lesson 12 - Occupational Safety and Health Standard 4

Question 1

– These include human waste, industrial waste water, flood water, and others from different sources.

Answer 1

Liquid Wastes

Question 2

Classification of Wastes According to their Properties

Answer 2

biodegradable
non-biodegradable

Question 3

– These are wastes that can be decomposed by bacteria and other microorganisms

Answer 3

biodegradable

Question 4

takes place in liquid and solid wastes, such as human and animal wastes, food wastes, and agricultural wastes.

Answer 4

Decomposition

Question 5

– These are wastes that do not decompose. These wastes are accumulated in the environment and can be recycled like plastic, plastic containers, cans, and others.

Answer 5

Non-biodegradable

Question 6

Classification of Wastes According to their Effects on Human Health and Environment

Answer 6

Hazardous Wastes
nonhazardous Wastes

Question 7

– These are wastes generated from commercial , industrial and agricultural activities that are toxic and may pose threats to the environment. Ex. Paints, mortar oil, insecticides and etc.

Answer 7

Hazardous Wastes

Question 8

– These are waste materials that are not considered hazardous like papers, cardboards, wrappings and etc.

Answer 8

Nonhazardous Wastes

Question 9

Five Steps of Waste Management are:

Answer 9

reduce
reuse
recycle
recover
dispose

Question 10

– To minimize the amount of waste being produced.

Answer 10

Reduce