however , only 4 samples from plasma at 3pod and 2 samples from urine at 2pod revealed positive , 2 ) false positive test of the samples from priming fluids was negative meaning the limulus positive substances are not endotoxin , 3 ) under microscopic analysis and coulter counter , there were about 40 particles over 50 microns per ml of priming fluids before washing the cpb circuit .
C0439861
substances
C0005889
fluids