Air Quality Standards are legal limits placed on levels of air pollutants in the ambient air during a …
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Other vectors of concern in displaced population camps those can cause diseases are: 1. Lice : among the …
Control mosquitoes populations will depend on the mosquito species: 1. Anopheles – malaria There are various strategies to …
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When controlling flea-borne diseases such as plague and murine typhus, never attack the rodents before first getting rid …
Certain types of organic, inorganic and radioactive substances are present in the industrial waste in minute suspended or …
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Write short note on the pretreatment of industrial wastes Industrial wastes mainly consists of the following: 1. effluents …
Classification of wells Depending on the method of construction, wells are classified as follows: 1. Dug wells or …
Depending on the source of water the types of intake works are classified as follows: 1. Lake intake …
Requirements of a good distribution system: 1. It should convey the treated water up to the consumers with …
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Advantages of asbestos pipes 1. They are light and hence easy to transport. 2. They can be easily …
Read moreAdvantages and disadvantages of asbestos pipes 2023