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Research on the method to identify the outliers of the heavy metal in soil of site environmental investigation based on the PauTa criterion
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Cong-Hui DONG1, 2, Yi YUAN1, Xiao-Xi LIU1, Zu-Ming MEI2, *
Laboratory Testing | 2024, 2(3) : 19 - 22
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Laboratory Testing | 2024, 2(3): 19-22
• Innovative Applications •
Research on the method to identify the outliers of the heavy metal in soil of site environmental investigation based on the PauTa criterion
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Cong-Hui DONG1, 2, Yi YUAN1, Xiao-Xi LIU1, Zu-Ming MEI2, *
Affiliations
  • 1 Research Center for Monitoring and Environmental Sciences Research Center for Monitoring and Environmental Sciences, Taihu Basin & East China Sea Ecological Environment Supervision and Administration Authority, Ministry of Ecology and Environment Shanghai 200125 China
  • 2 Shanghai Geotechnical Engineering Detecting Centre Co., Ltd. Shanghai 200436 China
Published: 2024-03-08
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Objective A method to identify heavy metal outliers in soil of site environmental investigation was studied. Methods First, the normal distribution test of soil heavy metal samples was carried out, then the heavy metal outliers were identified by the PauTa criterion, and the frequency histogram was used to verify the outliers identification results. Results The results of the case study show that the PauTa criterion can effectively identify the outliers of heavy metal content in the soil of the site environmental investigation. Conclusion The use of PauTa criterion to identify the outliers of heavy metal content in soil of site environmental investigation is helpful to identify the soil that is lower than the screening value but greatly affected by human production and life, and can greatly reduce the risk of soil cumulative pollution.

PauTa criterion  /  normal distribution  /  frequency histogram  /  heavy metal in soil  /  outliers
Cong-Hui DONG, Yi YUAN, Xiao-Xi LIU, Zu-Ming MEI. Research on the method to identify the outliers of the heavy metal in soil of site environmental investigation based on the PauTa criterion[J]. Laboratory Testing, 2024 , 2 (3) : 19 -22 .
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  • Online Date：2025-07-28
  • Published：2024-03-08
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Affiliations
    1 Research Center for Monitoring and Environmental Sciences Research Center for Monitoring and Environmental Sciences, Taihu Basin & East China Sea Ecological Environment Supervision and Administration Authority, Ministry of Ecology and Environment Shanghai 200125 China
    2 Shanghai Geotechnical Engineering Detecting Centre Co., Ltd. Shanghai 200436 China

Corresponding:

MEI Zu-Ming, Senior Engineer, Shanghai Geotechnical Engineering Detecting Centre Co., Ltd., Shanghai 200436, China. E-mail:
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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