... Title : On-Site Analysis of Explosives in Soil: Evaluation of Thin-Layer Chromatography for Confirmation of Analyte Identity. ...
DTIC Science & Technology
of matter and the forces between subatomic particles. They conduct experiments at SLAC and other facilities than antimatter. Elementary Particle Theory SLAC theorists work on virtually all areas of high and nutrients are transported through the soil, water and air. X-ray Spectroscopy Chemical processes
E-print Network
Bioremediation is an attractive remediation alternative because most full-scale bioremediation projects involve cost-effective contaminant treatment on-site. Recently, large scale bioremediation projects have included cleanups of ocean tanker spills, land-based chemical spills, and leaking chemical and petroleum storage tanks. Contaminated matrices have included beaches, ...
Energy Citations Database
... ACETONES, *HIGH EXPLOSIVES, INSTALLATION, METHANOLS, SOLVENTS, CONTAMINATION, RDX, TNT, SOLVENT EXTRACTION. ...
The analysis of potentially hazardous air, water and soil samples collected and shipped to service laboratories off-site is time consuming and expensive. This Chapter addresses the practical alternative of performing the requisite analytical services on-site. The most significant...
EPA Science Inventory
... All of these methods specify solvent extraction with either acetone or methanol to transfer the analyte from the soil matrix to a solvent as the first step ...
Leaching chambers distribute treated wastewater into the soil. This publication lists the advantages and disadvantages of leaching chamber systems, explains how to maintain them and gives estimates of costs.
Evapotranspiration (ET) beds treat wastewater in the soil by evaporation and by transpiration from plants growing there. This publication explains the treatment, design, operation and maintenance of ET beds.
... I 1) Waste excavatipn 19) Prime moving 2) Waste transportation 20) Flue gas dispersal 3) Liquid waste receiving and unloading ...
... Rotary kilns are capable of destroying solid, liquid, and gaseous wastes with destruction efficiencies exceeding 99.99%. ...
... Archived samples from Wel- don Springs Army Ammunition Plant (AAP), Nebraska ... A 100-mL aliquot of either acetone or methanol was added and ...
... filled so that no headspace or air bubbles exist in ... The soil, sediment, and ground water samples will be ... laboratory will be kept cold during shipment ...
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
The Bruin Lagoon is a National Priorities List site. Because of past on-site disposal practices for wastes from a mineral oil refinery (not located on-site), heavy metals, inorganic compounds, and benzene have contaminated on-site groundwater, soils, and sludge material (in the lagoon). The site is of potential ...
with the simplest one and later evolve it to the more advanced ones, if needed. On-Site Coach The importance. In the accelerated process that we are working with in the project it is important that the coach is always avail. An important goal for the coach is team building, to make sure that the team members communicate
This paper deals with literature on subjects of on-site wastewater pretreatment, attenuation of pollutants in soil, performance of soil absorption systems, sanitation in developing countries, and management of wastewater systems. (DAD)
A mound system is a soil absorption system placed above the natural surface of the ground. The system distributes treated wastewater into the soil. This publication discusses the design and maintenance of mound systems.
Treatment of contaminated water, timbers, and soils was investigated using catalyzed hydrogen peroxide, a procedure based on Fenton's reagent (hydrogen peroxide and iron (II)). The process produces hydroxyl radicals which oxidize essentially all organic c...
National Technical Information Service (NTIS)
Information is presented for quantitative evaluation of treatment potential for creosote and pentachlorophenol (PCP) wood treating contaminants in soil systems. he study was conducted in three phases: 1) characterization, (2) treatability screening and (3) field evaluation. ata g...
Information is presented for quantitative evaluation of treatment potential for creosote and pentachlorophenol (PCP) wood treating contaminants in soil systems. The study was conducted in three phases: 1) characterization, (2) treatability screening and (3) field evaluation. Data...
Biological processes, including microbial degradation, have been identified as critical mechanisms for attenuating organic contaminants during transit through the vadose zone to the groundwater. On-site soil remedial measures using biological processes ca...
For many applications that involve the use of environmental simulation models, soil water retention and hydraulic conductivity data are not available and therefore need to be estimated. The current version of the APEX model ¿ that is being used in the national scale CEAP project to evaluate on-site ...
Technology Transfer Automated Retrieval System (TEKTRAN)
A study was made to determine the ability of existing water conservation hardware to correct malfunctioning on-site wastewater disposal systems resulting from soil clogging and to document, under actual use conditions, possible reduction of wastewater with water conservation hard...
Solitron Microwave, on Cove Road in Port Salerno, Martin County, Florida, covers approximately 20 acres. On-site surface water, sediment, soil and groundwater are contaminated with metals and organic chemicals. Off-site groundwater is contaminated with metals and organic chemicals. In this public health assessment, the authors evaluate the potential for ...
