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Concentrations of Lead in Groundwater and Human Blood in the Population of Palosai, a Rural Area in Pakistan: Human Exposure and Risk Assessment. ADSORPT SCI TECHNOL 2022. [DOI: 10.1155/2022/8341279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Lead (Pb) is a toxic environmental contaminant, which enters water bodies from natural and anthropogenic activities. The present study investigates the Pb concentration in groundwater sources and evaluates their potential health risks in Palosai area, Peshawar, Khyber Pakhtunkhwa, Pakistan. Groundwater samples were collected from different groundwater sources in the area where the human blood samples were from the dependent residents. Pb concentration was analyzed using an atomic absorption spectrophotometer and compared with the permissible limits set by Pakistan Environmental Protection Agency and World Health Organization (WHO). The levels of physicochemical parameters were observed within the said safe limits, while the levels of Pb in different groundwater sources (tube wells and wells) showed a little bit variation. Health risk indicators such as chronic daily intake (CDI) and hazard quotient (HQ) were calculated for Pb. The calculated value of CDI and HQ for Pb via groundwater consumption was 0.001 mg/kg·day and
mg/kg·day, respectively; however, the overall HQ values of Pb in the groundwater were less than 1, indicating no health risk to the local depending community.
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Sánchez-Calvo A, Blanco-López MC, Costa-García A. Paper-Based Working Electrodes Coated with Mercury or Bismuth Films for Heavy Metals Determination. BIOSENSORS-BASEL 2020; 10:bios10050052. [PMID: 32414133 PMCID: PMC7277893 DOI: 10.3390/bios10050052] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 02/04/2023]
Abstract
Paper-based carbon working electrodes were modified with mercury or bismuth films for the determination of trace metals in aqueous solutions. Both modification procedures were optimized in terms of selectivity and sensitivity for the determination of different heavy metals, aiming their simultaneous determination. Cd (II), Pb (II) and In (III) could be quantified with both films. However, Cu (II) could not be determined with bismuth films. The modification with mercury films led to the most sensitive method, with linear ranges between 0.1 and 10 µg/mL and limits of detection of 0.4, 0.1, 0.04 and 0.2 µg/mL for Cd (II), Pb (II), In (III) and Cu (II), respectively. Nevertheless, the bismuth film was a more sustainable alternative to mercury. Tap-water samples were analyzed for the determination of metals by standard addition methodology with good accuracy, by using a low-cost and easily disposable paper-based electrochemical platform. This system demonstrated its usefulness for monitoring heavy metals in water.
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Kumar A, Sharma S, Mehra R, Kanwar P, Mishra R, Kaur I. Assessment of radon concentration and heavy metal contamination in groundwater of Udhampur district, Jammu & Kashmir, India. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2018; 40:815-831. [PMID: 29039044 DOI: 10.1007/s10653-017-0027-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 09/30/2017] [Indexed: 06/07/2023]
Abstract
Radon concentration was measured in water samples of 41 different locations from Udhampur district of Jammu & Kashmir, India, by using RAD7 and Smart RnDuo monitor. The variation of radon concentration in water ranged from 1.44 ± 0.31 to 63.64 ± 2.88 Bq L-1, with a mean value of 28.73 Bq L-1 using RAD7 and 0.64 ± 0.28 to 52.65 ± 2.50 Bq L-1, with a mean value of 20.30 Bq L-1 using Smart RnDuo monitor, respectively. About 17.07% of the studied water samples recorded to display elevated radon concentration above the reference range suggested by United Nation Scientific Committee on the Effects of Atomic Radiations (UNSCEAR). The mean annual effective dose of these samples was determined, and 78.95% samples were found to be within the safe limits set by World Health Organisation (WHO) and European Council (EU). The study revealed good agreement between the values obtained with two methods. Heavy metals (Zn, Cd, Fe, Cu, Ni, As, Hg, Co, Pb and Cr) were determined in water samples by microwave plasma atomic emission spectrometer, and their correlation with radon content was also analysed.
