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61,005 resultsShowing papers similar to Levels of Polycyclic Aromatic Hydrocarbons in the Water and Sediment of Buffalo River Estuary, South Africa and Their Health Risk Assessment
ClearHealth Risk Assessment of PAHs from Estuarine Sediments in the South of Italy
Researchers assessed polycyclic aromatic hydrocarbon (PAH) contamination in sediments from three rivers in southern Italy and evaluated the associated cancer risk. The study found that while the risk from accidental ingestion was low, dermal contact with contaminated sediments posed a moderate cancer risk, providing a scientific basis for pollution control measures in the region.
Contamination Levels and Accumulation Profiles of Polycyclic Aromatic Hydrocarbons (PAHs) in Surface Sediments from South Central Coast of Vietnam
Polycyclic aromatic hydrocarbons were quantified in surface sediments from the South Central Coast of Vietnam, characterizing sources, spatial distribution, and potential ecological risk from these hydrophobic persistent organic pollutants.
Distribution, Source Appropriation, and Human Health Risk Assessment of Polycyclic Aromatic Hydrocarbons due to Consumption of Callinectes amnicola from Woji Creek inSambreiro River
Researchers measured PAH contamination in crabs from a Nigerian river and assessed the cancer risk from eating them, finding elevated concentrations of harmful aromatic hydrocarbons. Children and young adults faced the highest calculated cancer risk from crab consumption at these levels.
POLYCYCLIC AROMATIC HYDROCARBONS (PAHs) IN INDRAMAYU COASTAL, WEST JAVA: DISTRIBUTION, SOURCE, AND ECOLOGICAL RISK ASSESSMENT
Researchers assessed the distribution, sources, and ecological risk of polycyclic aromatic hydrocarbons in seawater and sediment samples from Indramayu Coast in West Java, Indonesia. Low molecular weight PAHs dominated, and source analysis pointed to both petrogenic and pyrogenic origins.
Biodegradation and Impact of Polycyclic Aromatic Hydrocarbons in the Environment: A Review
This review examines polycyclic aromatic hydrocarbons (PAHs) — toxic compounds produced by incomplete combustion of fuels — covering their environmental sources, biodegradation pathways, and health risks including cancer, which they pose to humans, animals, and ecosystems.
Environmental Impact Of 2A 2B Carcinogenic Polycyclic Aromatic Hydrocarbons (PAHs) in Industrial Soil: Status, Profile, Concentration and Assessment to Humans Health Risk
Researchers collected surface soil samples from five industrial zones in Riyadh and quantified IARC Group 2A and 2B carcinogenic polycyclic aromatic hydrocarbons, assessing cancer risk to adults and children via ingestion, dermal contact, and dust inhalation pathways, finding that children faced elevated risk due to soil ingestion behavior.
First assessment of Polycyclic Aromatic Hydrocarbons contamination and associated human health risk in Mullet (Liza aurata) from Tunisia: case of Bizerte and Ghar El Melh Lagoons
Researchers measured 15 priority polycyclic aromatic hydrocarbons (PAHs) in mullet (Liza aurata) muscle tissue from two Tunisian lagoons (Bizerte and Ghar El Melh) in the first assessment of PAH contamination in biota from these ecosystems. PAH levels were comparable to or lower than global fish specimens, with chemical profiles indicating both petrogenic and pyrolytic anthropogenic sources.
Distribution, source identification, and ecological risk of PAHs in a large river- reservoir system
Researchers assessed the distribution, sources, and ecological risk of 16 polycyclic aromatic hydrocarbons (PAHs) in the Dongjiang river-reservoir system in China, finding total PAH concentrations of 102.2-407.6 ng/L with naphthalene dominant, and attributing pollution primarily to charcoal, coal, and gasoline combustion sources.
Polycyclic Aromatic Hydrocarbons in Soil and Vegetation of Niger Delta, Nigeria: Ecological Risk Assessment
Researchers assessed polycyclic aromatic hydrocarbon contamination in soils and vegetation across Nigeria's Niger Delta, finding elevated PAH levels in both matrices near oil exploration sites with ecological risk indices indicating significant environmental concern.
Estimation of Polycyclic Aromatic Hydrocarbons in Groundwater from Campania Plain: Spatial Distribution, Source Attribution and Health Cancer Risk Evaluation
Researchers measured concentrations of polycyclic aromatic hydrocarbons, a group of potentially cancer-causing chemicals, in over 1,100 groundwater samples from the Campania Plain in southern Italy. They found the highest contamination levels in the Caserta Province area and used diagnostic ratios to identify both combustion and petroleum sources. The health risk assessment indicated that lifetime cancer risk from ingesting contaminated groundwater exceeded acceptable thresholds in some locations.
Assessment of the bioaccessibility of PAHs and other hazardous compounds present in recycled tire rubber employed in synthetic football fields
Researchers assessed the oral bioaccessibility of carcinogenic polycyclic aromatic hydrocarbons from recycled tire crumb rubber used in synthetic football fields, finding 17 of 18 target PAHs present in simulated body fluids with potential health risks for children.
Occurrence, Composition, and Risk Assessment of Microplastics and Adsorbed Polycyclic Aromatic Hydrocarbons (PAHs) in Urban Drainage Sediments Along the Yangtze River, China
Urban drainage sediments from three Yangtze River cities contained 130–564 microplastic particles per 100 grams, with the highest concentrations near commercial and campus areas, and polycyclic aromatic hydrocarbons (PAHs) were found adsorbed to many particles. Microplastics acting as carriers for toxic PAHs in stormwater systems represent a compounded threat to aquatic ecosystems and drinking water sources.
