(a) Item No. In table I of this Part an item number is assigned to each specifically designated waters or portions thereof.

(b) Class as appearing in table I, as the letters A, B or C opposite each specifically designated waters, means class A, B or C as the case may be, as set forth in Part 701, supra.

(c) Standards as appearing in table I, as the letters A, B or C opposite each specifically designated waters, shall mean the standards of quality and purity established for class A, B or C, as the case may be, as set forth in Part 701, supra.

(d) Name as appearing in table I of this Part shall mean the name, if any, by which the specifically designated waters are generally known and which may appear on the reference maps. In cases of specifically designated waters which have no name, the named tributary to which the unnamed waters are tributary is indicated as far as possible.

(e) Description as appearing in table I of this Part shall mean a brief indication as to the location of she specifically designated waters. Entries may include designations of segments or sections of waters to which a particular assignment of a class and standards shall apply. Entries may also include any useful information pertinent to the classification and standards.

(f) Map ref. no. as appearing in table I of this Part means map reference number and indicates one or more of the following numbered maps reproduced herein completely, or in part, on which the specifically designated waters and their index numbers are shown. The following maps were produced from original maps which may be procured through the Washington Distribution Section, Geological Survey.