Tests:
1. The radius of the use of wells should be: a) not less than 500 m; b) not more than 500 m c) not more than 100 m d) not less than 1 km d) not more than 2 km
2. The distance between the wells and pit latrines? a) 100-150 m b) 50-100 m c) 25-50 m d) 25-30 m d) 30-50m
3. The distance between the wells and buildings for cattle? a) 20-25 m b) 5-10 m c) 10-15 m d) 10-20 m
d) 30-50 m
4. What are the different intakes at the place of the water supply? a) riverbed and bucket b) coastal and fluvial c) well and beregovik d) water wells and koptazhi SPRING d) bucket and well.
5. Reasons for groundwater pollution are: a) atmospheric vodostabilnost horizon b) rain and meltwater c) entering into soil agricultural minerals g) infiltration of open reservoirs d) infiltration of wastewater
1. Source of the local water supply: a) interstratal pressure b) groundwater c) non-pressure interstratal g) Ocean d) river
2. Characteristics of groundwater: a) water between layers of impermeable

b) between the water permeable layers c) water between permeable and impermeable layers d) the water close to the surface of the Earth is the soil moisture d) the water formed from precipitation
3. In what ways is dangerous contaminated groundwater? a) in respect of an epidemic b) in respect to organoleptic c) the chemical composition d) toxicological properties of substances d) arrangement of the character
4. Name the underground water sources centralized water supply. a) interstratal, pressure, lakes, groundwater. b) groundwater, reservoirs, seas and oceans; c) reservoirs, lakes, ponds, House; d) ground, interstratal pressure and non-pressure, fractured and karst water; d) the oceans, rivers, lakes, and holding tanks.
5. Assessment of groundwater quality for short circuit is carried out on the following parameters: a) organoleptic properties, chemical research tank. analysis; b) radioactivity, organoleptic properties, toxicological endpoint; c) chemical, toxicological, radioactive; g) bacteriological, toxicological, radioactivity; d) toxicology, radioactive.
6. In the accompanying form indicating: a) The name, location, address water source, purpose, date and hour of sampling, by whom and signature;

b) water, packaging, the presence of microorganisms; a) the purpose of disinfection, residual chlorine and odor; g) the purpose of coagulation, the presence and the rest of the coagulant; d) the purpose of clarification, the presence of chemicals.
7. When water sampling, which document is filled? a) orders. description; b) program; c) accompanying; g) act; e) protocol.
8. For a brief analysis of how sanitary water come from? a) 10 liters; b) 13 l; c) 2 liters; g) 20 l; d) 100 liters;
9. How much water do you need for a complete analysis of health? a) 30 liters; b) 20 l; c) 15 l;
g) 10 l; d) 5 l;
10. How much water is taken for bacterial analysis?
a) 10 liters;
b) 15 l;

c) 5 l;
d) 3 L;
d) 0.5 l;
11. What kind of dishes are used for sampling in the tank. analysis?
a) sterile utensils poetilenovaya
b) lapped with sterile cork bottle
c) clean plastic utensils
g) a hot water-washed tableware
d) petri plates.
12. Specify the frequency of cleaning and disinfection of clean water reservoir:
a) at least 1 time per year
b) not more than 2 times per month
c) daily
d) 1 to 3 times a year
e) 1 time per month.13. The time required for periodic medical examinations staff in the water supply headworks:
a) 2 times per quarter
b) 1 yearly
c) 6 times a year
g) 1 time per month
d) 1 time per quarter
14. What are the requirements for hygienic storage ESTATES bleach?
a) should be cold, wet light
b) should be cool, dry, dark, well-ventilated
c) should be open, light

g) should be bright, tightly closed
d) must be sealed, light.
15. List of sanitary-bacteriological indicators epidemic safety of water:
a) bacterial count, coliform titer coli index
b) microbial count, BOD, if titer
c) microbial count, COD, MIC
g) aureus, coliform titer coli index
d) Staphylococcus bacterial count, coliform titer