Int. Kongr. Ges. f. Strahlenschutz „20 Jahre nach Tschernobyl“ Berlin
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Physicians of Chernobyl: Health Consequences of the Chernobyl Catastrophe. Strategy of Recovery. International Conference Kyiv, Ukraine, May 29 – June 3, 2006 How reliable are the dose estimates of UNSCEAR for populations contaminated by Chernobyl fallout? A comparison of results by physical reconstruction and biological dosimetry Inge Schmitz-Feuerhake and Sebastian Pflugbeil Society for Radiation Protection, Berlin, Germany Насколько надежны показатели допустимых доз для населения Научного комитета ООН по изучению воздействия атомной радиации (UNSCEAR) после Чернобыльской аварии? Сравнение результатов физической и биологической дозиметрии Инге Шмитц-Фойерхаке, Себастиан Пфлугбайль Общество радиационной защиты, Берлин, Германия Interchromosomal aberrations 30 km Evacuation Zone Mean effective dose estimate reported by UNSCEAR/WHO: 14 mSv Acute radiation effects reported by Imanaka & Koide 2000 Dose estimate of Pröhl et al. (HP 2002): adults 6-330 mSv; 1 year old child 13-880 mSv Estimate of external dose by Imanaka & Koide (2000): 20-320 mSv Biological dosimetry in lymphocytes of random collectives Dic dicentric chromosomes, cr centric rings Region Sample Date of investigation Evacuees from 43 adults 1986 Prypiat and nearby Method Dic Authors Remarks Maznik et al. 1997 Result of the cited authors 430 mSv 15-fold No overdispersion Maximum 18-fold in 1987, then decline but staying sign. elevated circ 100-fold*) Mikhalevich et al. 2000 Maznik 2004 Result of the cited authors 400 mSv Result of the author 360 mSv Sevan´kaev et al. 1993 Dose calculation after IAEA (1991) 1-8 mSv DeVita et al. 2000 Pilinskaya et al. 1999 Bezdrobnaia et al. 2002 Evacuated zone 60 children 1986 Evacuees from Prypiat and nearby 102 adults 10 children 1987-2001 Dic+cr Evacuated zone 244 children 1991 Evacuated from Pripyat Evacuated zone 24 children 1991-1992 Dic circ 3-fold*) 12 adults 1995 7-10 fold*) Evacuation zone, 33 adults, not residents evacuated *) Estimation by the writers Dic+cr Results Mean elevation & specialities 18-fold No overdispersion Dic+cr Dic+cr 1998-1999 Dic+cr 5.5-fold Gomel and Gomel region Biological dosimetry in lymphocytes of random collectives Dic dicentric chromosomes, cr centric rings Sample 43 pregnant women 18 infants 8 persons 330 healthy adults Tralo translocations Date of Method investigation 1986-1987 Dic+cr 1988-1990 Dic+cr 46 patients with hematol. malignancies 35 adults 1988-1990 Dic+cr Tralo, FISH 1988-1990 Dic+cr Tralo, FISH 1990 Dic 36 children 20 children 1994 1996 70 children 1996 *) Estimation by the writers Dic Tralo, FISH Dic+cr Results Mean elevation & specialities 5-fold 40-fold circ 40-fold*) 15-fold 6.5-fold (6-18)-fold (6.5-16)-fold circ 30-fold*) overdispersion; 2 multiaberrant cells (3.2-8)-fold 3-fold significant 18-fold Authors Feshenko et al. 2002 Serezhenkov et al. 1992 Domracheva et al. 2000 Domracheva et al. 2000 Verschaeve et al. 1993 Barale et al. 1998 Scarpato et al. 1997 Gemignani et al. 1999 Remarks Comparison with ESR Controls from Pisa 10 years after the accident !! Highly contaminated regions 37 kBq/m2 Biological dosimetry in lymphocytes of random collectives Dic dicentric chromosomes, cr centric rings Region Ukraine/Lugyny district Malahovka Russia/Kaluga region Mladenik Ogor Russia/Bryansk region Clynka Yordevka Klincy Russia/Kaluga region Uljanovo Chicdra Kaluga-Bryansk region Uljanova district 137 Cs kBq/m2 Sample 130 children Date of investigation 1988-1990 Method Dics+cr Results Mean elevation & specialities Increase to 6.6fold in 1990 Authors Remarks Eliseeva et al. 1994 Effect not explainable by 137Cs 140 43 17 adults 16 adults 1989 Dic+cr circ 5-fold*) circ 2-fold*) Bochkov et al. 1991 633 444 230 61 adults 432 adults 170 adults 1989-1998 Dic+cr 7-fold 1.5-fold 2-fold Sevan´kaev 2000 140 100 666 adults 548 adults 200 1989-1998 4-fold 2.5-fold Chicdra district 100 Ukraine region 550 333 children & juveniles 407 children & juveniles 6 adults Bryansk and Bryansk region Bryansk region Mirnye 550 1300 1992 1100 100 adults 1993 *) Estimation by the writers Dic+cr 3-fold 1991 Dic 3.7-fold no decline circ 5-fold*) unstable; stable cr 1990-2003 5 % 400 mSv 1 % 1000 mSv 4-fold 6 multiaberrant cells 2 multiaberrant cells 27 multiaberrant cells Sevan´kaev et al. 2005 Ganina et al. 1994 Vorob´ev et al. 1994 Salomaa et al. 1997 physical estimates (to 2001) 11.4 mSv and 6.7 mSv physical estimate 17-35 mSv multiaberrant cells Controls from Krasnye Rog 37 kBq/m2 (Dics 0,43%, multiaberrant cells 2) Chromosome aberrations in lymphocytes of persons living in West European regions contaminated by Chernobyl releases; dic dicentric chromosomes, cr centric rings 1 Region Sample Date of study Method Salzburg, Austria1 Germany, Alps region2 Norway, selected regions3 16 adults 1987 29 children + adults 44 reindeer sames 12 sheep farmers Pohl-Rüling et al. 1991 2 Remarks dic+cr Results mean elevation 6-fold 19871991 dic+cr circ 3-fold 6 cells with 2 dic 1991 dic+cr 10-fold Stephan, Oestreicher 1993 3 Physical dose estimate 0.1-0.5 mSv Brogger et al. 1996 ≤1.6 mSv 5.5 mSv 9 8 Dic rate x 10-3 7 6 5 4 3 2 1 0 1984 1985 1986 1987 1988 1989 1990 1991 Mean rate of dic+cr in 2 citizens of Salzburg (Pohl-Rüling et al. 1991)
