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DESTINATION Monitor and evaluation of occupational exposure gives information about workplace hazards and helps find solutions to protect people. The Government of the Republic of Lithuania resolution constitutes that the “State Register of sources of ionizing radiation and occupational exposure” permanently observes and controls professional irradiance. Purpose of Register of ocuupational exposure (hereinafter – Register) is to collect, register, treat and systematise, store and give data directed by law, about workers, who work with sources of ionizing radiation, professional irradiance. LEGAL BASE Constitutor and trimmer of State Registers of sources of ionizing radiation and occupational exposure details The Republic of Lithuania’s Law on Radiation Protection. The Government of the Republic of Lithuania resolution No 460 and resolution No 651 on 25th May of 1999 “On the Establishment of the State Register of Radiation Sources and Exposure to Workers and Approval of its Statute modification” (adopted on 9th may of 2007) regulate Registers sources, sources handling and security and is in correlation with another registers. The Order No V-675 of the Minister of Health of 24th August 2009 On the Approval of the Procedure of Submission Data about Sources of Ionizing Radiation and Data about Radiation Workers to the State Register of Sources of Ionizing Radiation and Exposure of Workers defines the order of the account and control of the sources. The order instructs the license possessor/holder to prepare paperwork and send it to the register authorities. There must be: • Report about workers, who just start work with sources or finish work with them, in 10 day terms (11 attachment).
Lithuanian Hygiene Standard HN 83:2004 “Radiation Protection and Safety of outside Workers” adopted by the Order No. V-889 on 9th December 2004 by the Minister of Health Care establishes the requirements for radiation protection and safety for outside workers, who work in a controlled zone, to protect them from potential detrimental ionizing radiation and fix worker sending companies, worker engaged companies and outside worker positions and responsibility, establishes states supervising and control in this area. CONTACTS For more information, please contact Radiation protection centre Division of Radiation Protection Supervision and Control Subdivision of state register of sources of ionizing radiation and exposure doses of workers chief specialists Diana Nikitina d.nikitinaATrsc.lt Valdemar Jankovskij v.jankovskijATrsc.lt
Last update 2009-09-17
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DATA OF REGISTER
Data on workers occupational exposure is accumulated since 1992, data on occupational exposure at Ignalina nuclear power plant (hereinafter – Ignalina NPP) – since 1983. Data about workers doses amounts change in Register is given in 1st picture.
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Figure 2. Average doses of workers of personal health care institutions (medical doctors) in 2008
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Summarize all data, we affirm, that we doesn’t register any occupational exposure higher then they are approved in standards. Data about occupational exposure average for some professions in 2008 is given in Table 1.
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Table1. Data about occupational exposure average for some professions in 2008 Type of practice, profession
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Number of workers
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Average individual dose in the annum, mSv
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| Medical institution |
2835
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| Doctors |
1253
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| X-ray diagnostics |
345
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0,26
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Stomatology
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425
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0,16
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Tomography
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91
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0,16
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Interventional radiology and cardiology
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69
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1,34
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Nuclear medicine
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11
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0,29
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Radiation therapy
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49
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0,15
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Veterinary
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8
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0,34
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Other
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254
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0,36
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Nurses
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1390
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X-ray diagnostics
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822
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0,22
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Stomatology
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137
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0,17
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Tomography
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109
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0,17
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Interventional radiology and cardiology
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101
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0,98
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Nuclear medicine
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32
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0,84
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Radiation therapy
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61
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0,25
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Other
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128
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0,43
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Medical support staff
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192
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X-ray diagnostics
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95
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0,29
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Interventional radiology and cardiology
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18
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0,68
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Nuclear medicine
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7
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0,19
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Radiation therapy
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13
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0,22
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Other staff, overall
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59
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0,15
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| Industrial objects |
130
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0,71
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| Radiography |
103
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0,76
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| Other |
27
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0,19
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| Education and research institution |
108
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0,1
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| Other |
135
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0,22
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| Overall |
3208
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In year 2008 the registry added 6796 values of effective exposure doses, 2315 of them was Ignalina NPP workers average doses, 1271 outside workers who work in Ignalina NPP and guests average doses. Workers who were detached to other institutions got outside worker passes. Pass have information about exposure doses for last five years. In the year 2008 - 106 passes were issued.
Ignalina NPP workers average annual doses value is 0,95 mSv, outside workers and guests – 0,77 mSv. This number of workers according to range of annual exposure doses in 2008 is given in Table 2.
Table 2. Workers quantity according to range of annual exposure doses in 2008
Type of practice, profession
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Number of workers
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Average individual dose in the annum, mSv
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Ignalina NPP
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2315
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2189
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63
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53
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0
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Ignalina NPP (outside workers and guests)
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1271
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0,77
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1211
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0-5
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14
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5-10
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46
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10-20
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0
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>20
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| Overall |
3586
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Our location |
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Kalvarijų 153,
LT-08221, Vilnius
ph. +370 5 236 19 36
fax +370 5 276 36 33
rsc@rsc.lt
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Vadovaujantis Radiacinės saugos centro direktoriaus 2008 m. sausio 31 d. įsakymu Nr. 5 „Dėl Asmenų aptarnavimo ir jų prašymų, skundų ir pranešimų nagrinėjimo Radiacinės saugos centre taisyklių patvirtinimo“, asmenys Radiacinės saugos centre aptarnaujami pirmadieniais ir trečiadieniais 8.00 – 17.00 val., antradieniais ir ketvirtadieniais 8.00 – 18.00 val., penktadieniais 8.00 – 15.45 val. (pietų pertrauka 12.00 – 12.45 val.) Vilniuje, Kalvarijų g. 153, 103 kabinete, tel. (8 5) 236 1936, faks. (8 5) 276 3633, el. paštas rsc@rsc.lt.
The web site was updated under the auspices of Swedish Radiation Safety Institution (now SSM)
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