Secretary of State's guidance : bitumen and tar processes /
Great Britain.Department of the Environment.
Great Britain.Scottish Office.
Great Britain.Welsh Office.
Great Britain.Environmental Protection Act 1990, Part 1.
London : HMSO,
1994.
Caption title.
At head of title: Environmental Protection Act 1990, Part 1.
PG6/42(94)
"Processes prescribed for air pollution control by local authorities"