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(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 01:45, 17 February 2017 Astenger (talk | contribs) deleted page Geophysical Methods - Introduction (content was: "Geophysical methods can be used for cost-effective site characterization and monitoring by observing variations in the electrical, magnetic, and seismic properties of subsurface materials. Common data collection approaches include boreho...")
- 01:42, 17 February 2017 Astenger (talk | contribs) deleted page Zerovalent Iron (ZVI) (content was: "Zerovalent iron (ZVI) is the most commonly used zerovalent metal (ZVM) for environmental remediation. ZVI is typically applied as a [https://en.wikipedia.org/wiki/Reducing_agent reductant] and is capable of transforming (degrading) or se...")
- 01:40, 17 February 2017 Astenger (talk | contribs) deleted page 1,2,3-Trichloropropane (TCP) (content was: " 1,2,3-Trichloropropane (TCP) is a probable human carcinogen that is present in the environment due to historic use as a so..." (and the only contributor was "Jbarnes"))
- 01:37, 17 February 2017 Astenger (talk | contribs) deleted page Polycyclic Aromatic Hydrocarbons (PAHs) (content was: "Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds that consist solely of carbon and hydrogen atoms in aromatic ring structures. Sixteen PAHs are regulated by the U.S. Environmental Protection Agency (USEPA) based o...")
- 01:35, 17 February 2017 Astenger (talk | contribs) deleted page Natural Source Zone Depletion (NSZD) (content was: "Natural source zone depletion (NSZD) is a term used to describe the collective, naturally occurring processes of dissolution, volatilization, and biodegradation that result in mass losses of light non-aqueous phase liquid (LNAPL) petrole...")
- 01:33, 17 February 2017 Astenger (talk | contribs) deleted page Metagenomics (content was: "Metagenomics is analysis of the genetic material of many organisms present in an environmental sample. It allows project managers to survey the local microbial community to make more informed remediation-related decisions. This approach...")
- 01:30, 17 February 2017 Astenger (talk | contribs) deleted page Stable Isotope Probing (SIP) (content was: "Stable isotope probing (SIP) uses heavy isotopes to identify and track contaminant fate to evaluate whether biodegradation is occurring at a site. Here, we describe how SIP works in a typical study, outline its advantages and limitation...")
- 01:29, 17 February 2017 Astenger (talk | contribs) deleted page Quantitative Polymerase Chain Reaction (qPCR) (content was: "Quantitative polymerase chain reaction (qPCR) quantifies the abundance of specific microorganisms and functional genes capable of degrading a particular contaminant at a given site. Thus, qPCR-related analytical approaches can be used to...")
- 01:25, 17 February 2017 Astenger (talk | contribs) deleted page Molecular Biological Tools - MBTs (content was: "Molecular Biological Tools (MBTs) are analyses used to estimate biodegradation at contaminated sites. They can provide key evidence about contaminant-degrading microorganisms and biodegradation processes at many phases associated with si...")
- 01:24, 17 February 2017 Astenger (talk | contribs) deleted page Dispersion and Diffusion (content was: "Dispersion during groundwater flow results in spreading of a contaminant plume from highly concentrated areas to less concentrated areas. In many groundwater transport models, solute transport is described by the advection-dispersion-rea...")
- 01:22, 17 February 2017 Astenger (talk | contribs) deleted page Advection and Groundwater Flow (content was: " Advection is the movement of groundwater through the subsurface due to pressure and gravitational energy. The combined processes of advection, dispersion,...")
- 01:20, 17 February 2017 Astenger (talk | contribs) deleted page Direct Push Logging (content was: "Direct push (DP) technology can be used to advance a variety of logging tools into the subsurface to provide high-resolution information on vertical variations in soil and unconsolidated formation properties. Commonly used tools provide...")
- 01:18, 17 February 2017 Astenger (talk | contribs) deleted page Direct Push Sampling (content was: "Soil, groundwater, and soil gas samples can be collected by direct push (DP) technology. Both single tube and dual tube DP methods are used for sampling of soils, unconsolidated formations<ref name= "McCall2006">McCall, W., Nielsen, D.M....")
- 01:17, 17 February 2017 Astenger (talk | contribs) deleted page Direct Push (DP) Technology (content was: "Direct push (DP) technology provides a subsurface sampling, logging, and investigation technique that is efficient for application in unconsolidated formations consisting primarily of sand, silt, and clay with some gravel. DP machines ad...")
- 01:16, 17 February 2017 Astenger (talk | contribs) deleted page In Situ Anaerobic Bioremediation Design Considerations (content was: "Bioremediation is the process by which contaminants in soil and/or groundwater are treated biologically, primarily by microorganisms or biomolecules generated and released by the cells. This article overviews key design considerations wh...")