The Beede Waste Oil (CERCLIS NO. NHD018958140) site is located in Plaistow, Rockingham County, New Hamsphire. Significant groundwater contamination has been discovered on-site including high concentrations of volatile organic chemicals (VOCs) and a free product layer up to five feet thick suspended above the groundwater table. On-site surface ...
Soil is an important component of an on-site wastewater treatment system. This publication explains the composition of soils, the sizing of soil particles, and the ways soil particles are analyzed to determine whether a site is suitable for a wastewater treatment system. Color photographs illustrate important ...
Results are reported of the environmental monitoring program at Fermi National Accelerator Laboratory (Fermilab) for Calendar Year 1976. The Fermilab facility is a proton synchrotron with a design energy of 200 GeV (billion electron volts); however, the energy reached 500 GeV in 1976 and operation at 400 GeV is now routine. Operation of the accelerator ...
The Fibers Public Supply Wells Site is a former synthetic fiber manufacturing plant located in Guayama, Puerto Rico. Currently, a pharmaceutical manufacturing facility operates on-site. In addition, 5 public supply wells exist on-site. Preliminary on-site sampling results have identified acetone (7 to 2,260 ppb in ...
New chemical warfare (CW) on-site sample work-up procedures were developed to prepare environmental samples for gas chromatography/mass spectrometry (GC/MS) analysis in the field. The new methods and procedures were developed with the time, power, and equipment-size constraints set forth by the Chemical Weapons Convention (CWC). In addition, the methods were developed to ...
The Earth 10th Street Site, a former rayon/cellophane manufacturing facility, lies about 1/3 mile northwest of the Delaware River in Marcus Hook, Delaware County, Pennyslvania. As a result of past industrial activities at the site, on-site groundwater and soils are contaminated with volatile organic compounds (VOCs), polychlorinated biphenyls (PCBs), and ...
The analysis of potentially hazardous air, water and soil samples collected and shipped to service laboratories off-site is time consuming and expensive. The Chapter addresses the practical alternative of performing the requisite analytical services on-si...
Pump tanks are concrete, fiberglass or polyethylene containers that collect wastewater to be dosed into the soil at intervals. This publication explains the design and maintenance of pump tanks, and it offers advice on what to do if a pump tank alarm is activated.
A low-pressure dosing system treats wastewater and then pumps it into the soil several times daily. This publication explains the advantages, disadvantages, maintenance steps and estimated costs of low-pressure dosing systems.
A low-pressure dosing system treats wastewater and then pumps it into the soil several times daily. This publication explains the advantages and disadvantages of low-pressure dosing systems as well as estimated costs and maintenance requirements.
Gravel-less pipe systems distribute treated wastewater into the soil. This publication lists the advantages and disadvantages of gravel-less pipe systems, explains how to maintain them and gives estimates of costs.
Soil, vegetation, and surface water were routinely sampled for radioactivity to a distance of 10 miles from Energy Systems Group (ESG) sites. Continuous ambient air sampling and radiation monitoring by thermoluminescent dosimetry are performed on-site for...
...Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing Practices...may include the collection and testing of soil; water; waste; seeds; plant tissue; and plant, animal, and...
Code of Federal Regulations, 2011
The goal of this study was to evaluate the influence of soil type and separation distance to water table on dissolved inorganic nitrogen concentrations in groundwater adjacent to on-site wastewater systems. Groundwater nitrogen species (NO3--N and NH4+-N) and groundwater levels adjacent to 16 on-site systems in three different soil ...
PubMed
A mobile, on-site laboratory was used to estimate soil radionuclide concentrations in support of cleanup activities at a former uranium mill site. Respective instrumentation and analytical techniques demonstrated a successful balance between system cost, accuracy, versatility, throughput capacity, and practical simplicity. The methodology involved NaI ...
The performance of pilot-scale bioslurry treatment on creosote-contaminated soil was evaluated. ive reactors containing 66 L of slurry (30% soil by weight), were operated in parallel. he soil was a sandy soil with minor gravel content. he pilot-scale phase utilized an inoculum of...
The performance of pilot-scale bioslurry treatment on creosote-contaminated soil was evaluated. Five reactors containing 66 L of slurry (30% soil by weight), were operated in parallel. The soil was a sandy soil with minor gravel content. The pilot-scale phase utilized an inoculum...
The Bypass 601 (Martin's Scrap Recycling) site is listed on the National Priorities List. The two-acre site primarily is a battery salvage and metal recycling operation. Past practices included disposing of waste acid on-site or selling it for reclamation, and using spent battery casings for fill material on-site. Maximum environmental ...
