BOOIJ, Petra, Ivan HOLOUBEK, Jana KLÁNOVÁ, Jiří KOHOUTEK, Alice DVORSKÁ, Katarína MAGULOVÁ, Said AL-ZADJALI and Pavel ČUPR. Current implications of past DDT indoor spraying in Oman. Science of the Total Environment. AMSTERDAM: Elsevier, vol. 550, April, p. 231-240. ISSN 0048-9697. doi:10.1016/j.scitotenv.2015.12.044. 2016.
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Basic information
Original name Current implications of past DDT indoor spraying in Oman
Authors BOOIJ, Petra (528 Netherlands, belonging to the institution), Ivan HOLOUBEK (203 Czech Republic, belonging to the institution), Jana KLÁNOVÁ (203 Czech Republic, guarantor, belonging to the institution), Jiří KOHOUTEK (203 Czech Republic, belonging to the institution), Alice DVORSKÁ (203 Czech Republic, belonging to the institution), Katarína MAGULOVÁ (703 Slovakia), Said AL-ZADJALI (512 Oman) and Pavel ČUPR (203 Czech Republic, belonging to the institution).
Edition Science of the Total Environment, AMSTERDAM, Elsevier, 2016, 0048-9697.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30304 Public and environmental health
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 4.900
RIV identification code RIV/00216224:14310/16:00089978
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1016/j.scitotenv.2015.12.044
UT WoS 000371226700026
Keywords in English DDT; Residual indoor spraying; Human risk assessment; Cancer risk; Region-specific half-life
Tags AKR, rivok
Tags International impact, Reviewed
Changed by Changed by: Ing. Andrea Mikešková, učo 137293. Changed: 31/3/2017 10:48.
Abstract
In Oman, DDT was sprayed indoors during an intensive malaria eradication program between 1976 and 1992. DDT can remain for years after spraying and is associated with potential health risk. This raises the concern for human exposure in areas where DDT was used for indoor spraying. Twelve houses in three regions with a different history of DDT indoor spraying were chosen for a sampling campaign in 2005 to determine p,p'dichlorodiphenyltrichloroethane (p,p'-DDT), p,p'-dichlorodiphenyldichloroethylene (p,p'-DDT) and p,p'dichlorodiphenyldichloroethane (p,p'-DDD) levels in indoor air, dust, and outdoor soil. Although DDT was only sprayed indoor, p,p'-DDT, p,p'-DDE and p,p'-DDD were also found in outdoor soil The results indicate that release and exposure continue for years after cessation of spraying. The predicted cancer risk based on concentrations determined in 2005, indicate that there was still a significant cancer risk up to 13 to 16 years after indoor DDT spraying. A novel approach, based on region-specific half-lives, was used to predict concentrations in 2015 and showed that more than 21 years after spraying, cancer risk for exposure to indoor air, dust, and outdoor soil are acceptable in Oman for adults and young children. The model can be used for other locations and countries to predict prospective exposure of contaminants based on indoor experimental measurements and knowledge about the spraying time-schedule to extrapolate region-specific half-lives and predict effects on the human population years after spraying. The measurement was done in the framework of contract research (contract No. SSFA/2013/11) and the publication was supported by Ministry of Education of the Czech Republic (LM2011028 and LO1214) and the Czech Science Foundation (GACR grant no. 14-27941S).
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