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Articles 1 - 30 of 44
Full-Text Articles in Physical Sciences and Mathematics
Analiza Źródeł Emisji Związków Fluoru Z Procesów Hutnictwa Żelaza, Marian Mazur, Robert Oleniacz, Marek Bogacki
Analiza Źródeł Emisji Związków Fluoru Z Procesów Hutnictwa Żelaza, Marian Mazur, Robert Oleniacz, Marek Bogacki
Robert Oleniacz
The paper presents the results of many years of complex research issues related to the emission of fluorine compounds of iron and steel processes. They allowed to examine these processes used in raw materials in terms of the fluorine content and their impact on the amount of emissions of fluorine compounds to the air. Were determined by measuring the levels of concentration in flue gases and stack emissions of fluorine in the form of gaseous and solid compounds, including water-soluble components (considered to be toxic).
English title: Analysis of emission sources of fluorine compounds from the processes of ferrous metallurgy.
Związki Siarki Emitowane Z Procesu Wielkopiecowego, Marian Mazur, Marek Bogacki, Robert Oleniacz
Związki Siarki Emitowane Z Procesu Wielkopiecowego, Marian Mazur, Marek Bogacki, Robert Oleniacz
Robert Oleniacz
The article describes the problem of the presence of sulfur in the blast furnace process and identifies emission sources of sulfur compounds in this process. On the basis of the measurements and calculations, the types and quantities of these compounds emitted to the air were determined. It was found that pig iron smelting in a blast furnace causes emissions of COS, SO2 and H2S. These emissions occur by losses of blast furnace gas (COS and SO2), transport of blast furnace slag inside the furnace hall (SO2) and treatment of the slag by granulation (H2S). However, the most important are only …
Spalanie Odpadów W Procesie Skojarzonym Z Produkcją Klinkieru Cementowego - Problem Emisji Zanieczyszczeń, Robert Oleniacz
Spalanie Odpadów W Procesie Skojarzonym Z Produkcją Klinkieru Cementowego - Problem Emisji Zanieczyszczeń, Robert Oleniacz
Robert Oleniacz
The paper presents a review of emissions of main gaseous pollutants (including acidic constituents), some organic compounds (including dioxins and furans), particulates and heavy metals from cement kilns burning waste fuels.
A widely employed method to reduce the cost of cement production is the substitution of traditional fuels used in cement kilns with alternative and waste-derived fuels. Cement industry offers the most acceptable method of waste (especially hazardous waste) thermal treatment and disposal at much lower cost than commercial incinerators. Characteristic for cement kilns high temperatures and long residence time of exhaust gas ensure almost complete destruction of organic compounds …
Pastoral Resources And Their Management In The Sandstone-Yalgoo-Paynes Find Area, Western Australia, A M E Van Vreeswyk, P. T. Godden
Pastoral Resources And Their Management In The Sandstone-Yalgoo-Paynes Find Area, Western Australia, A M E Van Vreeswyk, P. T. Godden
Agriculture reports
This report covers about 94,700 square kilometres of rangelands in the Sandstone-Yalgoo-Paynes Find area of Western Australia. The area lies within 27°S and 30°S latitudes, and 115°30'E and 120°E longitudes and includes the towns of Sandstone, Yalgoo and Paynes Find. The northern, southern, and eastern limits of the survey area are largely defined by the boundaries of the 1:250,000 scale series map sheets.The western limit is the boundary between the pastoral and agricultural area.
Observations On Groundwater Recharge In The Westdale Catchment, M F. Lewis, C E. Mcconnell
Observations On Groundwater Recharge In The Westdale Catchment, M F. Lewis, C E. Mcconnell
Resource management technical reports
A study of the role of groundwater carriers and barriers in controlling salinity was carried out in the Westdale Catchment by Lewis and McConnell (in preparation). Although that study was primarily concerned with groundwater flow and discharge processes, the data collected also provided rudimentary information on the timing of groundwater recharge events and their distribution across the landscape.
