Symbol of the Biosphere, the logo of the Biosphere Institute was designed to acknowledge that humans belong to this singular organism.
List of data         Methodology         Legal limit for radiation dose

Major accident in one of the four reactors of Tricastin NPP (4 × 2785 MWth)

Possible impact on the inhabitants of :

Genoa (330 km) ITA

Maps of Individual committed effective doses received by inhabitants during the passage of the radioactive cloud (inhalation):
1° Each row of the table represents a different meteorological situation.
2° The hyperlink enables access to the related map.
Maps visible with free Google Earth software! Alternatively, after downloading a map file in KML format, go to google.com/earth/, launch Google Earth, click on "project" then on "open"!
Rank, NPP code, date mSv
1        TRI_2018-05-23 29.68
2        TRI_2021-08-16 23.11
3        TRI_2020-06-09 21.11
4        TRI_2018-05-14 20.31
5        TRI_2017-12-24 19.98
6        TRI_2021-05-18 17.92
7        TRI_2020-09-30 14.68
8        TRI_2018-06-01 12.17
9        TRI_2018-08-31 11.26
10        TRI_2017-04-13 11.03
11        TRI_2017-05-19 10.96
12        TRI_2021-11-27 10.78
13        TRI_2017-04-10 10.71
14        TRI_2018-01-29 9.57
15        TRI_2021-03-24 8.99
16        TRI_2017-03-06 8.26
17        TRI_2017-11-20 7.78
18        TRI_2018-04-24 7.73
19        TRI_2017-02-16 7.50
20        TRI_2017-03-18 7.50
21        TRI_2018-01-30 7.35
22        TRI_2017-10-08 7.33
23        TRI_2020-05-01 7.32
24        TRI_2020-12-24 7.15
25        TRI_2018-07-19 7.12
26        TRI_2018-05-15 6.95
27        TRI_2021-12-20 6.94
28        TRI_2017-07-01 6.80
29        TRI_2017-10-04 6.53
30        TRI_2021-09-18 6.52
31        TRI_2018-06-29 6.50
32        TRI_2021-05-07 6.28
33        TRI_2021-09-12 6.28
34        TRI_2020-10-05 6.26
35        TRI_2020-08-17 6.15
36        TRI_2018-03-06 6.11
37        TRI_2020-10-09 6.09
38        TRI_2017-10-02 6.02
39        TRI_2018-03-14 6.02
40        TRI_2017-05-09 5.94
41        TRI_2020-02-27 5.82
42        TRI_2017-07-23 5.75
43        TRI_2020-06-30 5.74
44        TRI_2017-06-22 5.63
45        TRI_2017-06-04 5.52
46        TRI_2020-03-28 5.35
47        TRI_2018-07-22 5.24
48        TRI_2021-05-26 5.24
49        TRI_2021-05-27 5.19
50        TRI_2021-07-29 5.17
51        TRI_2021-08-30 5.15
52        TRI_2020-09-23 5.09
53        TRI_2018-01-04 5.00
54        TRI_2018-09-03 4.94
55        TRI_2017-10-25 4.91
56        TRI_2017-10-05 4.86
57        TRI_2017-09-17 4.82
58        TRI_2018-07-12 4.79
59        TRI_2018-06-07 4.77
60        TRI_2020-08-18 4.77
61        TRI_2018-07-18 4.76
62        TRI_2020-10-28 4.70
63        TRI_2021-12-31 4.68
64        TRI_2017-02-18 4.65
65        TRI_2017-06-12 4.51
66        TRI_2017-04-21 4.36
67        TRI_2021-06-24 4.36
68        TRI_2020-05-15 4.20
69        TRI_2017-03-19 4.10
70        TRI_2017-11-21 4.09
71        TRI_2021-07-20 4.09
72        TRI_2018-07-14 4.07
73        TRI_2018-06-08 4.04
74        TRI_2018-06-12 3.91
75        TRI_2020-10-13 3.91
76        TRI_2017-09-05 3.88
77        TRI_2021-04-02 3.85
78        TRI_2020-12-05 3.84
79        TRI_2017-03-02 3.81
80        TRI_2020-06-18 3.81
81        TRI_2017-04-09 3.77
82        TRI_2017-11-08 3.76
83        TRI_2017-07-28 3.72
84        TRI_2017-04-22 3.69
85        TRI_2018-09-13 3.61
86        TRI_2017-02-20 3.58
87        TRI_2017-08-23 3.57
88        TRI_2020-06-04 3.57
89        TRI_2021-12-01 3.56
90        TRI_2021-05-06 3.40
91        TRI_2018-03-17 3.39
92        TRI_2021-07-02 3.39
93        TRI_2017-02-19 3.35
94        TRI_2021-09-19 3.29
95        TRI_2018-07-21 3.28
96        TRI_2020-08-14 3.28
97        TRI_2018-07-03 3.27
98        TRI_2018-12-07 3.27
99        TRI_2020-05-12 3.23
100        TRI_2020-06-19 3.22
101        TRI_2020-07-25 3.20
102        TRI_2020-12-22 3.20
103        TRI_2018-04-25 3.18
104        TRI_2020-07-08 3.15
105        TRI_2020-01-01 3.12
106        TRI_2021-06-23 3.12
107        TRI_2021-08-05 3.11
108        TRI_2021-05-05 3.06
109        TRI_2017-09-16 3.03
110        TRI_2021-03-25 3.01
111        TRI_2017-12-05 2.98
112        TRI_2020-08-31 2.98
113        TRI_2021-10-21 2.98
114        TRI_2020-07-02 2.95
115        TRI_2021-07-14 2.95
116        TRI_2021-05-13 2.93
117        TRI_2020-01-30 2.92
118        TRI_2020-10-16 2.91
119        TRI_2017-09-20 2.88
120        TRI_2017-05-03 2.84
121        TRI_2017-05-22 2.84
122        TRI_2018-02-08 2.82
123        TRI_2020-06-11 2.79
