k - demas oe Nae cd ~ Ka le ees how SET oe gh Figure 5. The Honolulu survey. course. ue OMS, Kors Tener mine Ee PMNs "aa oe kage ee Paoren Anttaw te hese ee sorter Har Woheb ae rats tanto oneem aang . Fee Wee RS Track of the TANEY during Operation Troll. TANEY proceeded west-south-west on a straight course, and arrived at on March 5, Two days were spent in refueling and rigging the ship for the On March 7 the ship continued from Honolulu on the same west-south-west The survey of water and plankton samples began on March 9 at 129 N, 176° E and continued until arrival at Kwajalein on March 12. The TANEY refueled and on March 13 left Kwajalein to traverse the waters about Eniwetok and Bikini. The first samples of flying fish were obtained here in addition to the scheduled samples. On March 20 a smali boat was put off and obtained samples of reef fish and coral from one of the northern islands of Truk Atoll. The survey continued to Guam where the TANEY arrived on March 22. During March 22 and 23, reef fish were collected, and a preliminary report of the survey was written and sent to HASL. From Guam, the course was northwest to about 22° N, 139° E, then southwest, A collectionof fishand invertebrates was made at Douglas Reef on March 27. From the Phillipine Coast, the ship cruised south to Moratai, then re- © turned northward to Okinawa. Here, another collection of reef fish was made. On April 9 the TANEY departed from Okinawa and its course lay north toward Japan. At Yokosuka, Japan, where the TANEY arrived on April 14, the scientists aboard went ashore to attend an informal meeting in Tokyo with some members of the Japanese Science Council to discuss some of the data from Operation Troll. On April 21, the TANEY departed from Yokosuka, Japan, on an eastward course toward San Francisco. Samples of surface water were taken until the ship arrived at San Francisco on May3. Analytical Procedures The analytical procedures were designed to be carried out aboard ship and, therefore, had to be extremely simple. All activity measurements were made on 2-in,