Spatial distribution of persistent organic pollutants in the surface water of River Brahmaputra and River Ganga in India

Chakraborty, Paromita; Sakthivel, Seethalakshmi; Kumar, Bhupander; Kumar, Sanjay; Mishra, Meenu; Verma, V. K.; Gaur, Richa

doi:10.1515/reveh-2014-0014

Cited by 24 publications

(4 citation statements)

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“…The occurrence of Permithrin at -1 1.76,0.24 and 0.79 ng µl and 1.10, 0.29 and 0.98 was found during pre-monsoon, monsoon and post-monsoon period at Site I and Site-2, respectively. The residues of lindane, aldrin, dieldrin, heptachlor, endrin, α -chlordane, p,p'-DDE, methoxychlor, PCB-138, PCB-180 were not detected in any of the water sample in this study Chakraborty et al (2014). carried a study on the distribution of POP's in surface waters of river Brahamaputra and Ganga ending at Bay of Bengal, and reported the presence of heptachlor, HCH, DDT, dieldrin, aldrin and endosulfan.…”

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confidence: 56%

Studies on persistent organic pollutants residue in water, sediment and fish tissues of river Sutlej, India

Kaur¹,

Singh²,

Bedi³

et al. 2019

JEB

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confidence: 56%

Studies on persistent organic pollutants residue in water, sediment and fish tissues of river Sutlej, India

Kaur¹,

Singh²,

Bedi³

et al. 2019

JEB

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“…The findings were also compared with the published literature on PAHs concentrations in surface water. The current study’s PAHs concentrations were found to be significantly higher than those observed in Indian surface water, Gomti river (0.65–75.57 μg L -1 ) [ 54 ], Brahmaputra river (ND– 31 μg L -1 ) [ 55 , 56 ], Hooghly river (ND– 31 μg L -1 ) [ 56 ] and groundwater study ranging from ND– 143.2 μg L -1 [ 57 ] and other parts of the world like Mississippi river (12–430 ng L -1 ) [ 58 ], ten river in Tianjin industrial complex area in China (45.81–1272 ng L -1 ) [ 59 ], Pearl river delta, China (55.5–522 ng L -1 ) [ 60 ].…”

Section: Resultsmentioning

confidence: 84%

Polycyclic Aromatic Hydrocarbons (PAHs) in aquatic ecosystem exposed to the 2020 Baghjan oil spill in upper Assam, India: Short-term toxicity and ecological risk assessment

Singh,

Negi,

Jacob

et al. 2023

PLoS ONE

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This study focuses on the short-term contamination and associated risks arising from the release of Polycyclic Aromatic Hydrocarbons (PAHs) due to the 2020 Baghjan oil blowout in upper Assam, India. Shortly after the Baghjan oil blowout, samples were collected from water, sediment, and fish species and examined for PAHs contents. The results of the analysis revealed ΣPAHs concentrations ranged between 0.21–691.31 μg L-1 (water); 37.6–395.8 μg Kg-1 (sediment); 104.3–7829.6 μg Kg-1 (fish). The prevalence of 3–4 ring low molecular weight PAHs compounds in water (87.17%), sediment (100%), and fish samples (93.17%) validate the petrogenic source of origin (oil spill). The geographic vicinity of the oil blowout is rich in wildlife; thus, leading to a significant mass mortality of several eco-sensitive species like fish, plants, microbes, reptiles, amphibians, birds and mammals including the Gangetic River dolphin. The initial ecological risk assessment suggested moderate to high-risk values (RQ >1) of majority PAHs concerning fish, daphnia, and algae species. This study highlights the need for recognizing the potential for short-term exposure to local species. To safeguard local ecosystems from potential future environmental disasters, it is imperative for the government to adopt a precautionary strategy.

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“…Domestic and industrial processes as well as agricultural runoff are the main sources of chemical pollution of surface and wastewater. − Once known and unknown chemicals have entered the environment, they are challenging to remove because they are not fully biotransformed or eliminated by current effluent treatments . Therefore, they end up in downstream waterways where they permeate sediment and soil and bioaccumulate through the trophic chain, eventually causing untoward health effects in humans (e.g., refs , , and ).…”

Section: Broadening the Use Of The Sentinel Species Daphniamentioning

confidence: 99%

Daphnia as a Sentinel Species for Environmental Health Protection: A Perspective on Biomonitoring and Bioremediation of Chemical Pollution

Abdullahi

Abdallah

et al. 2022

Environ. Sci. Technol.

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Despite available technology and the knowledge that chemical pollution damages human and ecosystem health, chemical pollution remains rampant, ineffectively monitored, rarely prevented, and only occasionally mitigated. We present a framework that helps address current major challenges in the monitoring and assessment of chemical pollution by broadening the use of the sentinel species Daphnia as a diagnostic agent of water pollution. And where prevention has failed, we propose the application of Daphnia as a bioremediation agent to help reduce hazards from chemical mixtures in the environment. By applying “omics” technologies to Daphnia exposed to real-world ambient chemical mixtures, we show improvements at detecting bioactive components of chemical mixtures, determining the potential effects of untested chemicals within mixtures, and identifying targets of toxicity. We also show that using Daphnia strains that naturally adapted to chemical pollution as removal agents of ambient chemical mixtures can sustainably improve environmental health protection. Expanding the use of Daphnia beyond its current applications in regulatory toxicology has the potential to improve both the assessment and the remediation of environmental pollution.

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Spatial distribution of persistent organic pollutants in the surface water of River Brahmaputra and River Ganga in India

Cited by 24 publications

References 10 publications

Studies on persistent organic pollutants residue in water, sediment and fish tissues of river Sutlej, India

Studies on persistent organic pollutants residue in water, sediment and fish tissues of river Sutlej, India

Polycyclic Aromatic Hydrocarbons (PAHs) in aquatic ecosystem exposed to the 2020 Baghjan oil spill in upper Assam, India: Short-term toxicity and ecological risk assessment

Daphnia as a Sentinel Species for Environmental Health Protection: A Perspective on Biomonitoring and Bioremediation of Chemical Pollution

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