WATER QUALITY: Analytical Methods - Carbon May 17, 1973 QUALITY OF WATER BRANCH TECHNICAL MEMORANDUM NO. 73.17 Subject: WATER QUALITY: Analytical Methods - Carbon The attached material describing analytical procedures for carbon analysis has been prepared by Ronald Malcom and the staff of the Organic Geochemistry Project and reviewed by the Organic Task Group. It is being distributed as a supplement to TWRI Book 5, Chapter A3, "Methods for analysis of organic substances in water," and replaces the section under Part II entitled "Carbon, all forms." Sections C and D as listed in the outline on the cover page are not included in the package, but will be distributed in the near future. Other revisions and additions to Book 5, Chapter A3 will be dis- tributed as supplements until such time as a complete revision of Chapter A3 is justified. R. J. Pickering Chief, Quality of Water Branch Attachment WRD Distribution: A, FOLS, PO