Table 2

Cell concentration (cells×mL^-1)	E.coli biomass				Reservoir microbe biomass
Cell concentration (cells×mL^-1)	Density (gm×cc^-1)		Viscosity (cP)		Density (gm×cc^-1)		Viscosity (cP)
	25ºC	50ºC	25ºC	50ºC	25ºC	50ºC	25ºC	50ºC
0	1.02	1.01	1.00	0.63	1.02	1.01	1.00	0.63
10⁶	1.02	1.01	0.96	0.61	1.02	1.01	1.08	0.67
10⁷	1.02	1.01	1.07	0.66	1.02	1.01	0.98	0.62
10⁸	1.02	1.01	1.03	0.61	1.02	1.01	0.96	0.60

Table 2: Effects of varying amounts of biomass on synthetic formation water density and viscosity at different temperatures.