Written question asked by Andrew Bennett (Labour), in the House of Commons. It was due for an answer on Tuesday, 2 April 1996. It was answered by James Clappison (Conservative) on Tuesday, 2 April 1996 on behalf of the Department of the Environment.

Dept of the Environment

Question: On what date Her Majesty's Inspectorate of Pollution revised the standard assessment levels for heavy metals in secondary liquid fuels; and if he will place in the Library the data and analysis which formed the basis of Her Majesty's inspectorate of pollution's decision to revise the standard assessment levels for heavy metals in secondary liquid fuel. - Inc ref to "Environmental, Economic and BPEO Assessment Principles for Integrated Pollution Control" April 1994.

Secondary information