Life Cycle Assessments

Question 1

Life Cycle Assessments (LCA) are Used to Access the Impact on the Environment Caused by:

Answer 1

• Getting and Processing the Raw Materials.
• Making the Product.
• Using, Reusing and Maintaining the Product.
• Disposing of a Product at the End of its Useful ‘Life’.

Question 2

An LCA is Carried Out By:

Answer 2

• Listing All the Energy and Material Inputs and All the Outputs into the Environment.
• Evaluating the Potential Environmental Impacts From these Inputs and Outputs.
• Interpreting the Results to Help Make Decisions about Using One Material, Process, Product or Service Over Another.

Question 3

Stages in an LCA?

Answer 3

Raw Material Extraction –> Manufacture –> Use/Reuse/Maintenance –> Recycle/Waste Management.

Question 4

Data is Available for the Use of Energy, Water, Resource Consumption and Production of Some _________.

Answer 4

Wastes.

Question 5

Assigning Numerical Values to the Relative Effects of Pollutants Involves Subjective _________________, so LCAs Using this Approach Must Make this Uncertainty Clear.

Answer 5

Judgements.