Epa Superfund Record Of Decision: Kennecott South Zone Site, Environmental Protection Agency
Epa Superfund Record Of Decision: Kennecott South Zone Site, Environmental Protection Agency
All U.S. Government Documents (Utah Regional Depository)
This decision document presents the selected remedial action (no action) for the Bingham Creek, Large Bingham Reservoir, Anaconda/ ARCO/Copperton Tailings, Copperton Soils, portions of Bingham Canyon Historic Facilities and Bastian Sink Operable Units of the Kennecott South Zone located in Salt Lake County, which was chosen in accordance with CERCLA, as amended by SARA, and, to the extent practicable, the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This decision is based on the administrative record for this site.
Spalanie Odpadów Niebezpiecznych W Piecach Cementowych. Część 2. Destrukcja Paliwa I Emisja Zanieczyszczeń, Robert Oleniacz
Spalanie Odpadów Niebezpiecznych W Piecach Cementowych. Część 2. Destrukcja Paliwa I Emisja Zanieczyszczeń, Robert Oleniacz
Robert Oleniacz
Conditions occurring in cement rotary kilns assure high destruction and removal efficiency (DRE) of the most stable substances, efficacious dry sorption of acid gases in the alkaline raw meal and heavy metals bounding in the clinker. Adequate operation of hazardous waste incineration in the process connected with cement clinker production does not cause increasing air pollutant emissions. Magnitude of the emissions often does not depend of this if there are using wastes in the cement kiln at all. The work presents a review of DRE levels and stack emissions for selected flue-gas constituents during hazardous waste co-combustion in cement kilns …
A Kinetic Analysis Of The Conformational Flexibility Of Steroid Hormones, Steven P. Bradbury, Julian Ivanov, Ovanes Mekenyan, Gerritt Schüürmann
A Kinetic Analysis Of The Conformational Flexibility Of Steroid Hormones, Steven P. Bradbury, Julian Ivanov, Ovanes Mekenyan, Gerritt Schüürmann
Steven P. Bradbury
For a set of 10 androgen steroids and estradiol (E2), the kinetic feasibility of conformation flexibility of the cyclic moieties was studied under the constraint of maintaining the B/C trans and C/D trans ring fusion of the natural and biologically active enantiomer. To this end, the conformational energy surface was quantified using the semiempirical quantum chemical AM1 model. The computational analysis included the location of Conformational transition states with associated barriers, and intrinsic reaction coordinate (IRC) calculations to characterize the trajectories of the rotations and the relationships of the transition states to neighbouring chair and twist conformations. Conformational transformations were …
Lead Shot Concentration In Soil At The Overton Wildlife Management Area, Nevada, George R. Bertoty
Lead Shot Concentration In Soil At The Overton Wildlife Management Area, Nevada, George R. Bertoty
UNLV Theses, Dissertations, Professional Papers, and Capstones
During the spring of 1998, soil samples were collected from two areas at the Overton Wildlife Management Area (OWMA), located in the Moapa Valley of Clark County, Nevada. Lead shot has been banned for the hunting of waterfowl since 1986 but is still legal for upland game hunting. Both types of hunting occur at OWMA. One area sampled is a cultivated field and serves primarily as a dove hunting area. The other area is primarily a waterfowl hunting area and is flooded during the waterfowl-hunting season. Lead shot was recovered from 83% of the samples from the dove hunting area, …
A Strategic Analysis Of The Rocky Flats Cleanup, Patrick Mccann
A Strategic Analysis Of The Rocky Flats Cleanup, Patrick Mccann
UNLV Theses, Dissertations, Professional Papers, and Capstones
The Rocky Flats Environmental Technology Site is located in Golden, Colorado. It is situated on 384 acres in a 6,550-acre natural preserve. Rocky Flats ended its original mission in 1989, after raids on the site by both the FBI and the EPA for illegal dumping and other environmental violations. Since then the site has been scheduled for cleanup. This thesis will provide background information on the site and on the company hired to perform the cleanup. It also provides an evaluation of some key policies regarding the cleanup procedures. Since the end of the cold war, the production of nuclear …
Interagency Lake Mead And Las Vegas Wash Monitoring Program: Standard Operating Procedures Manual, Bureau Of Reclamation, City Of Henderson Water Reclamation Facility, City Of Las Vegas Water Pollution Control Facility, Clark County Sanitation District, Nevada, Southern Nevada Water Authority
Interagency Lake Mead And Las Vegas Wash Monitoring Program: Standard Operating Procedures Manual, Bureau Of Reclamation, City Of Henderson Water Reclamation Facility, City Of Las Vegas Water Pollution Control Facility, Clark County Sanitation District, Nevada, Southern Nevada Water Authority
Publications (WR)
A number of agencies sample Lake Mead and the Las Vegas Wash on a routine basis at several locations. In order to share and properly interpret the data, the Bureau of Reclamation, Southern Nevada Water Authority and the three Wastewater Treatment Facilities (City of Las Vegas, Clark County Sanitation District and City of Henderson) formed a committee to examine sampling and analytical protocols and to share information with the goal of maximizing the data quality. The group first met in April 1997.
