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Investigation and Verification of Soil and Groundwater Pollution in Tainan City

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The project, Investigation and Verification of Soil and Groundwater Contamination, had continued the works over the past few years of Tainan District. Work contents of the project include soil and groundwater contaminated investigation; monitoring well external appearance patrol, maintenance and repeal; review and on-site systematic inspection of underground storage tank; declaration inspection and verification of regulated enterprise; supervision, monitoring, verification and inspection of soil and groundwater contaminated site; emergency response and educational promotion and administrative assistance. For regular soil monitoring, it had finished 29 lots of farmland and 2 lots of non-farmland. The results are lower than Soil Pollution Control Standards and 13 of 29 are suggested being stopped monitoring next year except for “JIH NONG SCIENCE CO., LTD.” Which the soil result is larger than the Soil Pollution Control Standards. For the regular groundwater monitoring, it had finished 29 wells which the results are similar with past few years. The Cis-1,2-dichloroethylene and Trichloroethylene results of monitoring well R00672 had decreased significantly;the Trichloroethylene results of monitoring well D00295 maintain the same level with former results. Arsenic (As) results of monitoring well R00552 which locate in Wu Shan Tou region had continuous exceeded the first category groundwater contaminated control standard. According to the geological analysis, it shows that the fact of exceeding standard arises from geological deposit. Patrol and maintenance of monitoring well appearance had finished, include appearance repair, 152 main body repairing of monitoring well, 9 nonfunctional well repealing, 6 well condition assessment, 12 intra-well repairing and 13 of well abandon which had no more monitoring purpose. Declaration of underground storage tank reach 100%, 29 stations on-site inspection; 15 sites of confirmation of regulatory compliance for additional enterprise, 4 of 15 enterprise didn’t meet the underground storage tank regulation;2 of 15 had finished monitoring instrument setting;the rest of 9 enterprises still not complete the monitoring instrument. 242 of announced enterprises had already reviewed. 35 of announced enterprises had finished sampling and investigation, 5 of contaminated site evaluators had finished the prospecting declaration. 12 of high contaminated potential factories had finished verification and guidance. The project had review 95 site reports, 470 of site patrolling. 6 of 8 investigated sites could be unregulated, 2 of 8 sites still maintain at illegal level. 5 of 10 verification sites should be regulated, 3 of the sites should continue monitoring and the rest of 5 sites had no more contaminated concern. 1 of 4 emergency response sites should be regulated and the rest of 3 sites had no more contaminated concern. For the administrated assistant, 4 propaganda orientation, 1 exchange seminar, 1 business meeting, 13 campus educational promotion had been held. Assisting the special exhibition on the 20th anniversary of the Soil and Groundwater Pollution and Remediation Law, announcing the related soil and groundwater news, articles and press releases into the social media.
Keyword
Tainan, Soil, Groundwater
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