Practical Assignments. 1.Standard legislative regulations using in order to estimate hygienic assessment of soil according to the scenario – based tasks.

1.Standard legislative regulations using in order to estimate hygienic assessment of soil according to the scenario – based tasks.

2. Hygienic requaments carried out technique of soil samples for sanitary-chemical, sanitary-bacteriological analyses.

5. QUESTIONS FOR SELF-PREPARATION:

5.1. Concept of soil and humus. Their hygienic significance.

5.2. Enumerate basic components of the soil and its hygienic significance.

5.3. What are the main sources of soil pollution?

5.4. Specify criteria of sanitary cleanliness of soil?

5.5. Which microbiological indicators describe fresh faecal contamination of soil? What measures should be taken in this case?

5.6. What belongs to the direct and indirect indicators of soil pollution?

5.7. Describe procedure of estimation chemical pollution of soil?

5.8. Enumerate limiting MAC parameters, carried out in the soil?

5.9. Describe a term "biogeochemical province".

5.10. Found out examples of natural (endogenous) and anthropogenic biogeochemical provinces.

5.11. Enumerate major endemic diseases, transfer from soil?

5.12. Define the concept of "buffering" or “buffer value”.

5.13. Specify the common intestinal infections, transferring from polluted soil? Which of them are the most dangerous to humans?

5.14. Which sanitary measures focused on the prevention of soil pollution?

6. STRUCTURE AND OCCUPATION MAINTENANCE:

Occupation is carried out at the educational audience. The control of initial level of knowledge is spent by tests. Student’s research standard documents to the hygienic assessment of soil, control questions of the theme are discussed. Each student receives a scenario – based task and estimates sanitary condition of soil, according to requirements of hygienic assessment of soil. At the final part of occupation students carries out hygienic conclusion, sign reports.

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