Abstract:
:Iodine-131 was found to dominate the gamma spectra of dried sludge and concentration liquid effluent samples from a sewage treatment plant serving the area containing the Texas Medical Center in 1975. The concentration of Iodine-131 varied considerably on a time scale of weeks but was fairly stable in the course of a single day. The partition of Iodine-131 between the dried sludge and the liquid effluent was found to be reasonably constant during the sampling period. Knowledge of the concentration in these phases and the daily output of sludge and effluent let to be estimate of an annual discharge of over one Curie of Iodine-131. Circumstantial evidence linking this discharge to the practice of nuclear medicine in the area is considered strong, but an attempt to correlate variation in the effluent activity with actual nuclide use was inconclusive due, among other reasons, to an insufficient clinical data base. An analysis of possible exposure pathway indicated that negligible human exposure resulted from the Iodine-131 released primarily because the receiving body of water is a saline industrial waterway. A more extensive analysis would be in order for a similar plant discharging treated wastewaters into an inland water system.
journal_name
Am J Public Healthjournal_title
American journal of public healthauthors
Prichard HM,Gesell TF,Davis Edoi
10.2105/ajph.71.1.47subject
Has Abstractpub_date
1981-01-01 00:00:00pages
47-52issue
1eissn
0090-0036issn
1541-0048journal_volume
71pub_type
杂志文章abstract::This paper examines the relative importance of various independent variables for predicting five separate measures of physician utilization in a rural community. The independent variables include socioeconomic, demographic, attitudinal, and health status factors. The results are comparable to those of national studies...
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pub_type: 历史文章,杂志文章
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pub_type: 杂志文章
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journal_title:American journal of public health
pub_type: 杂志文章
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doi:10.2105/AJPH.2003.019620
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更新日期:1988-10-01 00:00:00
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更新日期:2010-08-01 00:00:00
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更新日期:2016-01-01 00:00:00
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更新日期:1986-02-01 00:00:00
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