PAHsFlame retardantPolyaromatic hydrocarbonsOrganotinDerivativesCompoundsPesticidesEthersOrganophosphateCombustionConcentrationsOrganicToxicChinaSimilarFlame retardantsPolycyclicAliphatic and aromatic hydrocarbonsAromatic hydrocarbonsSubstancesPolychlorinated biphenylsArylPBDEsBROMINEPFASHexabromocyclododecanePyrolysisPerfluoroalkylPetroleumChemicalsHYDROGENLiquidContentGroup
PAHs5
- Chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons with two or more aromatic rings and one or more chlorine atoms attached to the ring system. (wikipedia.org)
- Polycyclic aromatic hydrocarbons (PAHs) and their alkylated, nitrated and oxygenated derivatives in the atmosphere over the Mediterranean and Middle East seas, Atmospheric Chemistry and Physics, 22(13), 8739-8766, doi:10.5194/acp-22-8739-2022, 2022. (mpic.de)
- Air, water and sediment pore-water deployed samplers were analyzed for 63 alkyl and unsubstituted polycyclic aromatic hydrocarbons (PAHs), 43 brominated and organophosphate flame retardants and 52 polychlorinated biphenyls (PCBs). (clu-in.org)
- For the second study, they investigated vapor-phase polycyclic aromatic hydrocarbons (PAHs) in indoor and outdoor air before, during and after wildfires using a community-engaged research approach. (clu-in.org)
- Recent work has revealed that common PPE cleaning practices, which are becoming increasingly more common in the fire service, are not effective in removing certain contaminants, such as polycyclic aromatic hydrocarbons (PAHs), from PPE. (cdc.gov)
Flame retardant1
- It uses a non-brominated, non-chlorinated flame retardant formulation that meets the UL 94 V0 standard at 0.6 mm. (hydrocarbonengineering.com)
Polyaromatic hydrocarbons2
- The biological samples were analyzed for 5 metals, 26 polychlorinated biphenyls, 10 brominated flame retardants, 9 PFAS, and 8 urinary polyaromatic hydrocarbons. (cdc.gov)
- There is a lot of burning of waste in Africa, which generates new, even more, toxic chemicals such as chlorinated and brominated dioxins and polyaromatic hydrocarbons. (co.ke)
Organotin1
- Pesticides were by far the major toxicants of freshwater systems, although, organotin compounds, brominated flame retardants and combustion-derived polycyclic aromatic hydrocarbons, also occurred at critical levels of concentration. (sciencedaily.com)
Derivatives1
- The applicable subheading for Methyl Chloride will be 2903.30.1520 , Harmonized Tariff Schedule of the United States (HTS), which provides for halogenated derivatives of hydrocarbons: fluorinated, brominated, or iodinated derivatives of acyclic hydrocarbons. (faqs.org)
Compounds1
- Chlorinated polycyclic aromatic hydrocarbons are generated by combustion of organic compounds. (wikipedia.org)
Pesticides1
- Contaminants detected in surface water include caffeine, personal care products, pharmaceuticals, pesticides and polycyclic aromatic hydrocarbons. (scielo.org.za)
Ethers1
- Additionally, polybrominated diphenyl ethers (PBDEs), which are brominated aromatic hydrocarbons heavily used as flame-retardants in plastics, possess structural variations similar to PCBs ( Talsness, 2008 ). (frontiersin.org)
Organophosphate1
- For example, brominated flame retardants and organophosphate esters are used as a safety material in things like appliances or insulation. (labroots.com)
Combustion1
- Model Evaluation of Indoor Exposure to Polychlorinated Dibenzo-p-Dioxins and Dibenzofurans and Polycyclic Aromatic Hydrocarbons from Household Fuel Combustion in Rural Areas of Tibetan Plateau, Exposure and health, 14, doi:10.1007/s12403-022-00482-4, 2022. (mpic.de)
Concentrations2
- Corrigendum to "Three years of atmospheric concentrations of nitrated and oxygenated polycyclic aromatic hydrocarbons and oxygen heterocycles at a Central European background site" [Chemosphere 269 (2021) 128738], Chemosphere, 300, doi:10.1016/j.chemosphere.2022.134757, 2022. (mpic.de)
- Specifically, the invention provides a composition comprising a refrigerant, the refrigerant comprising a mixture of fluorinated hydrocarbons, the mixture comprising difluoromethane (R32), pentafluoroethane (R125), and 1,1,1,2-tetrafluoroethane (R134a) at specific concentrations, the fluorinated hydrocarbons contained in the mixture having a specific composition ratio. (justia.com)
Organic1
- Scientists suspect the stratospheric levels of ozone have declined in part due to emissions of CFCs and other chlorinated and brominated organic molecules. (environics.com)
Toxic1
- One of the well-established mechanisms by which chlorinated polycyclic aromatic hydrocarbons can exert their toxic effects is via the function of the aryl hydrocarbon receptor (AhR). (wikipedia.org)
China1
