§ 53. Mrs. Walleyasked the Secretary of State for the Environment what information he has, as to the amount of pollution in the North sea caused by British rivers.
Rivers N P CD HG CU PB ZN CR NI As Forth 818 — 1.7 0.1 38.5 12.7 65.6 8.5 13.1 — Tyne 876 190 1.3 1.4 9.4 6.9 490.4 3.3 5.0 8.6 Tees 1,752 219 0.6 0.6 5.9 8.8 20.5 0.6 1.1 2.9 Humber 41,537 584 3.4 0.7 114.2 122.0 355.6 60.7 123.9 20.2 Thames 31,280 110 1.5 1.1 21.7 40.5 58.0 13.0 32.4 1.6 Others 34,477 2,336 2.5 1.0 76.3 83.1 455.4 33.5 74.0 13.4 110,740 3,439 11 4.9 266 274 1,445.5 119.6 249.5 46.7 Percentage of total riverine inputs to the North sea from British rivers: 11 4.5 22 23 20 28 20 Information from other countries is incomplete.