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  • Biological Remediation of Hydrocarbon and Heavy Metals ...

    Biological remediation of hydrocarbon and metal contaminated soil offers a better and more environmentally friendly technique that if properly and thoroughly explored can bring our environment into a better place for both plant and animals well being due to .

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  • Bioremediation Flashcards | Quizlet

    Bioremediation. 3 types 1. composting - degrades food and garden waste 2. land farming - spreading contaminated soil on a pad so that water and contaminants can leak out of the soil 3. biopiles - contaminated soil piled up high. vacuums installed in piles and chemicals to decontaminate added. chemical vapors go into atmosphere.

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  • Soil Remediation Groundwater Remediation Bioremediation

    Remediation Approaches Overview. Hydrocarbon contamination from heating oil, diesel fuel and tanks (USTs), that over time leak. A lesser known but also prevalent form of contaminants are polyaromatic hydrocarbons (PAH). Contaminants such as petroleum hydrocarbons tend to spread through soil by diffusion and convection over time.

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  • BIODEGRADATION OF ALIPHATIC COMPOUNDS PRESENT .

    BIODEGRADATION OF ALIPHATIC COMPOUNDS PRESENT IN CRANKCASE OIL BY BACTERIA ISOLATED FROM CONTAMINATED SOIL Ayandele, A. A.1 and Fagade, O. E.2 1 Department of Pure and Applied Biology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria. 2 Department of Microbiology, University of Ibadan, Ibadan, Nigeria. [email protected]

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  • Arsenic

    The greatest threat to public health from arsenic originates from contaminated groundwater. Inorganic arsenic is naturally present at high levels in the groundwater of a number of countries, including Argentina, Bangladesh, Chile, China, India, Mexico, and the United States of America.

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  • Laboratory Studies of Air Stripping of VOC-Contaminated Soils

    soil into the vapor phase and dissolved phase depend on the type of soil and the contaminant chemical composition. Initially, when a contaminant is at a residual saturation condition in a soil, an equilibrium is established among all three phases (gas, liquid, and solid). During soil venting, removal of contaminated .

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  • Guidance Document for the Remediation of Contaminated .

    Guidance Document for the Remediation of Contaminated Soils State of New Jersey Christine Todd W hitman, Governor ... The 1998 Revised Guidance Document for the Remediation of Contaminated Soils was prepared by staff in the ... BN Base Neutral Compounds (BN+10, BNE) Part of BN/AE BN/AE Base Neutral/Acid Extractable Compounds, semivolatiles ...

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  • Bioremediation of creosote‐contaminated soil in South ...

    Aims: To determine the combined effects of biostimulation and bioaugmentation in the landfarming of a mispah form (lithosol; food and Agriculture Organisation (FAO)) soil contaminated with >310 000 mg kg −1 creosote with a view to developing a bioremediation .

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  • DRDB: BAAQMD 8-40 ORGANIC COMPOUNDS-AERATION OF ...

    4.2 all contaminated soil shall be removed from the site, or 4.3 treatment to remove the contamination shall be initiated. 306.5 Treatment of contaminated soil to remove the contamination shall be subject to all applicable District Rules and Regulations.

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  • Soil & Groundwater Remediation

    Soil vapor extraction (SVE) can be a cost-effective method to remediate volatile organic compounds when the contamination occurs in unsaturated soils with sufficiently high permeability. This remedial method is used to treat large volumes of contaminated soil effectively with minimal disruption to business operations.

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  • Removal of heavy metals from a contaminated soil using ...

    tartaric acid with metal extraction yields typically following the sequence, copper> nickel> zinc> cadmium> lead. Sequential extractions proposed by the European Communities Bureau of Reference method used to assess the redistribution of heavy metal forms in the soil showed that apparent metal mobilities were reduced upon soil washing.

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  • DISPOSAL AND ONSITE USE OF CONTAMINATED SOILS .

    Soils contaminated with moderate concentrations of total petroleum hydrocarbons and associated contaminants, such as volatile organic compounds, semi-volatile organic compounds, organochlorine pesticides, polychlorinated biphenyls, and California Assessment Manual metals, are wastes, as defined in California Water Code section 13050, whose discharge ...

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  • ASSESSMENT AND CALCULATION OF BTEX PERMEATION .

    The unsaturated soil zone is defined as the soil layers between the ground water table and the surface. Thus, this sorption process holds BTEX compounds in soil structure and inhibits their movement through soil particles. Sorption is controlled by many factors, including properties of .

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  • ATSDR - Public Health Statement: Tin and Compounds

    Jan 21, 2015· Tin can enter your body when you eat contaminated food or drink contaminated water, when you touch or eat soil that has tin in it, or when you breathe tin-containing fumes or dusts. Tin compounds can enter your body from nearby hazardous waste .

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  • Remediation of Heavy Metal Contaminated Soil

    Conventional methods of dealing with soils contaminated with heavy metals are solidification and removal. The most commonly used method is solidification. Solidification involves a process in which the contaminated matrix is stabilized, fixated or encapsulated into a solid material by the addition of a chemical compound such as cement.