- This article shows the effects of PM10 collected in different seasons in Taiyuan, China, looking at polycyclic aromatic hydrocarbons and carbon loading, and their possible association with brain ischemia-like injuries. (acs.org)
Similar1
- They are structurally similar to other halogenated hydrocarbons such as polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs), and polychlorinated biphenyls (PCBs). (wikipedia.org)
Flame retardants10
- Previous studies found 2,4,6-TBP levels in human tissues were significantly higher than those of brominated flame retardants measured in the same samples. (nih.gov)
- The biological samples were analyzed for 5 metals, 26 polychlorinated biphenyls, 10 brominated flame retardants, 9 PFAS, and 8 urinary polyaromatic hydrocarbons. (cdc.gov)
- Further analyses of additional compounds, including polycyclic aromatic hydrocarbons, polychlorinated dibenzo-dioxins and polychlorinated dibenzofurans, and brominated flame retardants, are necessary to answer outstanding questions about the role of environmental contaminants in the development of beak deformities in black-capped chickadees. (usgs.gov)
- Workers, aiming to recover valuable materials such as copper and gold, are at risk of exposure to over 1,000 harmful substances, including lead, mercury, nickel, brominated flame retardants and polycyclic aromatic hydrocarbons (PAHs). (sonnenseite.com)
- Contaminants found in the ISS dust included polybrominated diphenyl ethers (PBDEs), hexabromocyclododecane (HBCDD), 'novel' brominated flame retardants (BFRs), organophosphate esters (OPEs), polycyclic aromatic hydrocarbons (PAH), perfluoroalkyl substances (PFAS), and polychlorinated biphenyls (PCBs). (filtsep.com)
- Brominated flame retardants (BFRs) are bromine containing compounds that are added to substances to inhibit or reduce their rate of combustion. (menanews.club)
- Different Polybrominated diphenyl ethers (PBDEs) and polybrominated biphenyls (PBBs) belong to a class of chemicals that are added to certain manufactured products Polybrominated diphenyl ethers (PBDEs) are a class of brominated hydrocarbons that have been used as flame retardants in a variety of products, such as textiles, Jun 12, 2017 Location: Animal Metabolism-Agricultural Chemicals Research. (web.app)
- A recent report from Greenpeace has identified brominated flame retardants and PCBs in eels from rivers and lakes in 10 European countries. (iisd.org)
- Some of these varieties of pollutants include polybrominated diphenyl ethers (PBDEs), hexabromocyclododecane (HBCDD), novel brominated flame retardants (BFRs), organophosphate esters (OPEs), polycyclic aromatic hydrocarbons (PAH), perfluoroalkyl substances (PFAS), and polychlorinated biphenyls (PCBs). (futurespaceworld.com)
- The use of brominated flame retardants and incineration of bromine-containing materials has lead to an increase in polybrominated dibenzo-p-dioxins and dibenzofurans (PBDD/Fs) in the environment. (nih.gov)
Polycyclic13
- Chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons with two or more aromatic rings and one or more chlorine atoms attached to the ring system. (wikipedia.org)
- Chlorinated polycyclic aromatic hydrocarbons are generated by combustion of organic compounds. (wikipedia.org)
- One of the well-established mechanisms by which chlorinated polycyclic aromatic hydrocarbons can exert their toxic effects is via the function of the aryl hydrocarbon receptor (AhR). (wikipedia.org)
- 2. Investigation of polycyclic aromatic hydrocarbon content in fly ash and bottom ash of biomass incineration plants in relation to the operating temperature and unburned carbon content. (nih.gov)
- 4. Metal leachability, heavy metals, polycyclic aromatic hydrocarbons and polychlorinated biphenyls in fly and bottom ashes of a medical waste incineration facility. (nih.gov)
- 10. Levels and patterns of polycyclic aromatic hydrocarbons in coal-fired power plant bottom ash and fly ash from Huainan, China. (nih.gov)
- 15. Occurrence, profiles, and toxic equivalents of chlorinated and brominated polycyclic aromatic hydrocarbons in E-waste open burning soils. (nih.gov)
- Chlorinated and brominated polycyclic aromatic hydrocarbons (Cl/Br-PAHs) are persistent organic pollutants, and controlling their adverse effects requires the identification of their sources. (researchsquare.com)
- Chlorine- or bromine-substituted polycyclic aromatic hydrocarbons (Cl/Br-PAHs) are emerging persistent organic pollutants, the congeners of which are considered much more toxic than those of their corresponding parent PAHs (dos Santos et al. (researchsquare.com)
- Details for: Selected nitro and nitro-oxy-polycyclic aromatic hydrocarbons. (who.int)
