HC Deb 16 January 1995 vol 252 cc281-2W
Mr. Pickthall

To ask the Secretary of State for Transport (1) what is his estimate of the extent of the use of tin slag as drainage material under railway tracks.

(2) what is the level of radioactivity in tin slag used as drainage material under railway tracks.

Mr. Watts

Tin slag is not used by Railtrack as a drainage material under railway tracks, nor was it used previously by British Rail.

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