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POPs Monitoring and Related Activities by the Ministry of the Environment, Japan (700 words) |
 | Due to general decline of POPs levels in the environment, the number of ND (not detected = less than detection limits) data had been increasing in recent years, and consequently it became difficult to extract temporal trends from the monitoring data. |
| The primary purpose of this reorganization is to reveal present POPs levels in Japan as a basis to judge the effectiveness of the measures/countermeasures taken by the Government for POPs convention. |
| Their levels in sediments also tend to be higher in coastal environment in densely populated areas. |
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