It was agreed that an effort should be made to discuss and compare specific sampling and analytical techniques …
Quality Of Surface And Ground Water And Best Management Practices, Kenneth F. Steele
Quality Of Surface And Ground Water And Best Management Practices, Kenneth F. Steele
Technical Reports
Arkansas is fortunate to have outstanding water resources, especially in terms of water quality. However, this is not to say that there are no problems. The Arkansas Water Resources Center (AWRC) in cooperation with other state and federal agencies is characterizing our water resources and providing data important to the wise use of these resources. One wise use of our water resources is to mitigate the impact of non-point sources of pollution on water quality through the use of best management practices. These proceedings address not only the characterization of the quality of ground and surface water but also address …
Ocena Zasięgu Oddziaływania Emisji Zanieczyszczeń Z Huty Katowice I Zk “Przyjaźń” W Dąbrowie Górniczej W Aspekcie Weryfikacji Wielkości Strefy Ochronnej, Marian Mazur, Marek Bogacki, Robert Oleniacz
Ocena Zasięgu Oddziaływania Emisji Zanieczyszczeń Z Huty Katowice I Zk “Przyjaźń” W Dąbrowie Górniczej W Aspekcie Weryfikacji Wielkości Strefy Ochronnej, Marian Mazur, Marek Bogacki, Robert Oleniacz
Robert Oleniacz
The paper presents the results of an analysis of current pollutant emissions from "Katowice" Steelworks and Coke Plant "Przyjaźń" in the Dąbrowa Górnicza (Poland) and calculations of spreading of these pollutants in the atmosphere. The research have shown that there is a reasonable possibility of reducing the existing protective zone around these plants, which should significantly reduce the costs incurred for the purchase of the land and management of the zone area.
English title: Assessment of the impact extent of pollutant emissions from "Katowice" Steelworks and Coke Plant "Przyjaźń" in the Dąbrowa Górnicza in terms of verification the size of …
Modelowanie Imisji Ozonu W Przyziemnej Warstwie Atmosfery Na Przykładzie Nowego Sącza, Marek Bogacki, Marian Mazur, Robert Oleniacz
Modelowanie Imisji Ozonu W Przyziemnej Warstwie Atmosfery Na Przykładzie Nowego Sącza, Marek Bogacki, Marian Mazur, Robert Oleniacz
Robert Oleniacz
The paper presents the results of research related to the modeling of physicochemical phenomena occurring in the ground-layer of the atmosphere in terms of ozone formation. For this purpose, the box model was used, in which the computational area is defined as a space designated by a steady surface and a variable height. Conducted in Nowy Sącz (Poland) experiment confirmed the possibility of using this type of model to diagnose and possibly forecasting ozone concentrations in any area of calculation. The study also showed that the quality of the results depends mainly on accuracy in preparing of input data, especially …
Neurological Effects On Startle Response And Escape From Predation By Medaka Exposed To Organic Chemicals, Steven P. Bradbury, Richard W. Carlson, Robert A. Drummond, Dean E. Hammermeister
Neurological Effects On Startle Response And Escape From Predation By Medaka Exposed To Organic Chemicals, Steven P. Bradbury, Richard W. Carlson, Robert A. Drummond, Dean E. Hammermeister
Steven P. Bradbury
Simultaneous electrophysiological and behavioral studies were performed on 21–32 day old juvenile medaka (Oryzias latipes) exposed at sublethal concentrations to organic chemicals representing various modes of action. Non-invasive recordings were made of the electrical impulses generated within giant neuronal Mauthner cells, associated interneurons and motoneurons, and axial musculature, all of which initiate the startle or ‘escape’ response in fish. Timing in ms between these electrical sequelae was measured for each fish before and after 24 and 48 h exposure to a chemical. Carbaryl and phenol affected Mauthner cell to motoneuron transmission while chlorpyrifos, carbaryl, phenol and 2,4-dinitrophenol (DNP) showed neuromuscular …
Record Of Decision For An Interim Remedial Action At The Monticello Mill Tailings Site, Operable Unit Iii - Surface Water And Ground Water, Monticello, Utah, U.S. Department Of Energy, Grand Junction Office
Record Of Decision For An Interim Remedial Action At The Monticello Mill Tailings Site, Operable Unit Iii - Surface Water And Ground Water, Monticello, Utah, U.S. Department Of Energy, Grand Junction Office
All U.S. Government Documents (Utah Regional Depository)
