controls at the Wismut sites and other legacies Processing/management of notices for releases according to the part 3 of German radiation protection ordinance Management of the requests concerning radiation protection issues as part of the representatives of public interests (TÖB) Evaluation of radon at working places and in buildings 7 December 6, 2012 Dr. Klaus Flesch

8 Competencies and issues of the LfULG Legal bases 8 December 6, 2012 Dr. Klaus Flesch

9 Legal bases for the remediation of contaminated Wismut sites According the German Radiation Protection Ordinance ( 118), on the territory of the former GDR in regard to the remediation of residues of earlier practices and work activities as well as the decommissioning and remediation of plant facilities and operating sites for uranium mining, the following provisions shall continue to apply: VOAS & DB VOAS HaldAO 1. Ordinance on the Guarantee of Nuclear Safety and Radiation Protection of 11 October 1984 in addition to implementation provisions for the Ordinance on the Guarantee of Nuclear Safety and Radiation Protection of 11 October Order for the Guarantee of Radiation Protection in Dumps and Industrial Sedimentation Installations and for the Use of Materials Stored therein of 17 November December 6, 2012 Dr. Klaus Flesch

10 VOAS & HaldAO Legal provision Relevant paragraphs VOAS 4 Requirement of an authorization for use of radioactive materials with activity values above 0.2 Bq/g 9-12 Justification, Optimization, Exposure limits ( Indicative value: 1 msv per year for members of the public) HaldAO 2 Regulations relating to a change of the legal ownership or of the right of use 3 and annex 1 10 December 6, 2012 Dr. Klaus Flesch Control measures to be operated at waste rock piles and at tailings ponds 4 Requirement of an authorization for the remediation work at waste rock piles and at tailings ponds that have an effect on the environment and for re-use of rehabilitated areas 9 Monitoring for controlling the effects of remediation measures

Guidelines / Recommendations Recommendations of the German Commission on Radiation Protection (deutsche Strahlenschutzkommission (SSK) ) Calculation Guide Mining of the Federal Office for Radiation

11 Guidelines / Recommendations Recommendations of the German Commission on Radiation Protection (deutsche Strahlenschutzkommission (SSK) ) Calculation Guide Mining of the Federal Office for Radiation Protection (Berechnungsgrundlagen Bergbau BglBb) Directive on Emission and Immission Monitoring regarding Mining of the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (Richtlinie zur Emissions- und Immissionsüberwachung Bergbau REI Bergbau) Guideline for Radiological Analysis and Appraisal of abandoned mining sites (Leitfaden zur radiologischen Untersuchung und Bewertung bergbaulicher Altlasten) 11 December 6, 2012 Dr. Klaus Flesch

Licensing Procedure - Basic Principles Authorization requirements For the

2 Bq/g, a permission on radiation protection is required.

over 50 y), 5 msv/a (guidance level, short-term) 12 December 6, 2012 Dr.

12 Licensing Procedure - Basic Principles Authorization requirements For the handling with radioactive substances above 0.2 Bq/g, a permission on radiation protection is required. Limit values Employees : 20 msv/a Population: 1 msv/a (guidance level, long-term over 50 y), 5 msv/a (guidance level, short-term) 12 December 6, 2012 Dr. Klaus Flesch Basic principles Justification All measures of remediation must be justified by a benefit. Optimization ALARA (as low as reasonable achievable)

13 Authorization Remediation objects 13 December 6, 2012 Dr. Klaus Flesch

Wismut GmbH Administrative agreement Usually

14 Radiologically relevant objects in Saxony Wismut sites Old Legacy sites Other radioactive legacies Wismut GmbH Administrative agreement Usually private industry 14 December 6, 2012 Dr. Klaus Flesch

Demolition of radioactive contaminated facilities or buildings Flooding of underground mines

15 Remediation projects Wismut sites and Old Legacy sites Remediation of waste rock piles Safe encapsulation of the tailings ponds Rehabilitation of facility areas of the former uranium mining Demolition of radioactive contaminated facilities or buildings Flooding of underground mines Performance and monitoring of water treatment plants Period Start 1990 End 15 December 6, 2012 Dr. Klaus Flesch

16 Authorization The approval process 16 December 6, 2012 Dr. Klaus Flesch

17 Elements of the approvals Application for authorization for remediation Preliminary & Approval planning Radiological/ environmental assessment Radiation protection instruction Authorized remediation projects since 1990 Wismut sites 420 Old Legacy sites December 6, 2012 Dr. Klaus Flesch

18 The approval process Application for authorization for remediation Information about the location, the planning horizon and the nature/extent of the handling with radioactive substances The content and argumentation for the application (justification, optimization ) Information about the exposure pathways Approval planning with detailed description of the design of the remediation project Radiological / environmental assessment with exposure scenarios for the employees and the members of the public The radiation protection instruction for the employees 18 December 6, 2012 Dr. Klaus Flesch

19 Communication Applicant / Authority Submission of a written application adressed to the competent authority Presentation of the main features of the application by the applicant in a pre-application conference Technical discussion / professional exchange Consultation procedure Sending a draft proposal by the authority to the applicant to give him the opportunity to comment The applicant states his agreement to the draft proposal Giving the final approval to the applicant 19 December 6, 2012 Dr. Klaus Flesch