124        TRI_2020-12-06 2.78
125        TRI_2021-03-27 2.72
126        TRI_2017-08-04 2.71
127        TRI_2021-08-22 2.69
128        TRI_2020-12-27 2.65
129        TRI_2020-06-02 2.64
130        TRI_2021-02-17 2.64
131        TRI_2017-08-08 2.62
132        TRI_2020-07-26 2.60
133        TRI_2020-08-26 2.56
134        TRI_2020-01-31 2.55
135        TRI_2017-12-14 2.54
136        TRI_2021-02-08 2.51
137        TRI_2021-12-28 2.50
138        TRI_2017-05-04 2.49
139        TRI_2018-05-13 2.49
140        TRI_2021-07-08 2.49
141        TRI_2020-08-25 2.46
142        TRI_2021-05-15 2.42
143        TRI_2017-12-31 2.40
144        TRI_2021-08-04 2.37
145        TRI_2017-10-07 2.35
146        TRI_2020-07-19 2.35
147        TRI_2020-10-06 2.35
148        TRI_2021-06-22 2.33
149        TRI_2017-09-15 2.32
150        TRI_2018-05-31 2.32
151        TRI_2020-05-05 2.31
152        TRI_2021-11-30 2.29
153        TRI_2021-12-18 2.25
154        TRI_2020-07-22 2.23
155        TRI_2020-06-13 2.22
156        TRI_2017-07-11 2.21
157        TRI_2021-11-04 2.16
158        TRI_2017-06-21 2.15
159        TRI_2017-08-31 2.12
160        TRI_2021-06-05 2.12
161        TRI_2021-10-04 2.12
162        TRI_2021-08-08 2.09
163        TRI_2018-04-23 2.08
164        TRI_2020-07-29 2.08
165        TRI_2018-03-29 2.07
166        TRI_2018-09-02 2.07
167        TRI_2021-04-19 2.05
168        TRI_2018-11-24 1.99
169        TRI_2018-01-18 1.94
170        TRI_2018-07-08 1.92
171        TRI_2017-07-27 1.91
172        TRI_2021-08-26 1.90
173        TRI_2020-04-24 1.86
174        TRI_2021-12-30 1.80
175        TRI_2020-02-23 1.78
176        TRI_2021-05-22 1.76
177        TRI_2017-10-10 1.75
178        TRI_2018-04-01 1.75
179        TRI_2020-10-30 1.74
180        TRI_2017-06-25 1.72
181        TRI_2021-11-19 1.70
182        TRI_2017-06-24 1.65
183        TRI_2017-04-23 1.64
184        TRI_2018-05-22 1.64
185        TRI_2020-07-23 1.64
186        TRI_2020-12-08 1.63
187        TRI_2020-03-12 1.62
188        TRI_2021-11-20 1.61
189        TRI_2020-07-27 1.59
190        TRI_2017-04-12 1.58
191        TRI_2018-09-22 1.58
192        TRI_2020-07-21 1.58
193        TRI_2021-06-13 1.58
194        TRI_2017-03-17 1.57
195        TRI_2017-12-23 1.57
196        TRI_2018-07-20 1.57
197        TRI_2021-04-05 1.57
198        TRI_2018-08-29 1.54
199        TRI_2021-02-14 1.54
200        TRI_2020-02-13 1.53
201        TRI_2021-03-11 1.53
202        TRI_2020-06-28 1.52
203        TRI_2020-08-22 1.50
204        TRI_2017-09-04 1.48
205        TRI_2020-06-29 1.47
206        TRI_2021-11-02 1.45
207        TRI_2018-01-03 1.44
208        TRI_2020-10-31 1.44
209        TRI_2021-07-11 1.44
210        TRI_2020-02-02 1.43
211        TRI_2018-09-14 1.41
212        TRI_2021-02-01 1.41
213        TRI_2021-11-01 1.41
214        TRI_2018-04-12 1.40
215        TRI_2021-01-04 1.40
216        TRI_2020-01-13 1.39
217        TRI_2017-09-08 1.38
218        TRI_2020-10-17 1.38
219        TRI_2021-05-01 1.37
220        TRI_2021-07-05 1.37
221        TRI_2021-08-19 1.37
222        TRI_2017-12-15 1.33
223        TRI_2021-06-29 1.33
224        TRI_2021-10-05 1.33
225        TRI_2018-12-19 1.30
226        TRI_2017-06-06 1.28
227        TRI_2021-04-08 1.27
228        TRI_2018-12-23 1.25
229        TRI_2020-05-22 1.25
230        TRI_2021-08-29 1.23
231        TRI_2017-09-13 1.22
232        TRI_2021-06-30 1.22
233        TRI_2017-12-06 1.21
234        TRI_2020-05-21 1.21
235        TRI_2020-06-07 1.21
236        TRI_2018-10-24 1.20
237        TRI_2020-06-23 1.20
238        TRI_2017-09-14 1.19
239        TRI_2017-12-08 1.19
240        TRI_2020-05-04 1.19
241        TRI_2021-07-10 1.19
242        TRI_2021-11-03 1.19
243        TRI_2020-12-31 1.18
244        TRI_2018-06-04 1.17
245        TRI_2018-07-09 1.17
246        TRI_2021-05-25 1.17
247        TRI_2021-08-20 1.17
248        TRI_2021-02-07 1.13
249        TRI_2018-09-20 1.10
250        TRI_2017-06-20 1.09
251        TRI_2020-02-24 1.09
252        TRI_2018-03-13 1.06
253        TRI_2018-07-04 1.06
254        TRI_2018-05-11 1.02
255        TRI_2020-07-20 1.02
256        TRI_2021-05-12 1.02
257        TRI_2017-06-05 1.01
258        TRI_2018-06-28 0.99
259        TRI_2021-03-13 0.99
260        TRI_2018-09-21 0.98
261        TRI_2017-09-09 0.97
262        TRI_2021-12-12 0.97
263        TRI_2018-03-12 0.96
264        TRI_2020-02-25 0.96
265        TRI_2017-10-03 0.95
266        TRI_2021-12-27 0.93
267        TRI_2020-04-29 0.92
268        TRI_2018-03-18 0.91
269        TRI_2017-04-27 0.90
270        TRI_2017-08-09 0.90