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  • railroad ties=Contaminated soil? (soil forum at permies)

    If your contamination includes heavy metals, if the soil has treated lumber or coal ash in it, then leaves are not enough and you need to add a good bit of biochar to bind them up. Other than that, lots of leaves and the fungi that decompose them will decontaminate your soil.

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  • Contaminated Soil Treatment

    America or Europe, to try and find an effective and viable way to treat contaminated soil. From each technology mentioned there are spin off remedial processes also. Some methods include: a. Landfarming: A process where contaminated soil is spread out over a large area, usually on top of a liner material, and tilled like farm soil.

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  • Bioremediation of Excavated Petroleum Contaminated Soil

    others. Gasoline-contaminated soil should be characterized for TPH as well as Benzene, Ethylbenzene, Toluene and Xylenes (BTEX) using EPA Method 8020/8015 (Modified). If the release is old, or the exact nature of the materials released is unknown, samples may need to be analyzed for Volatile Organic Compounds (VOCs), Semi-volatile Organic

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  • Protecting crops from radiation-contaminated soil

    Mar 05, 2015· Protecting crops from radiation-contaminated soil by RIKEN (Top) Compared to controls, plants grown in cesium-contaminated soil show less growth and unhealthy leaves.

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  • Contaminated Soil Remediation - GLEI

    contaminated soil remediation Great Lakes E&I has extensive experience performing the safe excavation and transport of contaminated soils and other source materials. Our project management teams prepare job-specific safety protocols and traffic control plans that prevent exposure to workers, as well as the surrounding community and environment.

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  • Floods due to rising sea levels may mobilise arsenic in ...

    Floods due to rising sea levels may mobilise arsenic from contaminated soils Subscribe to free weekly News Alert A mean sea-level rise of 0.8 m is predicted to occur over the next century due to climate change, resulting in flooding of coastal areas and along rivers in these areas.

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  • In Situ Stabilization of Soil Lead Using Phosphorus and ...

    Laperche, Logan, Gaddam and Traina Abstract: Phosphate compounds of Pb [e.g., pyromorphite Pb5(PO4)3(X) where X = OH, F, or Cl] are comparatively insoluble, and inducing their formation in contaminated soils may be a means of reducing the bioavailability and .

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  • Washing of Various Lead Compounds from a Contaminated Soil ...

    Create a new account. Are you an ASCE Member? We recommend that you register using the same email address you use to maintain your ASCE Member account.

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  • Bioremediation of metals and inorganic compounds (Book ...

    Using Artificial Neural Networks to Assess Changes in Microbial Communities / C.C. Brandt, J.C. Schryver and S.M. Pfiffner [and others] --Impact of Treatment Additives Used to Reduce Lead Solubility and Microbial Toxicity in Contaminated Soils / V. Jonioh, J.P. Obbard and R.R. Stanforth --Chromium Elimination with Microbially Reduced Iron ...

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  • Evaluating Petroleum Hydrocarbon-Contaminated Soil – 11557

    in place for petroleum-contaminated soils, nearly all states have cleanup standards that are in some way linked to a general measurement of petroleum contamination in soil called total petroleum hydrocarbons (TPH) [1]. The presence of TPH in soil test results .

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  • Contaminated Soil | Encyclopedia

    Contaminated Soil. Soil can be contaminated by many human actions, including discharge of solid or liquid materials to the soil surface, pesticide and fertilizer application, subsurface release from buried tanks, pipes, or landfills, and deposition of atmospheric contaminants such as .

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  • GUIDANCE FOR ASSESSING PETROLEUM .

    compounds (indicator compounds) using chemical-specific toxicity criteria and physicochemical properties and (2) the analysis for total petroleum hydrocarbons (TPH) oil, gasoline and diesel ranges and (3) Total TPH should not exceed soil saturation concentrations. • Tier 2: (1) The analysis and assessment of individual petroleum-related

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  • Heavy Metals in Contaminated Soils: A Review of Sources ...

    Scattered literature is harnessed to critically review the possible sources, chemistry, potential biohazards and best available remedial strategies for a number of heavy metals (lead, chromium, arsenic, zinc, cadmium, copper, mercury and nickel) commonly found in contaminated soils. The principles, advantages and disadvantages of immobilization, soil washing and phytoremediation techniques ...

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  • Gardening on Lead- and Arsenic-Contaminated Soils

    Contaminated soils contain total concentrations of elements exceeding the natural back-ground level for local soils. Contamination is an intrinsic property of soil, and contaminated soils are easy to identify by chemical testing. They may or may not pose a health hazard, depending on the amount and type of contamination.

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  • Soil Contaminants | Soil Science Society of America

    Common contaminants in urban soils include pesticides, petroleum products, radon, asbestos, lead, chromated copper arsenate, and creosote. In urban areas, soil contamination is largely caused by human activities. Some examples are manufacturing, industrial dumping, land development,...

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