This decision document presents the selected interim remedial action for Operable Unit (OU) Ill surface water and ground water at the Monticello Mill Tailings Site (MMTS) in San Juan County, Utah. The selected interim remedial action was chosen in accordance with the Comprehensive Environmental Response, Compensation, and Liability Act as amended by the Superfund Amendments and Reauthorization Act of 1986 and, to the extent practicable, with the National Oil and Hazardous Substances Pollution Contingency Plan (NGP). This decision is based on the administrative record for this site. The State of Utah concurs with the selected interim action. The selected alternative …
Emisja Związków Fluoru Z Procesów Hutnictwa Żelaza, Marian Mazur, Marek Bogacki, Robert Oleniacz
Emisja Związków Fluoru Z Procesów Hutnictwa Żelaza, Marian Mazur, Marek Bogacki, Robert Oleniacz
Robert Oleniacz
The paper presents the results of a comprehensive study of issues related to emissions of fluorine compounds from ferrous metallurgy processes carried out over the last few years. As part of this study raw materials used in these processes were analyzed in terms of fluorine content and its impact on the amount of air emissions of fluorine compounds. Also determined by measuring the concentration levels and emissions of fluorine in the gaseous and solid phase, including water-soluble compounds (considered to be toxic).
English title: Emissions of fluorine compounds from the processes of ferrous metallurgy.
A Comparative Study Of Molecular Similarity, Statistical, And Neural Methods For Predicting Toxic Modes Of Action, Steven P. Bradbury, Subhash C. Basak, Gregory D. Grunwald, George E. Host, Gerald J. Niemi
A Comparative Study Of Molecular Similarity, Statistical, And Neural Methods For Predicting Toxic Modes Of Action, Steven P. Bradbury, Subhash C. Basak, Gregory D. Grunwald, George E. Host, Gerald J. Niemi
Steven P. Bradbury
Quantitative structure–activity relationship (QSAR) models are routinely used in predicting toxicologic and ecotoxicologic effects of untested chemicals. One critical factor in QSAR-based risk assessment is the proper assignment of a chemical to a mode of action and associated QSAR. In this paper, we used molecular similarity, neural networks, and discriminant analysis methods to predict acute toxic modes of action for a set of 283 chemicals. The majority of these molecules had been previously determined through toxicodynamic studies in fish to be narcotics (two classes), electrophiles/proelectrophiles, uncouplers of oxidative phosphorylation, acetylcholinesterase inhibitors, and neurotoxicants. Nonempirical parameters, such as topological indices and …
A Management-Oriented Classification Of Pinyon-Juniper Woodlands Of The Great Basin, Neil E. West, Robin J. Tausch, Paul T. Tueller, United States Department Of Agriculture, Forest Service, Rocky Mountain Research Station
A Management-Oriented Classification Of Pinyon-Juniper Woodlands Of The Great Basin, Neil E. West, Robin J. Tausch, Paul T. Tueller, United States Department Of Agriculture, Forest Service, Rocky Mountain Research Station
All U.S. Government Documents (Utah Regional Depository)
Pinyon-juniper woodlands occupy about 18 percent (7.1 million ha, 17.6 million acres) of the land area of the Great Basin (Tueller and others 1979). The associated tree species are found over a wide range of environmental conditions extending from communities representative of the upper fringes of the Mohave Desert to communities found at the lower fringes of high mountain forests. Over this spatial and elevational range, communities associated with pinyon-juniper woodlands are highly variable, with complex distribution and compositional patterns. This variability is due to climatic changes occurring over the last 10,000 years and to variation in current environmental conditions …
Inventory Of Sensitive Species And Ecosystems In Utah, Endemic And Rare Plants Of Utah: An Overview Of Their Distribution And Status, Utah Division Of Wildlife Resources
Inventory Of Sensitive Species And Ecosystems In Utah, Endemic And Rare Plants Of Utah: An Overview Of Their Distribution And Status, Utah Division Of Wildlife Resources
All U.S. Government Documents (Utah Regional Depository)
The Utah Division of Wildlife Resources (UDWR), under an agreement with the U.S. Department of the Interior, began work in March 1994 to develop a study plan for a statewide inventory of sensitive species and ecosystems. Activities enumerated in the plan include (1) completing a literature review for vertebrate, invertebrate, and plant species, (2) conducting field studies on sensitive species identified in the plan, and (3) using information obtained from the literature review and field studies to enhance UDWR's central database. UDWR's study plan was approved by the Utah Reclamation Mitigation and Conservation Commission (Mitigation Commission) in February 1995, and …
