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Distance
from the Amount of Depth of Width of Ammount of
№ chemically toxic Toxic the the population
dangerous which lives in
object to substance substance settlement settlement the settlement,
settlement Q 0, t D, km W, km P, people
L, m

(storage
under
pressure)

26 15 400 chlorine 5 3 6000

27 10 70 ammonia 6 3 9000
(storage
under
pressure)

28 5 10 chlorine 7 4 10000

29 5 20 ammonia 7 3 11000
(storage
under
pressure)

Task 6.2. As a result of an accident on the chemically dangerous object was
spilled toxic substance on the underlying surface with amount of spilled hazardous
chemical Q tons. To carry out an emergency forecast for a period of 2 hours after an
0
accident. Data should be taken from table 6.13 in accordance with the number of
variant.

Table 6.13 – Data for solving Task 6.2
Categories of
stability of the
Amount atmosphere
0
№ of toxic (degree of Wind t, C
Toxic substance vertical air speed,
substance resistance – (m/s)
Q 0, t
DVAR)

1 chlorine 70 inversion 3 0

2 ammonia (storage under 100 isotherm 2 +20
pressure)

3 sulphurous anhydride 50 inversion 1 +20

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