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Determine safety stay in the closed working facilities out of accumulation in
it carbone monoxide duaring 2 hours with velocity 1,0 g/hour. Maximum allowable
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3
concentration of carbone monoxide 20 mg/m , volume of facilities 80 m .

6 REVISION QUESTIONS
1. What is the maximum allowable concentration of chemicals in the air?
2. Provide the classification of harmful substances by their effects on the
human body.
3. What are the main sources of air pollution?
4. How many classes of danger of harmful substances do you know?
5. How can chemicals enter the body?
6. How are chemicals classified according to their practical use?

6 REFERENCES
1. Kryvenko G. Life Safety. Lecture notes – Ivano-Frankivsk: IFNTUOG,
2016. – 114p.
2. Безпека життєдіяльності: навч. посіб. / Г.М. Кривенко, Я.М. Семчук,
Л.Я. Савчук, І.О. Камаєва – Івано-Франківськ: ІФНТУНГ, 2010 – 461 с.

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