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- W3208347102 endingPage "127551" @default.
- W3208347102 startingPage "127551" @default.
- W3208347102 abstract "Recently, rice contamination by heavy metals (HMs) has become a severe problem. Taking the Western Fujian region as an example in this study, a total of 1311 rice samples containing eight HMs were collected from 2015 to 2019, then used to explore their pollution characteristics, health risks, and Spatio-temporal variations, finally derive the target remediation areas of the key pollutants. The results showed that average concentrations of all the HMs had not reached the limits of the National Standards of Food Safety, but pollution indexes of As (0.783) and Cu (0.665) were at accumulation level (>0.6), which posed high pollution risks. Furthermore, locations of higher HMs concentrations coincided with those of higher pollution estimation probabilities. The non-carcinogenic risk (4.150, 2.434) and carcinogenic risk (4.96 × 10-3, 2.92 × 10-3) for children and adults cannot be negligible, As and Cd were the largest contributors. Children were more susceptible than adults due to the metal concentrations and rice intake rate. The spatio-temporal changes indicated that a decreasing trend in average concentrations of HMs (except Cr), but As (0.37%-0.88%) contents increased in the west and northeast parts, and so did Cd (1.92%-5.11%) in the central region during monitoring. For the target remediation, particular regions in the western and eastern were used as risky areas of As and Cd, respectively. Our results will provide theoretical support for the pollution management of HMs in rice." @default.
- W3208347102 created "2021-11-08" @default.
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- W3208347102 date "2022-02-01" @default.
- W3208347102 modified "2023-09-29" @default.
- W3208347102 title "Pollution monitoring, risk assessment and target remediation of heavy metals in rice from a five-year investigation in Western Fujian region, China" @default.
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- W3208347102 doi "https://doi.org/10.1016/j.jhazmat.2021.127551" @default.
- W3208347102 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34736193" @default.
- W3208347102 hasPublicationYear "2022" @default.
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