Chris Bennight (Marine technician: chemistry, IODP-USIO/TAMU) and Randy Gjesvold (Marine Instrumentation Specialist, IODP-USIO/TAMU) take samples at the rig floor during the 24-hr tracer injection experiment at Hole U1362B. (Credit William Crawford, IODP/TAMU) [Photo ID: exp327_130] Back to expedition photos.