Does The Tunicate Bostrichobranchus Digonas (Abbott) Control The Seasonal Distribution Of Phytoplankton Biomass In Tampa Bay?, The Bay Study Group Department Of Sanitary Sewers
Does The Tunicate Bostrichobranchus Digonas (Abbott) Control The Seasonal Distribution Of Phytoplankton Biomass In Tampa Bay?, The Bay Study Group Department Of Sanitary Sewers
Reports
This report primarily examines relationships between the tunicate B. digonas and several water quality parameters, with emphasis on chlorophyll-a concentrations, for the period September 1996 through March 1998. This study period encompasses two complete September to March periods which, based on surveys in previous years by the BSG, has proven to be the time of year when hatched stages of the tunicate generally can be expected to be present on the bay bottom. However, the report also examines water quality and tunicate information gathered for several years prior to 1996.
A Comparison Of Astm Standard E1599-94 And A Site Assessment Project Located In North Las Vegas, Kenneth Anthony Katsuda
A Comparison Of Astm Standard E1599-94 And A Site Assessment Project Located In North Las Vegas, Kenneth Anthony Katsuda
UNLV Theses, Dissertations, Professional Papers, and Capstones
This document provides a comparison of ASTM E-1599-94 Standard for a petroleum release and the procedures performed on a site assessment project in North Las Vegas. The major elements of a site assessment are thoroughly discussed in this document. They elements consist of the Initial Site Assessment, On-Site Delineation, Off-Site Delineation, Sampling/Analysis, and Site Assessment Methodologies.
The data was obtained through extensive research, utilizing reference documents,on-site experience, and the knowledge of Keith Stewart of Stewart Environmental.
After reviewing and comparing the data of my research, the procedures applied to the North Las Vegas Site (NLVS) were quite similar to the …
State Of Tampa Bay 1997, Tampa Bay Regional Planning Council (Tbrpc), Agency On Bay Management
State Of Tampa Bay 1997, Tampa Bay Regional Planning Council (Tbrpc), Agency On Bay Management
Reports
This, the eleventh "State of Tampa Bay" report, documents many of the programs and projects of 1997 relating to Tampa Bay. Prepared in accordance with the rules of the Agency on Bay Management and funded by the Tampa Bay Regional Planning Council, it includes a summary of the issues addressed by the Agency this year.
This year's "State of Tampa Bay" report includes summaries of many important projects. It is clear from the diversity of reports that Tampa Bay is receiving the attention it deserves from all quarters. Public and private sectors alike are working as never before to ensure …
Epa Superfund Record Of Decision: Murray Smelter Murray City, Ut, Epa
Epa Superfund Record Of Decision: Murray Smelter Murray City, Ut, Epa
All U.S. Government Documents (Utah Regional Depository)
The Murray Smelter Site ("the Site") is located in the city of Murray, Utah, in Salt Lake County as illustrated on Figure 1. The Site includes the former operational areas of the Murray Smelter and adjacent Germania Smelter which are referred to as the "on-facility" area., as well as surrounding residential and commercial areas where airborne emissions from the smelters impacted the environment or where contamination in shallow ground water may be transported in the future. These surrounding areas are referred to as the "off-facility" area. The on-facility area is approximately 142 acres. Its boundaries are 5300 South Street to …
Results Of The City Of Tampa Surface Water Compliance Monitoring Program For The Year 1997 And Examination Of Long-Term Water Quality And Biological Indicator Trends In Hillsborough Bay, City Of Tampa Department Of Sanitary Sewers
Results Of The City Of Tampa Surface Water Compliance Monitoring Program For The Year 1997 And Examination Of Long-Term Water Quality And Biological Indicator Trends In Hillsborough Bay, City Of Tampa Department Of Sanitary Sewers
Reports
This report is submitted to Florida Department of Environmental Regulation (FDER) to satisfy the requirements set forth in specific condition No. 14 of Hookers Point WWTP permit No. D029-184532B. The report is based on data obtained by the City of Tampa (COT) compliance water quality monitoring program approved under construction permit DC29-152799 and the report also includes examination of long-term trends for water quality parameters and biological indicators collected by the City of Tampa Bay Study Group and the Environmental Protection Commission of Hillsborough County (EPC).
