Radiation Dose Estimates for C-11 Carbon Monoxide*
Single inhalation with 20 s breathhold

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	Estimated Radiation Dose
ORGAN	mGy/MBq	rad/mCi
Adrenals	6.1E-03	2.3E-02
Brain	1.1E-03	3.9E-03
Breasts	2.3E-03	8.7E-03
Gallbladder Wall	2.9E-03	1.1E-02
LLI Wall	2.3E-03	8.5E-03
Small Intestine	2.4E-03	9.0E-03
Stomach	2.7E-03	1.0E-02
ULI Wall	2.4E-03	8.9E-03
Heart Wall	2.0E-02	7.2E-02
Kidneys	6.8E-03	2.5E-02
Liver	4.9E-03	1.8E-02
Lungs	1.4E-02	5.2E-02
Muscle	2.2E-03	8.2E-03
Ovaries	2.4E-03	8.8E-03
Pancreas	3.2E-03	1.2E-02
Red Marrow	5.4E-03	2.0E-02
Bone Surfaces	3.2E-03	1.2E-02
Skin	1.8E-03	6.5E-03
Spleen	1.3E-02	4.8E-02
Testes	1.9E-03	7.1E-03
Thymus	3.4E-03	1.3E-02
Thyroid	4.8E-03	1.8E-02
Urinary Bladder Wall	2.2E-03	8.2E-03
Uterus	2.4E-03	8.7E-03
Effective Dose Equivalent	6.5E-03 mSv/MBq	2.4E-02 rem/mCi

* Based on model in ICRP 53.
Dynamic bladder model with 4.8-hour voiding interval
Estimate calculated using phantom of Cristy & Eckerman (Report ORNL/TM-8381/V1 & V7)