soil groundwater and subsurface contamination
Practical Design Calculations for Groundwater and Soil Remediation - Chapter 1 pptx
... flare/catalytic incinerators, and biological systems for groundwater and soil remediation; site assessment and fate analysis of toxics in the environment; RI/FS work for landfills and Superfund sites; ... calculations for groundwater and soil remediation / Jeff Kuo p cm Includes bibliographical references and index ISBN 1-56670-238-0 (alk paper) Soil remediation—Mathematics—Problems, exercises, etc Groundwater Purification—Mathematics—Problems, ... Calculation II.2 Soil Borings and Groundwater Monitoring Wells II.2.1 Amount of Cuttings from Soil Boring II.2.2 Amount of Packing Materials and/ or Bentonite Seal29 II.2.3 Well Volume for Groundwater...
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Practical Design Calculations for Groundwater and Soil Remediation - Chapter 2 ppt
... contaminants present in soil and groundwater Concentrations of contaminants in the collected samples Vertical and areal extents of contaminant plumes in soil and groundwater Vertical and areal extents ... LLC II.2 Soil borings and groundwater monitoring wells This section deals with calculations related to installation of soil borings and groundwater monitoring wells and purging before groundwater ... Removal of contamination source(s) such as leaky USTs Installation of soil borings Installation of groundwater monitoring wells Soil sample collection and analysis Groundwater sample collection and...
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Practical Design Calculations for Groundwater and Soil Remediation - Chapter 3 potx
... calculations for groundwater movement and clarifies some common misconceptions about groundwater velocity and hydraulic conductivity Procedures to determine the groundwater flow gradient and the flow ... III.1.5 Determine groundwater flow gradient and flow direction Having a good knowledge of the gradient and direction of groundwater flow is vital to groundwater remediation The gradient and the direction ... zone A subsurface soil is relatively sandy and has a hydraulic conductivity of 500 gpd/ft2 when the soil is saturated Estimate its hydraulic conductivity (a) when the water saturation is 40% and...
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Practical Design Calculations for Groundwater and Soil Remediation - Chapter 4 ppsx
... on how much and how often the money is deposited and/ or withdrawn (rate of mass input and output), interest accrued (rate of mass generated), and bank charges for monthly service and ATM fees ... all streams, sizes and types of reactors, and operating conditions such as temperature and pressure on the diagram Step 3: Calculate and convert all known mass inputs, outputs, and accumulation ... and reactor design Various treatment processes are employed in remediation of contaminated soil or groundwater Treatment processes are generally classified as physical, chemical, biological, and...
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Practical Design Calculations for Groundwater and Soil Remediation - Chapter 5 doc
... (255)(280 L/m3 soil) = 71,400 L/m3 soil = 71.4 m3 fresh air/m3 soil V.3 V.3.1 Soil washing/solvent extraction /soil flushing Description of the soil washing process The majority of the organic and inorganic ... concentration in soil, Xcleanup is the soil cleanup level, Ms is the mass of the contaminated soil, Vs is the volume of the contaminated soil, and ρb is the bulk density of the soil If the cleanup ... available oxygen in the soil moisture and the air void = 1.08 + 78.1 = 79.2 g/m3 soil
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Practical Design Calculations for Groundwater and Soil Remediation - Chapter 6 docx
... released to surface water bodies Pump and treat is a general term used for groundwater remediation that removes contaminated groundwater and treats it above ground Groundwater extraction is typically ... aquifer with a uniform thickness and assume the groundwater flow is uniform and steady The theoretical treatment of this subject starts from one single well and expands to multiple wells The discussions ... Javandel, I and Tsang, C.-F., Groundwater, 24(5), 616–625, 1986 With permission Example VI.1.2C Determine the downstream and sidestream distances of a capture zone for multiple wells Two groundwater...
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Practical Design Calculations for Groundwater and Soil Remediation - Chapter 7 potx
... stiochiometric amount of air and excess air for combusting a landfill gas ©1999 CRC Press LLC Example VII.2.4 Determine the stoichiometric air and excess air for combusting landfill gas A landfill gas stream ... sources of VOC-laden off-gas from soil/ groundwater remediation activities include soil vapor extraction, air sparging, air stripping, solidification/stabilization, and bioremediation This chapter ... Adsorption isotherm and adsorption capacity The adsorption capacity of GAC depends on the type of GAC and the type of VOC compounds and their concentration, temperature, and presence of other...