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Affiliation(s)
- Ajay Kumar
- Department of Physics, DAV College, Amritsar, Punjab, 143001, India.
| | - Sumit Sharma
- Department of Physics, DAV College, Amritsar, Punjab, 143001, India
- Department of Physics, Dr. B.R. Ambedkar National Institute of Technology, Jalandhar, Punjab, 144011, India
| | - Rohit Mehra
- Department of Physics, Dr. B.R. Ambedkar National Institute of Technology, Jalandhar, Punjab, 144011, India
| | - Priya Kanwar
- Central Ground Water Board, North Western Himalayan Region, Jammu, J&K, India
| | - Rosaline Mishra
- Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - Inderpreet Kaur
- Department of Chemistry, Centre for Advanced Studies, Guru Nanak Dev University, Amritsar, Punjab, 143001, India
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Kumar A, Kaur M, Mehra R, Sharma DK, Mishra R. Comparative Study of Radon Concentration with Two Techniques and Elemental Analysis in Drinking Water Samples of the Jammu District, Jammu and Kashmir, India. HEALTH PHYSICS 2017; 113:271-281. [PMID: 28796753 DOI: 10.1097/hp.0000000000000644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The level of radon concentration has been assessed using the Advanced SMART RnDuo technique in 30 drinking water samples from Jammu district, Jammu and Kashmir, India. The water samples were collected from wells, hand pumps, submersible pumps, and stored waters. The randomly obtained 14 values of radon concentration in water sources using the SMART RnDuo technique have been compared and cross checked by a RAD7 device. A good positive correlation (R = 0.88) has been observed between the two techniques. The overall value of radon concentration in various water sources has ranged from 2.45 to 18.43 Bq L, with a mean value of 8.24 ± 4.04 Bq L, and it agreed well with the recommended limit suggested by the European Commission and UNSCEAR. However, the higher activity of mean radon concentration was found in groundwater drawn from well, hand and submersible pumps as compared to stored water. The total annual effective dose due to radon inhalation and ingestion ranged from 6.69 to 50.31 μSv y with a mean value of 22.48 ± 11.03 μSv y. The total annual effective dose was found to lie within the safe limit (100 μSv y) suggested by WHO. Heavy metal analysis was also carried out in various water sources by using an atomic absorption spectrophotometer (AAS), and the highest value of heavy metals was found mostly in groundwater samples. The obtained results were compared with Indian and International organizations like WHO and the EU Council. Among all the samples, the elemental analysis is not on the exceeding side of the permissible limit.
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Affiliation(s)
- Ajay Kumar
- *Department of Physics, DAV College, Amritsar 143001, Punjab, India; †Department of Physics, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar 144001, Punjab, India; ‡Departments of Physics, Government College Chowari, Chamba, Himachal Pradesh, India; §Radiological Physics & Advisory Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
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Kumar A, Kaur M, Sharma S, Mehra R, Sharma DK, Mishra R. RADIATION DOSE DUE TO RADON AND HEAVY METAL ANALYSIS IN DRINKING WATER SAMPLES OF JAMMU DISTRICT, JAMMU & KASHMIR, INDIA. RADIATION PROTECTION DOSIMETRY 2016; 171:217-222. [PMID: 27032782 DOI: 10.1093/rpd/ncw062] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In the present investigation, radon concentration and heavy metal analysis were carried out in drinking water samples in Jammu district, Jammu & Kashmir, India. The radon concentration was measured by using RAD-7, portable alpha particle detector. The values of radon concentration in drinking water samples were also compared within the safe limit recommended by different health agencies. The total annual effective dose ranged from 53.04 to 197.29 µSv y-1 The annual effective dose from few locations from the studied area was found to be greater than the safe limit (100 µSv y-1) suggested by World Health Organisation (WHO) and EU Council. Heavy metal concentration was determined by atomic absorption spectrophotometer. A total of eight elements were analysed, viz. arsenic, mercury, zinc, iron, copper, chromium, manganese and cadmium. Heavy metals are considered to be the major pollutants of water sources. The results were compared with the limits of WHO, EU and Indian organisations. The trace metal analysis is not on the exceeding side of the permissible limit in all the samples.
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Affiliation(s)
- A Kumar
- Department of Physics, DAV College, Amritsar 143001, Punjab, India
| | - M Kaur
- Department of Physics, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar 144001, Punjab, India
| | - S Sharma
- Department of Physics, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar 144001, Punjab, India
| | - R Mehra
- Department of Physics, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar 144001, Punjab, India
| | - D K Sharma
- Departments of Physics, Government College Chowari, Chamba, Himachal Pradesh, India
| | - R Mishra
- Radiological Physics & Advisory Division, Bhabha Atomic Research Centre, Mumbai 400085, India
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