This study was seasonal variation of biological and heavy metal contents in seaside water along the Masan, Changweon and Jin hae area, water analysis was undertaken at 5 sites surrounding Masan. Changwcon and Jin hae seaside area, for 4 times from March to December in 1983.
The results are summarized as follows.
1. The means annual value pH was showed 6.95-8.2.
-2. The four season analysis results were 4.3-11.8 ppm DO, 1.2-24.8 ppm COD, 4.3-16.6 ppm BOD, 11-48.0 PPm SS, 6-267 ppb Pb, 0-99.8 ppb CD, 0.007--2.062 ppb N113-N, 0_01-0.424 mg/1 Nofl-N. 0.016-0.626 mgjl P04-P respectively.
3. Hg, Zn, Cr"´ were not appeared.
4. Cl was much appeared through the whole year.
5. Coliform bacteria was much showed as sewage.
6. Worst water condition was showed at summer season.
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