preamble_12
Whereas, for the purpose of monitoring the required quality, it is necessary to take a regular minimum number of samples of surface water in order that the (1)OJ No C 208, 1.9.1978, p. 2. (2)OJ No C 67, 12.3.1979, p. 48. (3)OJ No C 128, 21.5.1979, p. 4. (4)OJ No C 112, 20.12.1973, p. 1. (5)OJ No L 194, 25.7.1975, p. 34.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-13 · Text as adopted (Official Journal); later amendments are not incorporated in this text.