Control OBZH

Ready meet the challenges of life safety
1. On one of the chemical plants, located in the suburb of oaks collapsed neobvalovannaya container containing GT sulfur dioxide (ρ = 1,46 t / cu. M). Cloud contaminated air is distributed in the direction of the town, on the outskirts of which, of R km from chemical enterprises, is a shop. The terrain is open, the wind speed in the surface layer V m / s; isotherms. 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 sulfur dioxide, as well as possible loss of people caught up in the store.
What actions should be taken to ensure the safety of people caught up in the store? How to behave if you were under the influence of sulfur dioxide in the open air? How to provide first aid stricken sulfur dioxide?
2. Make an assessment of quality of drinking water sources of the village on the degree of risk of contamination by chemicals. Bring the most common causes of surface water pollution, as well as methods to reduce this pollution.