Sea and River Water (Pollution)

Part of Oral Answers to Questions — Ministry of Health – in the House of Commons at 12:00 am on 16th December 1957.

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Photo of Mr Derek Walker-Smith Mr Derek Walker-Smith , Hertfordshire East 12:00 am, 16th December 1957

Though the mechanism of testing is there, one of the difficulties is that the conclusions can be assessed only by scientific people trained in evaluating the meaning of material of this kind. There are practical difficulties in incorporating such technical conclusions in a satisfactory way on posters exhibited to the general public.