Determination Of Polycyclic Aromatic Hydrocarbons From Incineration Emission Samples
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Determination Of Polycyclic Aromatic Hydrocarbons From Incineration Emission Samples
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Author : Robert Cebula
language : en
Publisher:
Release Date : 1988
Determination Of Polycyclic Aromatic Hydrocarbons From Incineration Emission Samples written by Robert Cebula and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Flue gases categories.
Stack emissions from five sources (one pulverized coal combustion operation, three sewage sludge incineration operations and one gray tin refractory operation) were sampled by use of U.S. EPA Modified Method 5 isokinetic sampling unit for vapor and particulate effluent. The sampling unit provided XAD-2 resin samples, polytetrafluoroethylene and glass fiber filters and impinger washings of dichloromethane. The resins were soxhlet extracted using dichloromethane (DCM) and the filters were soxhlet extracted using DCM followed by acetone. Fractionation of extracts was accomplished by thin layer chromatography. The resulting fractions were analyzed for polycyclic aromatic hydrocarbons (PAH), nitro-PAH and quinone-PAH by high-performance liquid chromatography (HPLC). Extractable organic matter (EOM) was also determined with a [sic] electrobalance. XAD samples from a gray tin refractory, and three sewage sludge incinerators higher molecular weight PAH. The volatility of the low MW PAH was responsible for the high concentration found in the resins. The lower boiling point of the higher MW PAH and the stronger association of high MW PAH with fly ash are reasons for their presence in the filter samples. No nitro-PAH or quinone-PAH compounds were detected in the emission samples. Of the four XAD resins analyzed for B(a)P by fluorescence scanning three samples showed very similar results. Concentrations from the three sources resulted from two different operations. Comparison of the HPLC results for B(a)P and fluorescence scanning of selected XAD resins have not resulted in good agreement. Phthalates tend to interfere with the HPLC chromatogram in the area where B(a)P elutes. This most likely is the reason for the disagreement. Tetrachloro-p-dibenzodioxin was observed in the resin and washings of the Parsippany Troy Hills source (sewer sludge incinerator). Heptachloro-p-dibenzodioxin was observed in the filter samples of the PSE & G source (coal combustion). The higher chlorinated species seem to form a stronger association with the particulate and a weaker association with the lower chlorinated species.
Handbook Of Polycyclic Aromatic Hydrocarbons
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Author : Bjorseth
language : en
Publisher: CRC Press
Release Date : 1985-12-06
Handbook Of Polycyclic Aromatic Hydrocarbons written by Bjorseth and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985-12-06 with Science categories.
This volume concerns sources of polycyclic aromatic hydrocarbons (PAH), their emission factors, and relative importance. It deals with exposure, uptake, metabolism, and detection of PAH in the human body. The volume contains an update of information in environmental and biochemical studies of PAH.
Polycyclic Aromatic Hydrocarbons
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Author :
language : en
Publisher: National Academies Press
Release Date : 1983-01-01
Polycyclic Aromatic Hydrocarbons written by and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983-01-01 with Air categories.
The Determination Of Polycyclic Aromatic Hydrocarbons In The Emissions Generated By The Incineration Of Cytotoxic Hospital Waste
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Author : Nichola Porter
language : en
Publisher:
Release Date : 1989
The Determination Of Polycyclic Aromatic Hydrocarbons In The Emissions Generated By The Incineration Of Cytotoxic Hospital Waste written by Nichola Porter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Antineoplastic agents categories.
Analysis Of Polycyclic Aromatic Hydrocarbons In Environmental Samples
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Author : Harold Egan
language : en
Publisher:
Release Date : 1979
Analysis Of Polycyclic Aromatic Hydrocarbons In Environmental Samples written by Harold Egan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Analytical chemistry categories.
Wastewater Treatment
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Author : Amy J. Forsgren
language : en
Publisher: CRC Press
Release Date : 2018-10-08
Wastewater Treatment written by Amy J. Forsgren and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-08 with Science categories.
This book describes the sources of water contamination by PAHs and their transportation and fate in natural aquatic systems. It then discusses, from the analytical chemist’s view, how to determine the presence of PAHs in water and wastewater, and the changes in PAH concentration during treatment processes. The text examines the removal of PAHs using membrane bioreactors and advanced sludge processes, highlighting results from both demonstration and full-scale plants. It also examines the presence of PAHs in conventional wastewater treatment plants, especially in sludge.
Toxicological Profile For Polycyclic Aromatic Hydrocarbons
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Author :
language : en
Publisher:
Release Date : 1995
Toxicological Profile For Polycyclic Aromatic Hydrocarbons written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Polycyclic aromatic hydrocarbons categories.
Recent Advances For Polycyclic Aromatic Analysis In Airborne Particulate Matter
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Author : Hugo Albeiro Saldarriaga Noreña
language : en
Publisher:
Release Date : 2019
Recent Advances For Polycyclic Aromatic Analysis In Airborne Particulate Matter written by Hugo Albeiro Saldarriaga Noreña and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Science categories.
Polycyclic aromatic hydrocarbons (PAHs) are formed in natural processes during combustion of biomass (e.g., forest fires) and by anthropogenic activities at high temperatures. In according with the suggestion the major sources of PAHs in the environment. The main sources of PAHs come basically from heat and power generation (e.g., coal, gas, wood, and oil), industrial processes (e.g., coke production), refuse burning and vehicle emissions. Human exposure to airborne PAHs can result from these processes, as well as from emissions from other sources, such as cooking, smoking, and materials containing PAHs (e.g., petroleum products and fuels). The potential serious health effects resulting from acute and chronic human exposure to PAHs are of concern. For this reason, the identification and quantification of PAHs in airborne particles have been a real challenge, given the multiple impacts that these substances represent for human health. In the last decade, multiple technological developments have been implemented, ranging from sampling systems, extraction and analysis of these compounds with the aim of obtaining more accurate and reliable results. This chapter was prepared to describe and to assess the state of the art about the evolution and application of sampling, extraction and analysis methodologies for the determination of PAHs in airborne particles.
Effective Extraction Method For The Determination Of Polycyclic Aromatic Hydrocarbons Pahs In Environmental Samples
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Author : Sornnarin Bangkedphol
language : en
Publisher:
Release Date : 2004
Effective Extraction Method For The Determination Of Polycyclic Aromatic Hydrocarbons Pahs In Environmental Samples written by Sornnarin Bangkedphol and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Polycyclic aromatic hydrocarbons categories.
Who Guidelines For Indoor Air Quality
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Author :
language : en
Publisher: World Health Organization
Release Date : 2010
Who Guidelines For Indoor Air Quality written by and has been published by World Health Organization this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with House & Home categories.
This book presents WHO guidelines for the protection of public health from risks due to a number of chemicals commonly present in indoor air. The substances considered in this review, i.e. benzene, carbon monoxide, formaldehyde, naphthalene, nitrogen dioxide, polycyclic aromatic hydrocarbons (especially benzo[a]pyrene), radon, trichloroethylene and tetrachloroethylene, have indoor sources, are known in respect of their hazardousness to health and are often found indoors in concentrations of health concern. The guidelines are targeted at public health professionals involved in preventing health risks of environmental exposures, as well as specialists and authorities involved in the design and use of buildings, indoor materials and products. They provide a scientific basis for legally enforceable standards.