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Isolation and detection of bacteria in soil, ash and sediment with the contamination of paraquat and glyphosate
... Overview of soil, ash, sediment and soil pollution 2.2.1 Soil Soil is a natural body, including solids (minerals and organic matter), liquids, and gases occurs on the surface, occupies space and is ... poorly and impact to crop yield and quality of agricultural products (Kellogg et al., 2000) 1.5.2 Soil, ash and sediment 1.5.2.1 Soil Soil is a natural body, including solids (minerals and organic ... discovered and published before Table 4.7 Bacteria isolated in ash, soil and sediment with contamination of Paraquat and Glyphosate Type Name of bacteria Ash - PRQ Ash - GPT Soil - PRQ Soil - GPT...
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Soil pH and Organic Matter pptx
... functions in the soil, including Examples of Soils Acid sulfate soils Forest soils Humid climate arable soils Calcareous soils Sodic soils pH scale 10 11 12 13 14 Common acids and alkalis Battery ... to understand plant nutrient availability and optimal growing conditions for specific crops, it is important to understand soil chemistry and interacting factors that affect soil pH Soil organic ... nutrient storage and soil aggregation SOM levels have declined over the last century in some soils as a result of over-grazing grasslands and the conversion of grasslands to tilled farmland This reduction...
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WORKPLACE SAFETY AND ASBESTOS CONTAMINATION pptx
... England, the Czech Republic, Chile, Denmark, El Salvador, Finland, France, Germany, Iceland, Italy, Latvia, the Netherlands, New Zealand, Norway, Poland, Saudi Arabia, Sweden, and Switzerland ... about some workers in Tyler, TX, and the industry knew, and they died of mesothelioma and asbestosis, and the industry knew They had known forever and ever and ever, and they did not let them know—thus, ... Safety and Health, Centers for Disease Control and Prevention, Department of Health and Human Services And Michael Shapiro is acting Assistant Administrator of the Office of Solid Waste and Emergency...
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SOIL EROSION AND CONSERVATION THIRD EDITION docx
... alternate wetting and drying, freezing and thawing and frost action, and biochemical Soil is disturbed by tillage operations and by the trampling of people and livestock Running water and wind are ... values are higher for non-cultivated land than for cropland and also vary with the type of vegetation cover, differences in soil structure and soil moisture and type of tillage (Poesen et al 2003) ... Yemen, where land abandonment occurred following droughts in the 1900s, the 1940s and between 1967 and 1973, and then increased markedly in the 1970s as people migrated to Saudi Arabia and the Gulf...
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Effect of sludge processing mode, soil texture and soil ph on metal mobility in undisturbed soil columns
... polyethylene tub A soil sample was then taken, preweighed masses of sludge were added and the soil and sludge were thoroughly mixed The soil/ sludge mixture was then returned to the soil column and ®rmly ... fragments (all soils were largely free of stones and pebbles), and stored in polyethylene bags Soil pH was determined in 1:1 soil/ distilled water suspensions, mixed at and 0.5 h and measured at ... Pollution 109 (2000) 327±346 Fig Old site Hudson (OS) and Hudson control (H) soil column percolate and soil pH, plotted by soil type and initial soil pH: *, OS5; *, OS7; !, OS natural; !, OS>7; &,...
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coats & schauberger - the fertile earth - nature's energies in agriculture, soil fertilisation and forestry (2000)
... along with groundwater Qualified hydraulic and hydroelectric engineers suffer from similar flawed logic, and must be retrained as quickly as possible if forests, fields, pasture lands and the remaining ... molecular evolution and an increase in the performance of qualigen-deficient and therefore over-fatigued blood and sap vessels On the other hand, if techno-academic pressure and heat-intensifying ... equitable and adequate supply of food to an expanding global population appear almost insuperable Despite the fertiliser and pesticide industry's extravagant claims, it is becoming more and more...
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Báo cáo nghiên cứu khoa học " METHODS OF PHYTOPHTHORA ISOLATION FROM SOIL, ROOT AND INFESTED PLANT OF BLACK PEPPER AND OTHER CROPS " doc
... Phytophthora from soil and root of several crops Table Effect of rose petals on Phytophthora isolation from soil and root of several crops Solution Crops Durian Aquilaria Cafe Soil Total of soil samples ... pepper and black pepper root by petal and leaf traps Soil from rhizosphere at 15 cm to deep and early disease infested rootlet samples were collected Soil and rootlet (one third in volume) were ... by glass stick and kept at least for hours to soil and rootlets deposited Freshly color petals (0.5 x 0.5 cm) or black pepper leaves were released into cups containing samples and incubator at...