A study was carried out at a sanitary waste disposal site for Kutsaga Tobacco Research Station, Zimbabwe, which uses large amounts of copper oxy chloride for sterilization of recycled float trays in flooded bench tobacco seedling production systems. Soil samples randomly collected from six stream bank zones (bands up the valley slope) varying in their distance ranges from the ...
The fluence of high-energy muons that result from the operation of the Tevatron accelerator was measured downstream of the experimental area beam lines. Profiles were determined by use of plastic scintillators and associated electronics mounted in a mobile laboratory at various locations on-site and at the site boundary. The experimental method and the ...
Many types of soil erosion modeling have been developed worldwide; each of models has its own advantage and assumption based on the originated area. Ironically, in the tropical countries where the rainfall intensity is higher than other area, the soil erosion problem gain less attention. As in Indonesia, due the inadequate supporting data and method to ...
NASA Astrophysics Data System (ADS)
Optical diffuse reflectance sensing has potential for rapid and reliable on-site estimation of soil properties. For good results, proper calibration to measured soil properties is required. One issue is whether it is necessary to develop calibrations using samples from the specific area or areas (e....
Performance of the thermal desorption process for removal of organic contaminants, mostly polynuclear aromatic hydrocarbons (PAHs), from soils was evaluated. he Superfund Site soil tested was a fine sandy soil contaminated with creosote. n optimum operating temperature of 550 deg...
Performance of the thermal desorption process for removal of organic contaminants, mostly polynuclear aromatic hydrocarbons (PAHs), from soils was evaluated. The Superfund Site soil tested was a fine sandy soil contaminated with creosote. An optimum operating temperature of 550 C...
Optical diffuse reflectance sensing is a potential approach for rapid and reliable on-site estimation of soil properties. One issue with this sensing approach is whether additional calibration is necessary when the sensor is applied under conditions (e.g., soil types or soil moisture conditions) dif...
The Arkwood site is listed on the National Priorities List. The approximately 20-acre site is a former wood-treatment facility that operated from about 1962 until 1984. On-site soil has been found to be contaminated with pentachlorophenol (PCP, 10,400 ppm) and polynuclear aromatic hydrocarbons (PAH, 4,000 ppm); on-site sludge with ...
The Arkansas City Dump Site is a National Priorities List site located in southwest Arkansas City, Cowley County, Kansas. The site was used as an oil refinery between 1916 and the mid-1920s, and as an unregulated municipal dump after closure of the refinery. The environmental media on-site are primarily contaminated with acidic sludge, polynuclear aromatic hydrocarbons, and ...
Optical diffuse reflectance sensing is a potential approach for rapid and reliable on-site estimation of soil properties. One issue with this sensing approach is whether additional calibration is necessary when the sensor is applied under conditions (e.g., soil types or ambient conditions) different...
Soil physical and chemical properties are important in crop production since they control the availability of plant water and nutrients. Optical diffuse reflectance sensing is a potential approach for rapid and reliable on-site estimation of soil properties. One issue with this sensing approach is w...
A method is described for removing polychlorinated biphenyls and dioxins from soil, landfill, gravel, sand, clay or a mixture thereof, contaminated with the biphenyls and/or the dioxins, comprising the steps of contacting the soil, landfill, gravel, sand, clay or a mixture thereof with a liquid consisting essentially of 99-70% by volume halogenated ...
Two colorimetric-based methods are commonly used for on-site analysis of explosives in soil. For the TNT method, acetone soil extracts are reacted with base to produce reddish-colored Janowsky ions. For RDX, acetone extracts are acidified and reacted with...
This article published by the University of Delaware College of Marine Studies reports the first instance of DNA fingerprinting of soil microbes performed in the field on the Earth's frozen continent. Scientists working in Antarctica utilized mobile molecular biology equipment to perform on-site DNA analysis of the frozen soils. ...
NSDL National Science Digital Library
An optical sensing approach based on diffuse reflectance has shown potential for rapid and reliable on-site estimation of soil properties. Important sensing ranges and the resulting regression models useful for soil property estimation have been reported. In this study, a similar approach was applie...
Soil erosion continues to be the largest threat to maintaining sustainable agricultural production. Detachment and removal of soil and sediment by the erosive forces of wind and water degrades on-site soil quality, as well as off-site water quality and air quality. Erosion removes the upper layers o...
The Mottolo Pig Farm National Priorities List (NPL) Site is located east of Blueberry Hill Road, in Rockingham County, approximately three miles west of the center of Raymond, New Hampshire. Contamination at the Mottolo Pig Farm Site includes contaminated groundwater, soil, surface water, and sediments. Site contaminants consist primarily of various volatile organic compounds ...
... Title : Accelerated Solvent Extraction of Soil Samples for the Determination of the Presence of Chemical Warfare Breakdown Products. ...