WATER, QUALITY - Minor Element Reconnaissance - October 1970 MEMORANDUM NO: WD71.032 DOCUMENT TYPE: WD NUMBER: 71.032 ISSUE DATE: 10/09/70 PRIMARY SUBJECT: WATER, QUALITY ABSTRACT: MINOR ELEMENT RECONNAISSANCE - OCTOBER 1970 STATES THAT WRD IS INITIATING A NATIONWIDE RECONNAISSANCE FOR SELECTED HEAVY METALS AND MINOR ELEMENTS IN THE NATION'S SURFACE WATERS. ASKS EACH DISTRICT TO OBTAIN A SPECIFIED NUMBER OF SAMPLES SOMETIME DURING THE PERIOD OCTOBER 1-15 AT THREE TYPES OF SAMPLING LOCATIONS: (1) THE SURFACE-WATER SOURCES OF THE PUBLIC WATER SUPPLIES OF PRINCIPAL CITIES; (2) DISTRIBUTION: A, S, FO-L DISTRIBUTION DATE: / / STATUS: CURRENT SUPERSEDES: SUPERSEDED BY: