soil analyzer Articles
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Soil Analysis for Superior Road Stabilization
Cypher Environmental’s products have been used to build roads in more than 50 countries over 6 continents and we know that no two roads are the same. The composition, density, load-bearing strength and moisture content of all the pavement layers, as well as the regional climate and traffic loading affects how a road performs. Cypher takes all these factors into consideration when ...
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Environmental friendly approach to EPA Method 8082 - Case Study
“After applying the most efficient Syncore® parameters for concentrations and solvent exchanges, you will be thinking of ways for your lab to afford the next unit.” Customer name Michael Dee Company / Institution Fremont Analytical, USA Experiences Syncore® Product lines Parallel Evaporation Industries Environmental Customer: Fremont Analytical, Seattle, WA, USA ...
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ASSET Laboratories Las Vegas - Case Study
ASSET Laboratories is a full-service environmental analytical laboratory. A wide range of analytical services is available at ASSET Laboratories including the organic and inorganic analyses of water, groundwater, storm water, wastewater, soil and hazardous waste samples. They are using Nutech 8900DS Preconcentrator and 3603 Autosampler at their lab in Las Vegas. ...
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Drinking water treatment residuals as an amendment to alkaline soils: Effects on the growth of corn and phosphorus extractability
Abstract: Drinking water treatment residuals (alum) are waste products of water purification that have potential for environmental remediation as a soil amendment and a potential plant growth medium. In this study, the influence of added Drinking water treatment residuals on the extractability and availability of phosphorus to plants; determination of the agronomic rate of alum to different ...
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Transfer and translocation of organochlorine pesticide residues in an agricultural area of Romania
The study refers to translocation of some organochlorine persistent pesticides (Lindane, Aldrin, Endosulphane and DDT) in/from soil to surface and underground water and their accumulation in some crops in an agricultural area nearby Bucharest. The samples analysed were soil, surface water (Arges River) and underground water (wells). Pesticide residues were found especially in soil samples, in ...
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Bioremediation of ground water by treatment of soil at source with Vaporremed
A heating oil company during servicing of a home in PA released almost 150 gallons of heating oil that seeped into the basement and below. Ground water was shallow and PA DEP wanted to ensure that the contamination did not pollute the water. The environment company overlooking the cleanup decided to use VaporRemed to reduce the fumes. In three weeks time the level of contamination of the soil and ...
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A Guide to Ashing & ISO 1171
Ashing is the process of removing organic material from a sample before analysis and is widely used in the food and petroleum industries. The processes of ashing can generally be split into two categories: wet ashing and dry ashing. Wet ashing removes organic material from a sample employing a liquid phase reactant such as combinations of acids. Dry ashing is achieved through the controlled ...
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Understanding the Interactions between Climate Change and Air Quality
There is increasing evidence and scientific consensus that our world’s climate may be changing due to, among other things, fossil-fuel combustion, biomass burning, and forest and soil destruction. Scientific analyses suggest that, as a result of increasing greenhouse gas emissions, there could be substantial changes in seasonal temperature and precipitation patterns, which, in turn, could ...
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Field Screening Methods for the Presence of DNAPL, Superfund Site, southern California
Characterizing the lateral and vertical extent at a Dense Non Aqueous Phase Liquid (DNAPL) impacted site can prove to be a challenging task. Field methods employed to verify the presence of DNAPL have included the use of down-hole Ultraviolet Induced Florescence technologies, the application of down-hole detection materials such as dye impregnated fabrics, and the installation of monitor wells ...
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Analysis of leachates from solid waste dumpsites: a tool for predicting the quality of composts derived from landfills
Leachate and soil samples were collected near five solid waste dump sites in the Accra metropolitan area of Ghana over a period of six months. The leachate samples were analysed for heavy metals, coliform bacteria and helminth eggs while the soil samples were analysed for only helminth eggs. Heavy metals analysed included Cd, Pb, Zn, Mn, and Cu. It has been observed that the leachates contain ...
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Study on physico-chemical properties and heavy metal content of the soil samples from Thane Creek of Maharashtra, India
The wetland of Thane Creek, located at Thane, Mumbai, India, has attracted much attention of environmental biologists over the last few decades, as this creek has been subjected to a lot of pollution from the Asia's biggest Thane - Belapur Industrial Complex located at the south of Mumbai harbour along the west coast of India. This paper advocates habitat conservation and ecological studies with ...
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Dry–wet cycles increase pesticide residue release from soil
Soil drying and rewetting may alter the release and availability of aged pesticide residues in soils. A laboratory experiment was conducted to evaluate the influence of soil drying and wetting on the release of pesticide residues. Soil containing environmentally long‐termaged (9–17 years) 14C‐labeled residues of the herbicides ethidimuron (ETD) and methabenzthiazuron (MBT) and the fungicide ...
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TOC Analysis by the Teledyne Tekmar Lotix Solids Sampler in a Variety of Matrices
Abstract The analysis of Total Organic Carbon (TOC) in samples can be difficult due to the variation of matrix types. Soil samples like sand, clay, and humus types can have erratic amounts of water, particle size, minerals, salt, and a large array of different materials depending on the collection location. The new Lotix Solid Sampler (LSS) Module used in conjunction with the Lotix ...
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Plant diversity in relation to anthropogenic trace metals in soils of selected sites in Nigeria's Guinea Savanna
Studies on the contributions of anthropogenic activities to trace metal contamination in the soils of the West African sub-region, and their effects on the biodiversity of the area, are scanty. The effect of the trace metal content of soil, contributed by some anthropogenic activities (cultivation, vehicular traffic and industrial activity), on the plant diversity and vegetation structure in each ...
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The dangers of farm slurry and the production of slurry gas
Slurry is created from cow manure and water and provides a fantastic, natural fertiliser that farmers can use to encourage the growth of grass and other crops. It is usually stored in a slurry tank or lagoon before it is applied to farmland as fertiliser. The dangers of working with slurry are well documented, as high amounts of gases can be released very quickly. How is farm slurry made? Waste ...
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Mapping Sand Unit Thickness for Construction Aggregate in North Carolina - Case Study
In August 2015, Pyramid Environmental was contracted to estimate the cubic yards of sandy soil valuable as a construction aggregate on the 230 acres of undeveloped land in North Carolina. Purpose The purpose of the electrical resistivity survey was to quantify the lateral extents and approximate depth of sandy soils near the ground surface. The client wanted to understand the potential of the ...
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Cost and Performance Summary Report In Situ Chemical Reduction at the Morses Pond Culvert, Wellesley, Massachusetts
The Morses Pond Culvert Site is located in Wellesley, Massachusetts. As shown in Figure 1, the site includes a residential property and portions of properties owned by the Town of Wellesley and the Massachusetts Bay Transportation Authority. Morses Pond drains into a 200-ft long culvert which discharges under the railroad tracks into a pond (Paintshop Pond) downstream of the site. The southern ...
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Characteristic and potential sources of polychlorinated dibenzo‐p‐dioxins and dibenzofurans in agriculture soils in Beijing, China
Polychlorinated dibenzo‐p‐dioxins and dibenzofurans (PCDD/Fs) were analyzed in 25 background and 80 agriculture soil samples collected from 21 sites in Beijing, China. The levels of PCDD/Fs in the north agriculture soils were low (0.15–0.58 ng I‐TEQ/kg), which were compatible with those of the background soils (0.091–0.35 ng I‐TEQ/kg). However, in the south agriculture soils, there was an ...
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Petrol and heating oil bioremediation using EU70 (case study)
As a result of an accident a tanker lost its load of petrol and heating fuel. A large quantity of fuel approximately 2000 litres soaked into the soil. Analyses revealed that the average level of hydrocarbons present was in the order of 0.55 %. The pollution affected an area of 100 m2 and to a depth of 0.6 m. Our goal was to reduce hydrocarbon levels to the lowest possible value in order to meet ...
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Stevens Hydra Probe Furthers Scientific Research at Alabama A&M
For more than a decade now, the Stevens Hydra Probe has been an important data collection instrument used in The Soil Climate Analyses Network (SCAN). The SCAN Program helps scientists study soil moisture and temperature variability at different time scales and under different land uses and land covers. Studies that involve the SCAN program benefit the environmental science community as well as ...
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