Power Point 14 - 15 Asbestos and Hazardous Waste

Question 1

List the 3 different types of asbestos and their colour

Answer 1

Chrysotile (White)
Amosite (Brown)
Crocidolite (Blue)

Question 2

List 3 types of effects on health asbestos has

Answer 2

Lung cancer
Mesothelioma
Asbestosis

Question 3

How long can the delay between exposure of asbestos and the adverse health systems take?

Answer 3

It can take anywhere from 15 to 60 years

Question 4

List 3 applications in which asbestos has been used

Answer 4

Decorative finishes - (Artex, Plaster and floor tiles)
Accessories - (flash guards, matting, fuse carriers and distribution board covers)
Insulation storage compartments - Vessels and pipework

Question 5

List the 3 steps you must take when you suspect asbestos

Answer 5

If unsure of material STOP work and find out
Assume if it looks like asbestos it is
The person in charge must then investigate

Question 6

List the 6 things you must do when working with asbestos

Answer 6

1 - Keep the materials damp whilst working with them
2 - Only use hand tools
3 - Ensure you use PPE including a respirator not a dust mask
4 - Clean as you go and don’t pile up waste
5 - Use special ‘Type H’ Vacuum cleaner
6 - Always wash after working inc for breaks

Question 7

List the 4 things you must not do when working with asbestos

Answer 7

1 - Use power tools
2 - Take overalls home to wash - only use disposable type
3 - Eat or drink in the work area
4 - Smoke, as risk for lung cancer is already increased

Question 8

List the 5 things you must do when in charge and asbestos is present

Answer 8

1 - Identify area of concern
2 - Prevent exposure 
3 - Ban use of power tools 
4 - Enclose the work and use dust extraction 
5 - Dampen the material

Question 9

How must you dispose of hazardous waste?

Answer 9

It must be packaged, labeled then taken to a licensed disposal site

Question 10

Who enforces waste management laws?

Answer 10

Waste management laws are enforced by the environment agency and local authorities

Question 11

All waste produced on site can present a real safety hazard to workers if it is not properly managed throughout the project. What must you do to limit these hazards?

Answer 11

Decide how waste streams produced during building work will be managed in a timely and effective way

who is responsible for the collection and disposal of specific wastes produced on site; problems often arise when employer and employee duties are not made clear before work starts

Question 12

List some 4 for waste management on a work site

Answer 12

1 - Flammable materials - Ensure all flammable materials such as packaging and timber off cuts are cleared away regularly

2 - Work areas - Make sure the clearing of waste is a priority for all trades and everyone is aware of what is required

3 - Skips -make use of skips to store waste safely

4 - Waste within buildings - Consider waste generated inside the building and weather wheelie bins/ chutes must be used for easy disposal

Question 13

What are the 3 principal destinations for waste generated on a site

Answer 13

1 - Recycling
2 - Hazardous waste
3 - Landfill

Question 14

What are the 4 hazardous waste categories?

Answer 14

1 - Always hazardous - Lead, batteries or fluorescent tubes
2 - Never hazardous - edible oils
3 - May or may not be hazardous - ink or paint
4 - Special waste - harmful to human health, flammable, corrosive or eco toxic

Question 15

What are 6 examples of Special waste?

Answer 15

1 - Treated timber 
2 - Concrete additives 
3 - Contaminated oils 
4 - Preservatives
5 - Lead-acid batteries 
6 - Fluorescent light tubes

Question 16

What are the 4 benefits of good waste management?

Answer 16

1 - Lower disposal costs
2 - Avoidance of waste transport costs
3 - Greater re-use of materials on site
4 - Lower material waste

Question 17

What must you do if you discover hazards in the environment?

Answer 17

Report immediately to line manager
Warn others
if effects can be safely reduced the attempt to do so