271        TRI_2021-08-13 0.90
272        TRI_2020-12-29 0.88
273        TRI_2020-09-05 0.86
274        TRI_2021-04-01 0.86
275        TRI_2018-07-26 0.85
276        TRI_2020-09-25 0.85
277        TRI_2018-08-23 0.84
278        TRI_2020-06-01 0.84
279        TRI_2017-10-28 0.83
280        TRI_2018-01-31 0.83
281        TRI_2020-09-06 0.83
282        TRI_2020-10-18 0.83
283        TRI_2021-05-14 0.80
284        TRI_2021-07-07 0.80
285        TRI_2017-06-30 0.79
286        TRI_2021-02-09 0.79
287        TRI_2018-01-16 0.78
288        TRI_2017-09-30 0.77
289        TRI_2018-03-28 0.77
290        TRI_2021-07-15 0.77
291        TRI_2021-12-04 0.77
292        TRI_2017-03-16 0.75
293        TRI_2018-06-16 0.75
294        TRI_2020-08-13 0.75
295        TRI_2017-02-21 0.74
296        TRI_2020-06-17 0.72
297        TRI_2017-06-23 0.71
298        TRI_2020-10-10 0.71
299        TRI_2017-01-12 0.70
300        TRI_2021-08-15 0.70
301        TRI_2018-03-03 0.69
302        TRI_2020-08-01 0.69
303        TRI_2021-02-02 0.69
304        TRI_2021-03-10 0.68
305        TRI_2017-08-07 0.67
306        TRI_2020-03-11 0.67
307        TRI_2021-07-03 0.67
308        TRI_2021-01-28 0.66
309        TRI_2017-07-03 0.65
310        TRI_2020-01-06 0.65
311        TRI_2020-09-28 0.65
312        TRI_2021-08-06 0.65
313        TRI_2017-07-21 0.64
314        TRI_2018-02-14 0.63
315        TRI_2018-08-22 0.63
316        TRI_2021-07-19 0.62
317        TRI_2017-02-03 0.61
318        TRI_2017-06-09 0.61
319        TRI_2020-08-29 0.61
320        TRI_2017-04-07 0.60
321        TRI_2017-10-24 0.60
322        TRI_2021-05-11 0.60
323        TRI_2017-03-22 0.59
324        TRI_2020-09-21 0.58
325        TRI_2021-05-16 0.55
326        TRI_2017-08-06 0.54
327        TRI_2020-01-03 0.54
328        TRI_2018-10-28 0.53
329        TRI_2020-04-23 0.53
330        TRI_2021-05-20 0.53
331        TRI_2021-01-08 0.52
332        TRI_2021-05-03 0.52
333        TRI_2021-12-10 0.52
334        TRI_2017-05-24 0.51
335        TRI_2018-12-13 0.51
336        TRI_2020-04-12 0.50
337        TRI_2020-09-24 0.50
338        TRI_2021-02-25 0.49
339        TRI_2020-04-01 0.48
340        TRI_2017-02-23 0.46
341        TRI_2021-08-03 0.45
342        TRI_2018-06-30 0.44
343        TRI_2018-12-22 0.42
344        TRI_2021-07-28 0.42
345        TRI_2018-06-11 0.41
346        TRI_2018-06-20 0.41
347        TRI_2020-03-08 0.39
348        TRI_2018-02-15 0.37
349        TRI_2020-02-14 0.37
350        TRI_2021-07-21 0.36
351        TRI_2021-11-13 0.36
352        TRI_2017-12-30 0.35
353        TRI_2020-08-03 0.35
354        TRI_2020-11-18 0.35
355        TRI_2021-07-18 0.35
356        TRI_2020-08-27 0.34
357        TRI_2020-10-26 0.32
358        TRI_2021-12-19 0.32
359        TRI_2021-09-16 0.31
360        TRI_2017-09-21 0.30
361        TRI_2018-02-01 0.29
362        TRI_2018-07-07 0.28
363        TRI_2020-01-29 0.28
364        TRI_2021-06-11 0.28
365        TRI_2020-04-28 0.27
366        TRI_2020-07-09 0.27
367        TRI_2021-08-02 0.27
368        TRI_2017-11-13 0.26
369        TRI_2020-04-25 0.26
370        TRI_2020-08-30 0.26
371        TRI_2021-01-27 0.26
372        TRI_2017-07-04 0.25
373        TRI_2017-12-12 0.25
374        TRI_2020-06-10 0.25
375        TRI_2020-12-01 0.25
376        TRI_2021-05-08 0.25
377        TRI_2018-05-09 0.24
378        TRI_2017-05-23 0.23
379        TRI_2021-06-12 0.23
380        TRI_2017-09-03 0.22
381        TRI_2017-09-06 0.22
382        TRI_2018-11-04 0.22
383        TRI_2017-09-07 0.20
384        TRI_2020-01-17 0.20
385        TRI_2020-07-30 0.20
386        TRI_2020-08-19 0.20
387        TRI_2021-04-18 0.19
388        TRI_2017-04-26 0.18
389        TRI_2018-05-02 0.18
390        TRI_2020-04-22 0.17
391        TRI_2020-06-06 0.14
392        TRI_2020-12-20 0.14
393        TRI_2021-08-27 0.14
394        TRI_2021-11-06 0.14
395        TRI_2018-10-29 0.13
396        TRI_2018-03-02 0.12
397        TRI_2018-11-30 0.12
398        TRI_2021-07-01 0.12
399        TRI_2021-07-04 0.12
400        TRI_2021-07-13 0.12
401        TRI_2018-08-11 0.11
402        TRI_2020-01-26 0.11
403        TRI_2020-07-15 0.10
404        TRI_2020-10-24 0.10
405        TRI_2020-08-15 0.09
406        TRI_2017-08-13 0.08
407        TRI_2020-07-24 0.08
408        TRI_2020-08-21 0.08
409        TRI_2017-02-05 0.06
410        TRI_2020-05-23 0.06
411        TRI_2017-02-15 0.05
412        TRI_2018-05-25 0.05
413        TRI_2017-01-01 0.00
414        TRI_2017-01-02 0.00
415        TRI_2017-01-03 0.00
416        TRI_2017-01-04 0.00


