Non-carcinogenic health risk assessment of nitrate and fluoride contamination in the groundwater of Noyyal basin,India

作     者：Karung Phaisonreng Kom Balasubramanian Gurugnanam Swaminathan Bairavi Karung Phaisonreng Kom;Balasubramanian Gurugnanam;Swaminathan Bairavi

作者机构：Centre for Applied GeologyGandhigram Rural Institute-Deemed to be UniversityGandhigramDindigul 624302Tamil NaduIndia 

出 版 物：《Geodesy and Geodynamics》 (大地测量与地球动力学（英文版）)

年 卷 期：2022年第13卷第6期

页      面：619-631页

核心收录：

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 07[理学] 08[工学] 0815[工学-水利工程] 0713[理学-生态学] 

基　　金：The authors express their sincere appreciation to the editor-in-chief and anonymous reviewers for their insightful comments and suggestions  significantly enhancing the manuscript 

主　　题：Nitrate Fluoride Non-carcinogenic Hazard quotient Total hazard index Noyyal basin 

摘      要：The study aims to assess the nitrate and fluoride concentration in groundwater and its adverse effects on human *** 2019,42 groundwater samples were collected from various bore wells within the western Noyyal basin,*** and chloride are the dominant cation and anion,*** nitrate concentration in groundwater samples varies from 2 to 89 mg/L,of which 33.33%are above the permissible limit of 45 mg/L for drinking *** fluoride concentration ranges from 0.2 to 2.4 mg/L,with 28.57%of the samples exceeding the safe value of 1.5 mg/L for drinking *** plots demonstrate that the potential of hydrogen(pH),electrical conductivity(EC),total dissolved solids(TDS),Na^(+)and HCO^(-)_(3)are positively correlated with F^(-),whereas Ca^(2+)is negatively *** Ca-Mg-Cl is the most common water type in the investigated *** Gibbs diagram demonstrates that the interaction between rock and water impacts the groundwater *** the method of the United States Environmental Production Agency(USEPA),this study assesses the non-carcinogenic health risk posed by nitrate and fluoride in different age groups(infants,children,and adults).The values of total hazard index(THI)vary from 0.59 to 10.07(mean=4.76)for infants,0.36 to 6.23(mean=2.95)for children,and 0.19 to 3.32(mean=1.57)for ***,97.62%,92.86%,and 73.81%of the samples surpass the recommended limit(THI=1)for infants,children,and adults,***,the health risk assessment(HRA)indicates that infants and children are more susceptible to noncarcinogenic health hazards than *** THI spatial variation map shows that central and southern regions of the study area have been identified as high health risk areas(THI3.0)for all age groups.