DOI: 10.1016/j.watres.2019.01.035
Scopus记录号: 2-s2.0-85061448778
论文题名: Assessing the threats of organophosphate esters (flame retardants and plasticizers) to drinking water safety based on USEPA oral reference dose (RfD) and oral cancer slope factor (SFO)
作者: Li J. ; He J. ; Li Y. ; Liu Y. ; Li W. ; Wu N. ; Zhang L. ; Zhang Y. ; Niu Z.
刊名: Water Research
ISSN: 431354
出版年: 2019
起始页码: 84
结束页码: 93
语种: 英语
英文关键词: Drinking water safety
; Exposure
; Health risk
; Key factor
; National scale
; Organophosphate esters
Scopus关键词: Diseases
; Esters
; Flame retardants
; Health risks
; Plasticizers
; Reinforced plastics
; Risk assessment
; Risk management
; Safety factor
; Solvents
; Water absorption
; Water pollution
; Water treatment
; Exposure
; Flame retardants and plasticizers
; Gross domestic products
; Key factors
; National scale
; Occurrence and distribution
; Organophosphate esters
; Tris(2 ,3-dibromopropyl)-phosphate
; Potable water
; drinking water
; flame retardant
; phosphoric acid tris(2,3 dibromopropyl) ester
; plasticizer
; assessment method
; cancer
; carcinogen
; dose-response relationship
; drinking
; drinking water
; flame retardant
; Gross Domestic Product
; health risk
; organophosphate
; safety
; urban area
; water treatment
; Article
; cancer risk
; China
; dose
; dust
; food intake
; government
; gross national product
; health hazard
; human
; inhalation
; oral cancer slope factor
; oral reference dose
; priority journal
; risk management
; skin absorption
; slope factor
; China
英文摘要: As one group of emerging pollutants, the threat of organophosphate esters (flame retardants and plasticizers, OPEs) to drinking water safety is not well recognized. Now, the oral reference dose (RfD) and oral cancer slope factor (SFO) of OPEs have been updated by USPEA, therefore the threat of OPEs to drinking water safety could be assessed. In this study, occurrence, health risk and key impact factor of OPEs in drinking water of China were analyzed covering 79 cities, whose population and gross domestic product (GDP) accounted for 28.8% and 44.1% of them in China, respectively. Total concentration of 14 common OPEs in drinking water was 13.42–265.48 ng/L. The exposure level of OPEs via ingestion of drinking water was much lower than that of food ingestion but was comparable with dust ingestion, inhalation and dermal absorption. A health assessment for OPEs via ingestion of drinking water suggested that the potential cancer risk occurred (>1.00E-6) but no obvious non-carcinogenic effects occurred (<1). Tris-(2,3-dibromopropyl) phosphate (TDBPP) contributed to about 72.4% of carcinogenic risk, which should be treated as “prior monitoring OPEs” in further studies. The occurrence and distribution of OPEs in drinking water of China have a good corresponding relationship with the Aihui-Tengchong Line, and drinking water treatment technology (DWTT) was found to be a key factor. Total OPEs, halogeno-OPEs and alkyl-OPEs in drinking water from advanced DWTT cities were much lower than those of conventional DWTT cities. Compared with conventional DWTT, advanced DWTT could reduce about 65.6% and 36.5% of carcinogenic risk and non-carcinogenic risk of OPEs, respectively. Considering the annual growth of OPEs consumption in China and world, further studies regarding the environmental threat of OPEs are required. © 2019 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/121957
Appears in Collections: 气候变化事实与影响
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作者单位: School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China; MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China; School of Marine Science and Technology, Tianjin University, Tianjin, 300072, China
Recommended Citation:
Li J.,He J.,Li Y.,et al. Assessing the threats of organophosphate esters (flame retardants and plasticizers) to drinking water safety based on USEPA oral reference dose (RfD) and oral cancer slope factor (SFO)[J]. Water Research,2019-01-01