safe wastage disposal

Question 1

what is waste ?

Answer 1

unwanted or unusable materials

Question 2

what is the aim of sewage treatment ?

Answer 2

to improve the quality of wastewater to a level where it can be safely reused for agriculture purposes

Question 3

what is the main source of waste ?

Answer 3

construction

Question 4

what is the most prevalent method of solid waste disposal ?

Answer 4

landfill

Question 5

what is the benefit of controlled sanitary landfill ?

Answer 5

methane gas produced by anaerobic decomposition can be recovered for use

Question 6

what are the disadvantages of open dumping ?

Answer 6

1. foul smell
2. provides a medium for germs, viruses and vermin to breed, and becomes a source for many diseases
3. open dumping can contaminate the ground water and soil

Question 7

what are biogas methods ?

Answer 7

animal wastes to be used for production of methane for energy produced for home or general use

Question 8

what is composting ?

Answer 8

a process involving biological decomposition of organic waste into humus which is used as a fertilizer

Question 9

what is incineration ?

Answer 9

involves converting waste materials into ash flue gas and heat

Question 10

when is incineration used ?

Answer 10

when a suitable land for controlled landfill is not available

Question 11

what is the best way to dispose hazardous hospital waste ?

Answer 11

incineration

Question 12

what type of toxic gases are released due to incineration ?

Answer 12

dioxins and furans

Question 13

what items can go into the composite boxes ?

Answer 13

soiled paper
fruit peels
UCLA food containers

Question 14

what type of items can go into the landfill box ?

Answer 14

plastic bottles with liquid
cans with liquid
coffee cups
paper towels

Question 15

what kind of items can go into the recyclable items ?

Answer 15

milk/juice cartons 
glass bottles 
coffee lids and sleeves 
newspapers 
plastic bottles

Question 16

what is hospital waste ?

Answer 16

any waste which is generated in the diagnosis, treatment or immunization of human beings or animals or in research

Question 17

what are the categories of hospital waste ?

Answer 17

infectious waste 
pathological waste 
sharp waste 
chemical waste 
pharmaceutical waste 
cytotoxic waste 
radioactive waste 
non-hazardous waste

Question 18

what is the process of hospital waste management ?

Answer 18

sorting
handling
interim storage
final disposal

Question 19

where should the sorting stage occur ?

Answer 19

color coded bags at the place where it is generated

Question 20

what are red bins in the sorting stage used for ?

Answer 20

anatomical waste , infectious and pathological

Question 21

what are the yellow bins in the sorting stage used for ?

Answer 21

radioactive waste

Question 22

where should handling happen ?

Answer 22

within the facility

Question 23

when should medical waste and sharps container be discarded ?

Answer 23

when they are about three quarters full or at least once a day

Question 24

what is interim storage ?

Answer 24

storing waste within the facility until it can be transported for final disposal

Question 25

how should radio-active waste be handled ?

Answer 25

must be kept in special containers (lead)

Question 26

how is pharmaceutical waste handled ?

Answer 26

returns to the pharmacy in the hospital to deal with

Question 27

how are sharps dealt with ?

Answer 27

are shredded then incinerated

Question 28

how is general waste handled ?

Answer 28

managed as any domestic waste controlled landfill

Question 29

what are grey/black bags used for inn the sorting stage ?

Answer 29

general waste