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ADVANCES IN GEOTECHNICAL EARTHQUAKE ENGINEERING – SOIL LIQUEFACTION AND SEISMIC SAFETY OF DAMS AND MONUMENTS pptx
... Engineering – Soil Liquefaction and Seismic Safety of Dams and Monuments 28 Fig 40 Scouring of Foundation Soils and Severing of Building’s Utility Lines, Phi Phi Island Hospital, Thailand, 2004 Fig ... Engineering – Soil Liquefaction and Seismic Safety of Dams and Monuments Due to the steep and rugged topography in the affected mountainous region, wide spread landslides (see Figs and 10) have ... configuration and topography, etc which influenced the wave focusing, reflection and refraction; tsunami run-up height; extent of inland inundation; flow velocity and scour, wave pressure, uplift and debris...
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SOIL HEALTH AND LAND USE MANAGEMENT doc
... distribution of OC in soils (Kaiser and Guggenberger 2000; Gillabel et al 2010) and the dissimilarity in controls on C dynamics and decomposition of soil OC with depth in topsoil and subsoil (Fontaine ... regional trend in soil fertility with respect to the soil mineralogical and chemical properties was investigated Soil properties were correlated with different Soil Health and Land Use Management ... higher for the soils originated from Cenozoic rocks or deposits On the other hand, these soil properties generally did not significantly differ for different land uses 6 Soil Health and Land Use Management...
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Báo cáo lâm nghiệp: "Soil environment and nutrient status of Norway spruce (Picea abies [L.] Karst.) underplantings in conditions of the 8th FAZ in the Hrubý Jeseník Mts" potx
... means of correlation matrices RESULTS AND DISCUSSION Physicochemical properties of soils and nutrient status of forest stands on research plots From the aspect of soil acidity the evaluated samples ... climatic and air pollutions Water, Air and Soil Pollution, 116: 151–197 M A (1978): New extractant for soil test evaluation of phosphorus, potassium, magnesium, calcium, sodium, manganese and ... Soil Science and Plant Analysis, 9: 477–492 M J (2003): Defoliation of older Norway spruce (Picea abies [L.] Karst.) stands in Polish Sudety and Carpathian Mountains Forest Ecology and...
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Báo cáo lâm nghiệp: "Effects of the clear-cutting of a Douglas-fir plantation (Pseudotsuga menziesii F.) on the chemical composition of soil solutions and on the leaching of DOC and ions in drainage waters" pps
... and 30 cm, 10% between 30 and 60 cm and no roots below 60 cm) compared to the root distribution observed for trees (34% between and 15 cm, 29% between 15 and 30 cm, 30% between 30 and 60 cm and ... scenarios and 2) (Tab VIIB) In relative values, at 120 cm, it represented a change of 64, +12, and 18 % for N, K, Ca and Mg respectively for scenario and of 59, +29, +5 and % for N, K, Ca and Mg ... Cycling and budgets of acidity and nutrients in Norway spruce stands in northeastern France and the Erzgebirge (Czech Republic), ch 3.3, in: Landmann G., Bonneau M (Eds.), Forest decline and atmospheric...
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Báo cáo khoa học: "Response of Pinus taeda L to soil flooding and salinity SR Pezeshki" ppt
... individual and combined hypoxia and salinity on net carbon assimilation of this species and the subsequent effects of these stresses on growth and biomass partitioning was evaluated MATERIALS AND METHODS ... responses of g and A for days #100 and 160 initiation Both g and A in treatment F and FS remained lower than control plants throughout the day following treatment Maximum g and A for control ... (Cornelius, 1980) and in P ponderosa seedlings (Bedunah and Talica, 1979) Ball and Farquhar (1984a,b) noted a decrease in A for mangroves, Aegiceras corniculatum and Avicennia marina Pezeshki and Chambers...
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Báo cáo y học: "onstruction of an Yucatec Maya soil classification and comparison with the WRB framework" pps
... consideration subsoil properties that influence soil management and/ or crop adaptability This is the case of the K’an kab lu’um soils that have red topsoil and yellow subsoil Soils enriched in ... scientific soil classifications, such as the WRB system and the USDA Soil Taxonomy [39] The position of the soils on the terrain is a primary diagnostic feature [40] Maya soil groups and soil units ... special soil or land conditions that significantly restrict their use potential For example, Buy lu’um stands for poor soils, Sohol lu’um for dry and sterile soils, K’oha’an lu’um for degraded soils,...
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