Initial Reports, Volume 206 Ms 206IR-103 Chapter 3, Table T43. Quantification of microspheres, Hole 1256C. Notes: ms = microspheres. FOV = field of view using 100s objective. All values are above the limit of detection calculated at the 95% confidence level (945 ms/filter). Sample Core 206-1256C-7R: ms/FOV ms/mL Core 206-1256C-9R: ms/FOV ms/mL Core 206-1256C-11R: ms/FOV ms/mL Drill fluid 19 23,394 8 10,341 3 3,910 Core exterior 25 31,970 16 19,800 37 47,041 Core interior <1 252 <1 504 <1 252