Group 1: Sites with known off-site impact
Group 2: Confirmed soil and/or groundwater impact above risk levels and no remediation carried out. Evidence of buried waste.
Group 3: Sites suitable for current use but potentially requiring further remediation to meet more stringent safety criteria (residential)
Group 4: Unconfirmed site conditions
Group 5: Sites investigated, no remediation required
High
High
High
High
High
Medium
Medium
Medium
Medium
Medium
Low
Low
Low
Low
Low