- Influences of temperature, waste size and residence time on the generation of polycyclic aromatic hydrocarbons during the fast pyrolysis of medical waste', فیزیولوژی و بیوتکنولوژی آبزیان , 18(1), pp. 47-57. (ac.ir)
- Polycyclic aromatic hydrocarbons (PAHs) are pyrolysis by-products and major environmental pollutants. (ac.ir)
- Higher concentrations of phthalate esters (PAEs) were detected in the lake-river system, ranging from 1154.5 to 22,732.8 ng/L, followed by antibiotics and polycyclic aromatic hydrocarbons (PAHs), while historical pollutant residues were comparably lower. (bvsalud.org)
Aliphatic and aromatic hydrocarbons1
- It reacts vigorously with Amines, Olefins and Phenols as well as Aliphatic and Aromatic Hydrocarbons, Ketones and Acids, Brominating them either by addition or substitution. (icl-ip.com)
Aromatic hydrocarbons1
- Researchers found phthalates , phenols, perchlorate , polychlorinated biphenyls (PCBs), organochlorine pesticides (such as DDT), perfluorinated compounds (PFCs) and polycylic aromatic hydrocarbons in 99 percent to 100 percent of pregnant women. (newhope.com)
Substances1
- Here, we hypothesized that high levels of 2,4,6-TBP in human tissues are partially from the indirect exposure sources, such as biotransformation of highly brominated substances. (nih.gov)
Polychlorinated biphenyls1
- They are structurally similar to other halogenated hydrocarbons such as polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs), and polychlorinated biphenyls (PCBs). (wikipedia.org)
Aryl2
- Aryl Hydrocarbon Receptor (AhR) is a cytosolic, ligand-activated transcription receptor. (wikipedia.org)
- Expression of xenobiotic metabolizing enzyme (XME) and thyroxine transport protein (Ttr) genes in liver was measured by PCR to assess aryl hydrocarbon-mediated responses. (nih.gov)
PBDEs1
- PBDEs are brominated hydrocarbons in which 2-10 bromine atoms are attached to the molecular structure (ATSDR 2015). (web.app)
BROMINE1
- Hydrocarbon compounds with one or more HYDROGEN atoms substituted with BROMINE . (nih.gov)
PFAS2
- PAH are present in hydrocarbon fuels and emitted from combustion processes, PCBs were used in building and window sealants and in electrical equipment as dielectric fluids, while PFAS have been used in applications like stain proofing agents for fabrics and clothing. (filtsep.com)
- Miners are also looking beyond contamination issues with traditional contaminants such as hydrocarbons and are touching on emerging contaminants such as PFAS and other more niche chemicals such as brominated fire retardants. (tetratechcoffey.com)
Hexabromocyclododecane1
- For example, hexabromocyclododecane (HBCD), a brominated hydrocarbon, was a market-leading FR additive until regulators stepped in. (timbertradernews.com)
Pyrolysis2
- Currently, new pyrolysis technologies are being used to treat medical waste that can reduce the amount of landfilled waste, make it safe, and eventually convert it to a hydrocarbon fuel. (ac.ir)
- The pyrolysis of brominated flame retardant containing high impact polystyrene (HIPS-Br) mixed with poly(ethylene terephthalate) (PET) was performed at 430°C under atmospheric pressure by a batch operation. (elsevierpure.com)
Perfluoroalkyl1
- There is less indication of an association between other nonorganochlorine POPs, such as perfluoroalkyl acids and brominated compounds, and type 2 diabetes. (nih.gov)
Petroleum1
- Within the framework of the financing program Sustainable Development Technology Canada (SDTC), Enutech developed and fine tuned various formulas, both chemical and biological, targeting the degradation of petroleum hydrocarbons in soil and groundwater. (enutech.ca)
Chemicals1
- Consequently, brominated and chlorinated FR agents have been phased out of use (with the exception of some legacy markets) and the chemicals industry has been actively seeking alternative FR agents. (timbertradernews.com)
HYDROGEN1
- A brominated hydrocarbon produced by reacting n-propyl alcohol with hydrogen bromide. (nih.gov)
Liquid1
- We attempted the debromination of brominated liquid hydrocarbons using iron and calcium based carbon composites for the production of halogen free liquid hydrocarbons, which can be used as a feedstock in a refinery or as a fuel. (elsevierpure.com)
Content1
- Cement plants' flue gas may also contain hydrocarbons in trace concentrations, and operators may face limits on the Total Hydrocarbon Content (THC) of the stack gas. (norit.com)
Group1
- Relying on the high reactivity of the BrPMS (i.e., brominated p-methylstyrene) group on BIMS, inter-chain associations in BIMS could be introduced through conversion of BrPMS to various strong interacting groups to raise the apparent molecular weights of BIMS and its viscosity. (allindianpatents.com)