asked the Secretary of State for the Environment if his Department is sponsoring any research on the effect of the excessive use of calcium chloride as a setting agent for cement.

Research carried out at the Building Research Station and elsewhere has already established the corrosion risks associated with the excessive or improper use of calcium chloride in concrete with embedded steel reinforcement.The use of calciunm chloride in reinforced concrete is currently being reviewed by the appropriate Code of Practice Committee of the British Standards Institution.