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The Human Health Assessment to Phthalate Acid Esters (PAEs) and Potential Probability Prediction by Chromophoric Dissolved Organic Matter EEM-FRI Fluorescence in Erlong Lake

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  • Meichen Ji

    (School of Environment, Institute of Natural Disaster Research, Northeast Normal University, Changchun 130024, China
    Key Laboratory for Vegetation Ecology, Ministry of Education, Changchun 130024, China
    State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Northeast Normal University, Changchun 130024, China
    These authors equally contributed to this work.)

  • Sijia Li

    (School of Environment, Institute of Natural Disaster Research, Northeast Normal University, Changchun 130024, China
    Key Laboratory for Vegetation Ecology, Ministry of Education, Changchun 130024, China
    State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Northeast Normal University, Changchun 130024, China
    These authors equally contributed to this work.)

  • Jiquan Zhang

    (School of Environment, Institute of Natural Disaster Research, Northeast Normal University, Changchun 130024, China
    Key Laboratory for Vegetation Ecology, Ministry of Education, Changchun 130024, China
    State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Northeast Normal University, Changchun 130024, China)

  • Hui Di

    (School of Environment, Institute of Natural Disaster Research, Northeast Normal University, Changchun 130024, China
    Key Laboratory for Vegetation Ecology, Ministry of Education, Changchun 130024, China
    State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Northeast Normal University, Changchun 130024, China)

  • Fengxu Li

    (School of Environment, Institute of Natural Disaster Research, Northeast Normal University, Changchun 130024, China
    Key Laboratory for Vegetation Ecology, Ministry of Education, Changchun 130024, China
    State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Northeast Normal University, Changchun 130024, China)

  • Tianji Feng

    (School of Environment, Institute of Natural Disaster Research, Northeast Normal University, Changchun 130024, China
    Key Laboratory for Vegetation Ecology, Ministry of Education, Changchun 130024, China
    State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Northeast Normal University, Changchun 130024, China)

Abstract

Phthalate acid esters (PAEs) are suspected to cause wide environmental pollution and have adverse effects on human health. Three priority control phthalates, namely dimethyl phthalate (DMP), diethyl phthalate (DEP), and dibutyl phthalate (DBP), were determined in 45 water samples from the largest drinking water source in Jilin Province. Chromophoric-dissolved organic matter (CDOM), which are composed of complex compounds and are a proxy for water quality, can be monitored using a fluorometer. This study attempted to understand the correlations of the CDOM fluorescence regional integration (FRI) components with PAEs and CDOM characteristics under seasonal and spatial variations in the Erlong Lake. The characteristics of the CDOM absorption parameters in different water samples showed a higher aromatic content and molecular weight in October because of increased terrestrial inputs. The Σ3PAEs concentrations ranged from 0.231 mg L −1 to 0.435 mg L −1 in water, and DEP contributed to more than 90% of the Σ3PAEs. The FRI method identified five fluorescence components: one tyrosine-like (R1), one tryptophan-like (R2), one fulvic-like (R3), one microbial protein-like (R4), and one humic-like (R5) component. However, significant relationships exist between DEP and R3 ( R 2 = 0.78, p < 0.001), R4 ( R 2 = 0.77, p < 0.001), and R5 ( R 2 = 0.58, p < 0.001). Quantifying the relationship between CDOM and PAEs was highly significant, because the results will simplify the componential analysis of pollutants from a spatiotemporal perspective as compared to traditional chemical measurements. The human health risk assessment results revealed no human health risk ( HQ < 1) in the Erlong Lake basin.

Suggested Citation

  • Meichen Ji & Sijia Li & Jiquan Zhang & Hui Di & Fengxu Li & Tianji Feng, 2018. "The Human Health Assessment to Phthalate Acid Esters (PAEs) and Potential Probability Prediction by Chromophoric Dissolved Organic Matter EEM-FRI Fluorescence in Erlong Lake," IJERPH, MDPI, vol. 15(6), pages 1-18, May.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:6:p:1109-:d:149616
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    References listed on IDEAS

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    1. Xiang Chen & Weiqi Zhou & Steward T. A. Pickett & Weifeng Li & Lijian Han, 2016. "Spatial-Temporal Variations of Water Quality and Its Relationship to Land Use and Land Cover in Beijing, China," IJERPH, MDPI, vol. 13(5), pages 1-17, April.
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