Ecotoxicological Risk Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) in Smoke-Dried Clarias gariepinus (Burchell, 1822) from Selected Markets in Benin City, Nigeria
This paper is not about microplastics; it measures polycyclic aromatic hydrocarbon (PAH) levels in smoke-dried catfish sold in markets in Benin City, Nigeria, finding naphthalene as the main risk compound and calculating cancer risk factors for consumers.
Sources, Occurrences, and Risks of Polycyclic Aromatic Hydro-Carbons (PAHs) in Bangladesh: A Review of Current Status
This review examines levels of polycyclic aromatic hydrocarbons (PAHs), toxic chemicals from burning fossil fuels, across water, soil, air, and seafood in Bangladesh, finding concentrations higher than in most other countries. Health assessments revealed both cancer and non-cancer risks to residents from eating contaminated seafood. While focused on PAHs rather than microplastics directly, the findings are relevant because microplastics can absorb and concentrate these same cancer-causing chemicals, potentially worsening human exposure.
Environmental Risk Assessment of Polycyclic Aromatic Hydrocarbons in Farmland Soils near Highways: A Case Study of Guangzhou, China
Researchers assessed polycyclic aromatic hydrocarbon (PAH) contamination in roadside farmland soils near highways in Guangzhou, China across seasons, finding that PAH levels near high-traffic roads were significantly elevated above background. Vehicle emissions and tire wear were identified as the primary PAH sources, with carcinogenic risk scores exceeding safe thresholds at several sites.
Occurrence of Polycyclic aromatic hydrocarbons (PAHs) in mullet (Liza aurata) from Bizerte and Ghar El Melh Lagoons (Tunisia) and associated human health risk assessment
Researchers measured concentrations of 15 priority polycyclic aromatic hydrocarbons (PAHs) in golden grey mullet (Liza aurata) muscle tissue from the Bizerte and Ghar El Melh Lagoons in Tunisia, finding PAH levels comparable to or lower than those reported globally for fish. Human health risk assessment indicated that PAH intake from mullet consumption does not pose a significant cancer risk to local consumers, though the detected compound profiles revealed both petrogenic and pyrolytic contamination sources.
Source identification and risk assessment of polycyclic aromatic hydrocarbons (PAHs) in air and dust samples of Lahore City
Researchers measured cancer-causing compounds called polycyclic aromatic hydrocarbons (PAHs) in the air and street dust of Lahore, Pakistan across summer and winter seasons, finding dangerously high cancer risk levels — especially for children — from breathing and skin contact. Vehicle exhaust, burning diesel, and biomass combustion were identified as the primary sources of this toxic air pollution.
Toxicities of Polycyclic Aromatic Hydrocarbons for Aquatic Animals
This review examines the toxicity of polycyclic aromatic hydrocarbons (PAHs) in aquatic animals, including their effects on hormones, tissue damage, and cancer risk. Researchers highlight the growing concern about microplastics acting as carriers for these harmful chemicals in water environments. The study emphasizes the need to address PAH pollution in aquatic ecosystems, particularly as microplastics may increase organisms' exposure to these toxic compounds.
Seasonal variation, source identification, and health risk assessment of atmospheric polycyclic aromatic hydrocarbons (PAHs) in Ulsan, South Korea
Researchers monitored air pollution at a residential site in South Korea over three seasons and found that cancer-causing polycyclic aromatic hydrocarbons (PAHs) — byproducts of coal and oil burning — were highest in winter and partly blew in from China and North Korea, with some lesser-studied PAH types posing underappreciated health risks.
Accumulation of Polycyclic Aromatic Hydrocarbons (PAHs) in wildlife rats tissues inhabiting landfills
Researchers collected wild rats from landfill sites in four locations and measured polycyclic aromatic hydrocarbon (PAH) accumulation in their liver, kidneys, abdominal tissue, and blood, finding significant bioaccumulation that reflects ongoing contamination at waste disposal sites.
Sorption, Extraction, and Characterization of Polycyclic Aromatic Hydrocarbons in Environmentally Weathered Microplastics, Particulate Organic Matter, Sediment, and Fish Species in the Lavaca-Matagorda Bay System
Researchers studied how microplastics carry cancer-causing chemicals called polycyclic aromatic hydrocarbons (PAHs) in the Lavaca-Matagorda Bay system in Texas. They found PAHs attached to microplastics, sediment, and in the digestive systems of three commercially important fish species. This shows that microplastics can act as vehicles for toxic chemicals in coastal waters, potentially affecting the safety of fish that people eat.
Physical, chemical and toxicological properties of polycyclic aromatic hydrocarbons (PAHs) in human exposure assessments to contaminated soil and groundwater
Researchers reviewed the physical, chemical, and toxicological properties of polycyclic aromatic hydrocarbons relevant to human exposure assessment in Romania, identifying gaps in groundwater regulation and proposing methodological guidelines for evaluating PAH exposure through contaminated soil and groundwater pathways.
A review of human and animals exposure to polycyclic aromatic hydrocarbons: Health risk and adverse effects, photo-induced toxicity and regulating effect of microplastics
This review examines the health risks of polycyclic aromatic hydrocarbons (PAHs), toxic chemicals from burning fossil fuels, and how microplastics can change their behavior in the environment. Microplastics absorb PAHs on their surface, potentially carrying these cancer-causing chemicals into organisms that ingest the contaminated particles. The combined toxicity of PAHs attached to microplastics may be greater than either pollutant alone, increasing risks to both wildlife and human health.
Concentration of polycyclic aromatic hydrocarbons (PAHs) in sediments from the Tampamachoco lagoon, Tuxpan River mouth, Gulf of Mexico
This paper is not about microplastics; it characterizes polycyclic aromatic hydrocarbon (PAH) contamination in sediments of a Mexican coastal lagoon, focusing on sources like fossil fuel combustion — with no substantive discussion of microplastic pollution.