CHALLENGE 1
2. At the station, chlorination of drinking water, located in the suburb of oaks collapsed neobvalovannaya container containing chlorine GT (ρ = 1,56 t / cu. M). Cloud contaminated air is distributed in the direction of the town, on the outskirts of which, of R km from the station, the store is located. The terrain is open, the wind speed in the surface layer V m / s; convection. At the time of the accident in the store are N people, and ensure their gas masks brand of CO was X%.
Determine the size and area of the zone of chemical contamination, contaminated air during the approach to the city, while the harmful effect of the chlorine, as well as possible loss of people caught up in the store.

G, ie 5
R, 2.0 km
V, m / s 3
N, 100 people
X 30%

TASK 2
12. Make an assessment of the air pollution emissions of the village TES coal-fired, based on data on annual average concentrations of harmful substances.

SO2, mg / m3 0.20
NO2, mg / m3 0.20
V2O5, mg / m3 0.008