Effect of Road Tar on Fish.
Page 6
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The Board of Agriculture and the Road Board have appointed a joint subcommittee to arrange for experiments to be carried out to ascertain whether there is any foundation for the allegation that tar-treated roads are a source of danger to fisheries; if so, to what extent; and what measures can be taken to minimize or obviate the possible danger. The sub-committee consists of ;—Dr. Jee, chemical adviser to the Board of Agriculture; Dr. Hammond Smith, scientific adviser to the Salmon and Trout Association; Mr. W. J. A. Butterfield, F.I.C,, consulting analytical chemist to the Read Board; and Mr. W. J. Taylor, county surveyor of Hampshire
In the meantime, the Road Board are urging highway authorities to exercise the greatest care in the execution of all surface tarring work. Refined tar and tar of a grade not lower than Road. Board specification only should be used. Where possible, provision should -be made by way of catch-pits, gravel beds, drains on to grass margins, or any other
method available, to prevent surface water from tar-treated roads running directly into streams. The Road Board recommend exchange of information on this subject between highway and local fishery authorities,