التفاصيل البيبلوغرافية
| العنوان: |
OUTPUT OF RADIOPHARMACEUTICAL NUCLIDES OF KNOWN INJECTED DOSES FROM A MUNICIPAL SEWAGE TREATMENT SYSTEM. |
| المؤلفون: |
Nakamura, Ayako, Hayabuchi, Naofumi, Osaki, Tomoe, Osaki, Susumu |
| المصدر: |
Health Physics; Feb2005, Vol. 88 Issue 2, p163-168, 6p |
| مصطلحات موضوعية: |
RADIOPHARMACEUTICALS, MEDICAL radiology, PHARMACOLOGY, NUCLIDES, ATOMS, SEWAGE purification, WASTE management |
| مستخلص: |
The concentrations of 99mTc, 123I, 67Ga, and 201TI of the discharge water and the sewage sludge from Kurume Central Sewage Treatment Plant were determined once a week for 2 mo. The radiopharmaceutical doses injected into the patients for all of four hospitals that use nuclear medicines in the service area of the plant were also surveyed. Approximately 1.5% of the 99mTe, 1.5% of the 123I, 4.3% of the 67Ga, and 0.41% of the 201Tl of the injected doses were detected in the discharged water from the plant. The behavior of these radionuclides in the sewage treatment system was analyzed using a compartment model. The analyses suggest that the average residence times in storage tanks and drainage pipes before entering the plant were 9.5 h for 99mTc, 81 h for 123I, 120 h for 67Ga, and 480 h for 201T1. [ABSTRACT FROM AUTHOR] |
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