  See additional explanation after the below links
The first 8 localities are placed according to 8 cardinal points at about 30 km from Tricastin, the following localities are ranked according to the severity of the health impact in decreasing order: Meisse →N (FRA)         Dieulefit →NE (FRA)         Nyons →E (FRA)         Gigondas →SE (FRA)         St‑Geniès →S (FRA)         Fontarèches →SE (FRA)         Vagnas →W (FRA)         St‑Maurice d'Ardèche →NW (FRA)         Orange (FRA)         Montélimar (FRA)         Avignon (FRA)         Arles (FRA)         Privas (FRA)         Nîmes (FRA)         Valence (FRA)         Istres (FRA)         St‑Rambert‑d'Albon (FRA)         Vienne (FRA)         Aix‑en‑Provence (FRA)         Annonay (FRA)         Alès (FRA)         Marseille (FRA)         Villefranche‑sur‑Saône (FRA)         Lyon (FRA)         Cannes (FRA)         Mâcon (FRA)         Montpellier (FRA)         Bourgoin‑Jallieu (FRA)         Annecy (FRA)         Toulon (FRA)         Sanremo (ITA)         Nice (FRA)         Saint‑Tropez (FRA)         Feurs (FRA)         Cuneo (ITA)         Draguignan (FRA)         Genève (CHE)         Béziers (FRA)         St‑Étienne (FRA)         Monaco (MCO)         Lausanne (CHE)         Sisteron (FRA)         Roanne (FRA)         Torino (ITA)         Perpignan (FRA)         Pinerolo (ITA)         Bourg‑en‑Bresse (FRA)         Châtillon‑en‑Diois (FRA)         Issoire (FRA)         Grenoble (FRA)         Figueras (ESP)         Neuchâtel (CHE)         Alessandria (ITA)         Carcassonne (FRA)         Mende (FRA)         Bellegarde‑sur‑Valserine (FRA)         Digne (FRA)         Le Puy (FRA)         Chignin (FRA)         Vichy (FRA)         Pisa (ITA)         Gap (FRA)         Fribourg (CHE)         Savona (ITA)         Bologna (ITA)         Mulhouse (FRA)         Albi (FRA)         L'Alpe d'Huez (FRA)         Alba (ITA)         Dijon (FRA)         Bern (CHE)         Strasbourg (FRA)         Moulins (FRA)         Girona (ESP)         Genoa (ITA)         St‑Jean‑de‑Maurienne (FRA)         Nancy (FRA)         La Spezia (ITA)         Rodez (FRA)         Clermont‑Ferrand (FRA)        

