RESEARCH - Tritium as a tracer in ground-water studies



                           UNITED STATES
                    DEPARTMENT OF THE INTERIOR
                         GEOLOGICAL SURVEY
                     Water Resources Division
                        Washington 25, D.C.

In reply refer to:                              April 1, 1958
                                                Code 4053 0001

GROUND WATER BRANCH MEMORANDUM NO. 58.42

To:       District Chiefs and Staff Officials, Ground Water Branch

From:     Acting Chief, Ground Water Branch

Subject:  RESEARCH - Tritium as a tracer in ground-water studies

Enclosed for your files is a reprint of a AWWA Journal article by
W.J. Kaufman and G.T. Orlob on their evaluation of certain
radioactive and chemical tracers for use in studying ground-water
movement.  An objective appraisal of this AWWA article and of an
earlier report by the authors was presented by L.L. Thatcher of
the Quality of Water Branch in the November 10, 1957, issue of the
Water Resources Bulletin.



                               (s) Clyde S. Conover

Enclosure

Distribution:  A, G, GFO