Table 3.

Linearity rod data

Rod No	Material	Effective Atomic Number	Physical Density	Electron Density	Liner Attenuation Coefficient
			(g/cm3)	Relative to Water	(cm-1)
1	Lung - LN300	7.62	0.28	0.28	0.040
2	Lung - LN450	7.60	0.45	0.40	0.060
3	AP6 Adipose	6.32	0.94	0.90	0.138
4	BR12 Breast	6.90	0.98	0.96	0.145
5	CT Solid Water	7.60	1.02	0.99	0.148
6	LV1 Liver	7.60	1.09	1.07	0.151
7	SR2 Brain	6.23	1.05	1.05	0.160
8	CB2 - 30% CaCO3	10.6	1.34	1.28	0.175
9	CB2 - 50% CaCO3	12.22	1.56	1.47	0.183
10	SB3 Bone Cortical	13.30	1.82	1.69	0.193