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Variant
Parameters
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Time of accident at
the NPP 6:00 7:00 8:00 2:00 0:30 1:00 2:00 6:30 7:30 8:30 2:30 1:30 11:30 12:30 13:30

(T accid. , h, min.)

Period of the day Day Day Day Night Night Night Night Day Day Day Night Night Day Day Day

Cloudiness No Aver Over No No No No No Aver Aver No No Aver No Aver
age
age cast
age
age
age
Wind speed at a
height of 10 m 1 2 3 4 5 6 1 2 2 4 5 6 1 2 4

(V , m/s)
10
Direction of the
wind – from NPP to
object of economic 15 30 45 60 90 120 150 180 210 240 270 300 330 0 15
activity (azimuth,
β ,)
v

Measurement time
of the radiation level
at the facility 8:00 10:00 10:30 4:00 3:00 3:30 4:00 10:00 11:00 11:30 5:00 3:30 13:30 15:00 16:00
(astronomic)

(T meas. , h, min.)

Radiation level at
the time of
measurement
relative to the 0.01 0.02 0.015 0.02 0.025 0.01 0.012 0.015 0.02 0.025 0.01 0.012 0.015 0.02 0.025
accident

(P t meas., rad/hour)

The start time of the
object
contamination
9:00 11:00 13:30 5:00 4:00 4:30 5:00 11:00 12:00 12:30 5:30 4:30 14:30 15:30 16:30
( the time of the
beginning stay
(work) in

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