How To Reduce Drought Risk, Cody Knutson, Mike Hayes, Tom Phillips
How To Reduce Drought Risk, Cody Knutson, Mike Hayes, Tom Phillips
Drought Mitigation Center: Faculty Publications
This guide describes a practical step-by-step process for identifying actions that can be taken to reduce potential drought-related impacts before a drought occurs. Step 1 begins with making sure that the right people are brought together and supplied with adequate data to make informed and equitable decisions during the process. Steps 2 and 3 narrow the focus of the study by identifying high priority drought-related impacts that are relevant to the user’s location or activity. Step 4 demonstrates that in order to reduce the potential for the identified impacts to occur in the future, it is necessary to understand the …
Seagrass And Caulerpa Monitoring In Hillsborough Bay Ninth Annual Report, City Of Tampa Department Of Sanitary Sewers
Seagrass And Caulerpa Monitoring In Hillsborough Bay Ninth Annual Report, City Of Tampa Department Of Sanitary Sewers
Reports
This is the ninth annual report to FDER to satisfy the requirements set forth in specific condition #14 of FDER construction permit DO29-1845321B.
The City of Tampa, Bay Study Group (BSG), has monitored the effects of sewage pollution abatement in Hillsborough Bay since 1976. Within the last decade, water quality improvements and evidence of minor seagrass revegetation in Hillsborough Bay prompted the BSG to initiate a seagrass study to compliment other programs assessing the environmental status of Hillsborough Bay.
Piece Cementowe - Konkurencja Dla Spalarni Odpadów, Robert Oleniacz
Piece Cementowe - Konkurencja Dla Spalarni Odpadów, Robert Oleniacz
Robert Oleniacz
The paper presents the advantages of cement kilns and the possibility of their use for thermal waste utilization. The most common types of waste incinerated in these kilns and the possible degree of replacing traditional fuels with waste fuels have also been characterized. The work also discusses the problem of air pollutant emissions from the process of waste co-incineration in cement kilns. Attention has been paid to the possible increase in the use of Polish cement industry in the waste management, system, especially in the field of energy recovery from solid municipal waste, waste tires and waste from the refinery …
Chapter 2 Climate, Donald A. Wilhite, Kenneth G. Hubbard
Chapter 2 Climate, Donald A. Wilhite, Kenneth G. Hubbard
Drought Mitigation Center: Faculty Publications
The broad climatic patterns of the Sand Hills region are also characteristic of the central Great Plains environment. The spatial and temporal patterns of these climatic variables have a significant effect on the natural resources of the region.
Razorback Sucker (Xyrauchen Texanus) Recovery Plan, Harold M. Tyus
Razorback Sucker (Xyrauchen Texanus) Recovery Plan, Harold M. Tyus
All U.S. Government Documents (Utah Regional Depository)
The Colorado River of the American West supports a mainstream fish community that is classified as the “Big River” fishes. Four of these fishes are listed as endangered under provisions of the Endangered Species Act of 1973, as amended. Three fishes (i.e., Colorado pike minnow Ptychocheilus Lucius, humpback chub Gila cypha, and bonytail G. elegans) have been listed for over 10 years, and they have recovery plans that were prepared prior to designation of critical habitats. Recently the Colorado squawfish was renamed by the American Fisheries Society and hereafter will be refered to in this document as the Colorado pike …