Aggregates Mr. Walden To ask the Secretary of State for the Environment what is the latest date by which comments on the recently published aggregates demand forecasts should be submitted to his Department for them to be taken into account in the revision of MPG6. Mr. Yeo My Department has not specified any time limit for comments to be made on the forecasts. But to enable views to be taken into account in the preparation of the draft revised guidelines we would welcome comments within the next four months.