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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Aamir, Muhammad Khan, Sardar Nawab, Javed Qamar, Zahir Khan, Anwarzeb |
| Spatial Coverage | Pakistan |
| Description | Author Affiliation: Aamir M ( Department of Environmental Sciences, University of Peshawar, Peshawar 25120 Pakistan); Khan S ( Department of Environmental Sciences, University of Peshawar, Peshawar 25120 Pakistan. Electronic address: sardar.khan2008@yahoo.com.); Nawab J ( Department of Environmental and Conservation Sciences, University of Swat, Pakistan.); Qamar Z ( Department of Environmental Sciences, University of Peshawar, Peshawar 25120 Pakistan.); Khan A ( Department of Environmental Sciences, University of Peshawar, Peshawar 25120 Pakistan.) |
| Abstract | Distribution of hexachlorocyclohexane (HCH) and dichlorodiphenyltrichloroethane (DDT) congeners in tissues of four different fish species and their associated potential health risks to local consumers are presented in this paper. The average ∑(HCHs+DDTs) concentration in Glyptothorax punjabensis (214ngg(-1) wet weight (ww)) (carnivores) was found higher than Tor putitora (155ngg(-1) ww) (herbivores). The distribution of ∑(HCHs+DDTs) in all fish tissues was found in order of liver>muscle>stomach>gills. The profile of congeners (ß-HCH/∑HCH from 0.29-0.47) indicated that all selected fish species were contaminated with HCH because of its recent usage in the study area. Furthermore, DDT profile ((DDE+DDD)/∑DDT from 0.61-0.78) showed that fish contamination with DDT originated from past usage and long-time degradation mechanism. The average estimated daily dietary intake of ∑HCHs (15.0ngkg(-1) day(-1)) was higher than ∑DDTs (12.5ngkg(-1) day(-1)) by the local consumers via fish consumption. On the basis of both 50th and 95th percentile exposure levels, the carcinogenic hazard ratios for DDT and its congeners were exceeded one (safe limit) for all fish species, indicating a great potential cancer risk for local consumers with life time consumption of contaminated fish collected from Kabul River. |
| File Format | HTM / HTML |
| ISSN | 01476513 |
| Volume Number | 125 |
| e-ISSN | 10902414 |
| Journal | Ecotoxicology and Environmental Safety |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-03-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Sciences Ddt Pharmacokinetics Environmental Exposure Analysis Fishes Food Contamination Lindane Rivers Chemistry Animals Environmental Monitoring Humans Pakistan Risk Assessment Tissue Distribution Water Pollutants, Chemical Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health |
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