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Initial Variant
data 0 1 2 3 4 5 6 7 8 9 10

Harmful substance ammonia hydrogen sulfide soot chlorine carbone monoxide nitrobenzene vapors of sulfuric acid phosphoric anhydride acetone naphthalene sulfur dioxide

M, g/s 0,065 0,135 2,60 0,20 2,7 0,08 0,1 0,165 1,1 1,2 12

h, m 11 15 20 23 25 28 30 33 35 36 35

D , m 0,8 0,9 1,0 1,2 1,3 1,4 1,6 1,4 1,5 1,6 1,4
0
t , С 125 222 251 243 180 190 200 110 130 140 125
1
t , С 20 21 22 23 24 25 26 25 24 27 25
2

ω , 5 6 7 8 9 8 7 7 6 6 7
0
m/s

Task 4.2
In the air of production facilities was observed the following harmful
substances:
№ Harmful MAC, Influence on state of human health
substance mg/m 3

1 sulfur dioxide 0,3 toxin (respiratory system), toxin (cardio-

vascular system)

2 soot 0,4 carcinogen, toxin (respiratory system)

3 benzene 0,2 carcinogen, neurotoxin, toxin(cardio-
vascular system)

4 hydrogen sulfide 0,8 irritable, sensitizer

5 benzpyrene 0,5 mutagen, carcinogen

6 lead oxides 0,3 neurotoxin, mutagen, carcinogen

Make conclusions about safety stay in the production facilities and if
necessity give recommendation.

Task 4.3

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