TABLE 2

Recommended Tissue-Weighting Factors

Tissue	$\text{[math]}$	$\text{[math]}$
Active bone marrow, colon, lung, stomach, breast, remainder tissues^*	0.12	0.72
Gonads	0.08	0.08
Bladder, esophagus, liver, thyroid	0.04	0.16
Endosteal tissues, brain, salivary glands, skin	0.01	0.04
Total		1.00

↵* Remainder tissues are adrenal glands, extrathoracic airways, gallbladder, heart, kidneys, lymphatic nodes, skeletal muscle, oral mucosa, pancreas, prostate (♂), small intestine, spleen, thymus, and uterus/cervix (♀). Data are taken from ICRP publication 103 (8).