20 Authorization Radiation protection at remediation objects the administrative issues 20 December 6, 2012 Dr. Klaus Flesch

the amount of seepage water Prevention of a direct contact to waste rock pile material Elimination of dusting from exposed

21 Criteria from the point of view of radiation protection for remediation projects Operational concepts (1) Waste rock piles Reduction of the radon exhalation especially nearby housing areas Minimization of the external gamma radiation Reduction of the amount of seepage water Prevention of a direct contact to waste rock pile material Elimination of dusting from exposed waste rock surfaces Before remediation Hammerberghalde in Bad Schlema (Germany) After remediation 21 December 6, 2012 Dr. Klaus Flesch

to tailings Installation of seepage treatment plants Stabilization and solidification of the tailings pond and its dams

22 Criteria from the point of view of radiation protection for remediation projects Operational concepts (2) Tailings ponds Reduction of the amount of seepage water Elimination of dusting from exposed dried tailings Prevention of a direct contact to tailings Installation of seepage treatment plants Stabilization and solidification of the tailings pond and its dams Before remediation 1991 Tailings pond at the Crossen site, Germany During remediation December 6, 2012 Dr. Klaus Flesch

23 Supervision Administrative issues 23 December 6, 2012 Dr. Klaus Flesch

24 Supervisory control LfULG and BfUL Supervisory review directly on-site Measures for radiation protection and environmental protection Control of ancillary provisions Optimization of working processes at remediation sites Extern supervision concerning specific issues at the remediation object Supervision of reports that are required by the approval Control of monitoring programs Base monitoring (groundwater, surface water, air path) Control measurements during the remediation processes Technical supervision by the BfUL 24 December 6, 2012 Dr. Klaus Flesch

25 Control of monitoring programs BfUL Determination of the radionuclide discharge and immission Determination of the radiation dose of the employees Determination of the radiation dose of the members of the public living close to the remediation object during remediation and after completion of all measures Examination of the evidence that the remediation objectives are reached Control of the issues for maintenance 25 December 6, 2012 Dr. Klaus Flesch

26 Supervision Technical issues 26 December 6, 2012 Dr. Klaus Flesch

Technical issues BfUL, Division 2 Field and laboratory measurements: Sampling

Determination of artificial and natural radionuclides in solids, fluids (e.g.

gamma-ray spectroscopy, Detection of the surface contamination, Gamma dose

27 Technical issues BfUL, Division 2 Field and laboratory measurements: Sampling of solids and fluids Gamma-ray spectroscopy Alpha-particle spectroscopy Determination of artificial and natural radionuclides in solids, fluids (e.g. ground water, surface water), agricultural products and foodstuffs In-situ gamma-ray spectroscopy, Detection of the surface contamination, Gamma dose rate, Activity concentration of radon and its progenies. 27 December 6, 2012 Dr. Klaus Flesch

Supervisory control at Wismut sites BfUL, Division 2

points of the Wismut GmbH for the performance of an

measurement Measurement of the Ra-226 deposition at

long-lived alpha emitters Measurement of the activity

28 Supervisory control at Wismut sites BfUL, Division 2 Reporting-date related sampling of water at discharge points of the Wismut GmbH for the performance of an inter comparison tests Control survey / Comparison measurement Measurement of the Ra-226 deposition at waste rock sites or tailings ponds Determination of the long-lived alpha emitters Measurement of the activity concentration of radon in the atmosphere 28 December 6, 2012 Dr. Klaus Flesch

29 Baseline and remediation monitoring Wismut GmbH Baseline monitoring Remediation monitoring (site specific) Determination of the spacious environmental situation LfULG / BfUL Emission and Immission Control measurements Radiation protection of the workers Control of the remediation measures Control of the remediation results Comparison measurement 29 December 6, 2012 Dr. Klaus Flesch

emitters Water path Gamma-ray spectroscopy 44 44 161 17

30 Volume of measurements (2011) Emission / Immission Wismut GmbH LfULG / BfUL Air path Radon Long-lived alpha emitters Water path Gamma-ray spectroscopy ICP-MS (U nat. ) December 6, 2012 Dr. Klaus Flesch

31 Scientific-technical issues LfULG, dep. 53 Radiation protection Evaluation of the radiation protection monitoring Survey for Radon at working places and in residential houses Developing and management of research projects Development and maintenance of the register of natural radioactivity in Saxony ( Kataster für natürliche Radioaktivität in Sachsen KANARAS) Legal and technical supervision on the BfUL 31 December 6, 2012 Dr. Klaus Flesch [Bq/m³] (Sommer) (Winter) (Sommer) (Winter) Linear ( (Sommer)) Linear ( (Sommer)) 0 Jan. 02 Jan. 03 Jan. 04 Jan. 05 Jan. 06 Jan. 07 Jan. 08 Jan. 09 Jan. 10 Jan. 11 Jan. 12

32 32 December 6, 2012 Dr. Klaus Flesch

INVESTIGATIONS AND RADIOLOGICAL ASSESSMENT OF MINING RESIDUES AND SITES IN GERMANY. E. Ettenhuber Federal Office for Radiation Protection

INVESTIGATIONS AND RADIOLOGICAL ASSESSMENT OF MINING RESIDUES AND SITES IN GERMANY E. Ettenhuber Federal Office for Radiation Protection ABSTRACT Mining and processing uranium bearing ores, in particular