WATER QUALITY: Technical Information--"A Critique of Methods for Measuring Aquatic Primary Productivity" by Donald A. Goolsby, WRD, Tallahassee, Florida June 1, 1976 QUALITY OF WATER BRANCH TECHNICAL MEMORANDUM NO. 76.18 Subject: WATER QUALITY: Technical Information--"A Critique of Methods for Measuring Aquatic Primary Productivity" by Donald A. Goolsby, WRD, Tallahassee, Florida A copy of the subject paper is attacbed for your information. It concisely describes the strengths and weaknesses of the various methods for measuring primary biological produtivity. Procedures approved by the Water Resources Division for determining primary productivity can be found in "Methods for Collection and Analysis of Biological and Microbiological Samples" (Slack and others, 1973, TWRI, Bk. 5, Ch. A4). Please see that the paper gets adequate circulation among WRD personnel. R. J. Pickering Attachment Distribution: A, B, FO-L, PO,