2024 Remediating vinyl chloride in groundwater

Remediating vinyl chloride in groundwater

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August undefined, 2024

WebSloane K. Tilley, Rebecca C. Fry, in Systems Biology in Toxicology and Environmental Health, 2015 Exposure Sources of Vinyl Chloride. Almost all vinyl chloride is produced to make polyvinyl chloride products including pipes, wires, and packaging materials [109].While most vinyl chloride evaporates into the atmosphere upon emission into the environment, … WebAug 22, 2024 · Groundwater was encountered at a depth of 6 to 20 ft. below ground surface (bgs). The overlying soils were sands and silts. Eight rounds of groundwater sampling …

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WebUse of reduced metals has attracted much attention since it possesses a great potential for eliminating reducible contaminants in groundwater such as heavy metals and chlorinated compounds. However, products of metal-mediated reactions for many chlorinated hydrocarbons have not clearly been identified. In addition, consumption of the metals, … WebDec 9, 2009 · Direct aerobic biodegradation of vinyl chloride (VC) offers a remedial solution for persistent vinyl chloride plumes that are not amenable to the anaerobic process of … residence inn dfw north

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WebThe Fate of Vinyl Chloride in Aquifers Vinyl Chloride (VC) is a proven human carcinogen and a major risk factor in many contaminated aquifers. When present above the maximum … WebTreated water exits the other side of the permeable reactive barrier. This in situ method for remediating dissolved-phase contaminants in groundwater combines a passive chemical or biological treatment zone with subsurface fluid flow management. The permeable reactive barrier can be installed as permanent unit or as a semi-permanent unit. WebBy careful evaluation of the redox conditions in groundwater systems, a clearer understanding of the biodegradation and natural attenuation of chlorinated ethenes in the environment can be achieved. Keywords. Redox Condition; Sulfate Reduction; Vinyl Chloride; Groundwater System; Natural Attenuation; These keywords were added by machine and … residence inn dc foggy bottom

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WebDec 11, 2006 · that the reported health concerns are not likely to be related to exposure to vinyl chloride, to any other contaminant—or to a combination of contaminants—detected in the MGTP well water. At the time of the MGTP health consultation’s release, however, the source of the vinyl chloride-contaminated groundwater plume had not been determined. Webbeneficial for remediating VC plumes where they may be absent or at low abundance in groundwater. Approach/Activities: Existing VC-oxidizing enrichment cultures were … protection inoxWebOct 9, 2010 · Dichloroethylene isomers (mainly 1,2-cis dichloroethylene-cDCE) and vinyl chloride (VC) may be found associated to PCE and TCE in groundwater as byproducts of anaerobic/reductive microbial ... residence inn daytona beach fl

"WebWhat is vinyl chloride and what are the health effects if I am exposed to it? Vinyl chloride, also called VC, is a manufactured substance used to make polyvinyl chloride (PVC). PVC is used to make a variety of plastic products, including pipes, wire and cable coatings, and packaging materials. Vinyl chloride can also be formed when other ... " - Remediating vinyl chloride in groundwater

Remediating vinyl chloride in groundwater

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WebSulfate is ubiquitous in groundwater, with both natural and anthropogenic sources. Sulfate reduction reactions play a significant role in mediating redox conditions and … WebDehalococcoides DNA was detected within and downgradient of the Biowall, corresponding to the observation that vinyl chloride was produced at these locations. Results from a …

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WebJan 11, 2024 · Vinyl chloride (VC) as well as cis-dichloroethylene (cis-DCE), trichloroethylene (TCE), and tetrachloroethylene (PCE) were detected in the trees, documenting that … WebDec 1, 2009 · DOI: 10.1002/REM.20242 Corpus ID: 96891327; Assessment and monitoring tools for aerobic bioremediation of vinyl chloride in groundwater @article{Begley2009AssessmentAM, title={Assessment and monitoring tools for aerobic bioremediation of vinyl chloride in groundwater}, author={James F. Begley and Eric …

WebActivation of the persulfate is often required to facilitate the kinetics. As vinyl chloride does not readily sorb to soils, injection strategies have to be developed to avoid spreading … Web56 was estimated. According to estimated Koc values, vinyl chloride will be expected to be highly mobile in soil and it may leach to the groundwater. It may be subject to biodegradation under anaerobic conditions such as exists in flooded soil and groundwater. If released to water, vinyl chloride will rapidly evaporate.

WebApr 5, 2016 · Vinyl chloride (VC) is a carcinogen generated in groundwater by reductive dechlorination of chloroethenes. Under aerobic conditions, etheneotrophs oxidize ethene … Webglues. TCE is a common environmental contaminant found in groundwater. It can evaporate easily into the air. It breaks down to form other chemicals, such as vinyl chloride. Tetrachloroethylene (PCE), also known as perchloroethylene or perc, is a manufactured chemical used for dry cleaning and metal degreasing.

WebApr 5, 2016 · Vinyl chloride (VC) is a carcinogen generated in groundwater by reductive dechlorination of chloroethenes. Under aerobic conditions, etheneotrophs oxidize ethene and VC, while VC-assimilators can use VC as their sole source of carbon and energy. Methanotrophs utilize only methane but can oxidize eth …

WebOct 5, 2009 · The ERH system operated for 369 days in 3 separate stages to achieve the stringent remediation goals. Performance goals were set for both soil and groundwater as follows: Reduce MeCl concentrations at all confirmatory soil sampling points to less than 1 mg/kg, Reduce groundwater concentrations of MeCl to 120 μg/l, and Reduce dissolved … protection inox plancha protection inox cuisineWeb6 hours ago · A fire at a scrap plastics business in Indiana raises numerous health concerns for people in the area — particularly with the discovery of asbestos in debris, experts said Friday. protection in real timeWebUse of reduced metals has attracted much attention since it possesses a great potential for eliminating reducible contaminants in groundwater such as heavy metals and chlorinated … residence inn dickson city paWebFeb 1, 2024 · Recalcitrant groundwater contamination is a common problem at hazardous waste sites worldwide. Groundwater contamination persists despite decades of remediation efforts at many sites because contaminants sorbed or dissolved within low-conductivity zones can back diffuse into high-conductivity zones, and therefore act as a continuing … protection instituteWebof vinyl chloride introduced into surface waters. Half-lives reported for volatilization from surface waters range from about 1 to 40 h (IPCS, 1999). When released to the ground, … residence inn digital way indianapolisWeb10 hours ago · Deep geologic formations like the Mt. Simon sandstone can spread over thousands of square miles and hold toxic chemicals far below the lowermost groundwater sources. At VE, the waste is injected 2,900 feet beneath the surface – 1,600 feet below the lowest source of drinking water. Some of the stone deep below the site is 560 million … protection inox porte