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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)

24 ammonia (storage under 70 isotherm 2 0
pressure)

25 hydrogen sulfide 30 inversion 2 +20

26 formaldehyde 50 isotherm 1 –20

27 chloropicrin 70 inversion 2 +20

28 chlorine 50 isotherm 4 0

29 formaldehyde 50 inversion 3 +20

5 REVISION QUESTIONS
1. What do hazardous chemicals include?
2. What is meant by MAC (Maximum Allowable Concentration)?
3. Describe the effect of chemicals on the body.
4. Are there any factors affecting the response to a substance?
5. In what form do cab chemicals exist?
6. How do chemicals enter the body?
7. How many types of forecasting the consequences of an accident on
chemically hazardous facility or vehicle do you know?

6 REFERENCES
The main sources:
1. Зеркалов Д.В. Цивільний захист: навч. посіб. / Д. В. Зеркалов, Ю. В.
Міхеєв, О. В. Землянська. – К.: НТУУ «КПІ». 2013. – 233 с.
2. Allen, D.T. and Rosselot, K.S. (1996). Pollution Prevention for Chemical
Processes, Wiley, New York.

Internet sources:
3. Code of Civil Protection of Ukraine.

http://zakon4.rada.gov.ua/laws/show/5403-17.
4. Hazardous Chemicals Handbook. Second edition.
http://ccc.chem.pitt.edu/wipf/Web/HCH.pdf

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