See the potential impact on the following geographical areas:          Europe (51 countries)         Spain          France          Italy          Switzerland 


ADDITIONAL EXPLANATION ON THE TABLE
1° The radioactivity comes from the passage of the cloud in the hours following an accident;
2° The above individual doses do not include soil irradiation or ingestion of contaminated food after the passage of the cloud;
3° These figures are estimates;
4° SEE COMMENTARY ON LOW AND HIGH DOSES.

5° The calculations are not derived using the map in the illustration, but from another map – of the same format as the one for download on our website to study deposition – which explains some discrepancies between the figure and its illustration.
6° The analysis of the 11 situations producing the maximum fallout allows us to establish the highest risk for a given city, i.e., the consequences of weather situations occurring in 1% of the cases.
7° The above data allow for the identification of the meteorological conditions that would have the worst impact on the area in question, as well as those that would keep radioactivity away. In the event of a major accident at the nuclear power plant concerned, a quick comparison of this analysis with the then prevailing meteorological conditions could be very useful to act as decentralized as possible; local authorities could keep these analyses as ready references to better and more rapidly deploy population protection strategies.




Photo cropped from the work of Marianne Casamance, CC BY-SA 4.0, via Wikimedia Commons
Tricastin, France, pressurized water reactor (PWR), 4 × 2785 megawatts thermal (MWth)