4.1 Sources and uses of waste
4.1.1 Describe sources of water in UK
4.1.2 Identfy water uses of your own organisation or department
4.2 Use of water
4.2.1 Find out how water usage is measured in your department or organisation
4.2.2 Identify the costs of water usage
4.2.3 Determine levels of water usage
4.3 Manage and reduce impact of water use
4.3.1 Identify ways to reduce water use
4.3.2 Produce a plan to reduce water use
4.3.3 Identify methods of encouraging staff to reduce water usage and to suggest new initiatives