- 01:15, 17 February 2017 Astenger (talk | contribs) deleted page In Situ Anaerobic Bioremediation (content was: "Bioremediation is the process by which contaminants in soil and/or groundwater are treated biologically, primarily by microorganisms or biomolecules generated by the cells. Bioremediation processes can take place under oxic (with oxygen)...")
- 01:12, 17 February 2017 Astenger (talk | contribs) deleted page Compound Specific Isotope Analysis (CSIA) For Environmental Investigation and Remediation (content was: "Compound specific isotope analysis (CSIA) refers to measurement of the isotopic signatures (typically, the stable isotopes of carbon, hydrogen, oxygen, nitrogen or sulfur) of individual compounds from...")
- 01:11, 17 February 2017 Astenger (talk | contribs) deleted page Injection and Distribution of Liquid Amendments in Groundwater (content was: "Many different types of amendments can be used for remediation of contaminants in soil and groundwater. A critical requirement for successful remediation is getting amendments in contact with the contaminants to be treated. Whether the a...")
- 01:10, 17 February 2017 Astenger (talk | contribs) deleted page Perchlorate, Issues and Treatment Options (content was: " Perchlorate is a groundwater contaminant primarily associated with rocket manufacturing, testing, maintenance, and disposal. Perchlorate has a high solubility and low health-based concentration goals for drin...")
- 01:08, 17 February 2017 Astenger (talk | contribs) deleted page Toxicology of Insensitive Munitions (content was: "The US military is phasing out traditional explosives in favor of insensitive munitions (IM) to reduce risks of accidental detonation. This article overviews recent results on the toxicology of some common IM components, namely 2,4-dinit...")
- 01:07, 17 February 2017 Astenger (talk | contribs) deleted page Modeling with TREECS™ for Predicting Fate and Environmental Risk of Munitions Constituents (content was: "The Training Range Environmental Evaluation and Characterization System (TREECS™) was developed for the Army to forecast the fate of, and risk from, munitions constituents (MC) such as Explosive and Propellant Dissolution | high exp...")
- 01:05, 17 February 2017 Astenger (talk | contribs) deleted page Combined Remedy with a Thermal Component (content was: "Complex sites often require a combination of technologies for remediation. At heavily contaminated sites, in situ thermal treatment is used to treat the source, while other technologies are used in the transition and plume zones. The thr...")
- 01:03, 17 February 2017 Astenger (talk | contribs) deleted page In Situ Thermal Desorption (ISTD) (content was: "In situ thermal desorption (ISTD) is based on simple heating by thermal conduction in combination with fluid extraction. Elevated subsurface temperatures mobilize contaminants for extraction. ISTD is a...")
- 00:58, 17 February 2017 Astenger (talk | contribs) deleted page Electrical Resistance Heating (ERH) (content was: "Electrical Resistance Heating (ERH) is based on heating by passing alternating current through the subsurface. ERH has gained wide acceptance over the last 20 years for treatment of source zones with volatile organic contaminants. The mo...")
- 00:56, 17 February 2017 Astenger (talk | contribs) deleted page Steam Enhanced Extraction (SEE) (content was: "Steam enhanced extraction (SEE) is an in situ thermal remediation technology used in relatively permeable settings to heat the ground and remove organic contaminants. SEE can be combined with other therma...")
- 00:25, 17 February 2017 Astenger (talk | contribs) deleted page In Situ Thermal Remediation (content was: "In situ thermal remediation (ISTR) has gained wide acceptance over the last 20 years. It is now considered an accepted contaminant source reduction technology with a high degree of certainty for achieving remedial objectives. ISTR consis...")
- 00:23, 17 February 2017 Astenger (talk | contribs) deleted page Smoldering Remediation (content was: "Smoldering remediation is a thermal technology for treating non-aqueous phase liquids (NAPLs) where air is forced through the material to be treated to propagate a low-temperature, flameless form of comb...")
- 00:22, 17 February 2017 Astenger (talk | contribs) deleted page Subgrade Biogeochemical Reactor (SBGR) (content was: "The subgrade biogeochemical reactor (SBGR) is a relatively low cost, sustainable bioreactor configuration that can be applied to remediate soil and groundwater source zones. SBGRs are most commonly constructed by excavating a soil source...")
- 00:20, 17 February 2017 Astenger (talk | contribs) deleted page Biological Reductive Processes (content was: "Microbial removal of halogens from organic compounds by reductive processes forms the basis for many types of bioremediation technologies. The process was discovered within the la...")
- 00:18, 17 February 2017 Astenger (talk | contribs) deleted page Energetic Materials (content was: "Energetic Materials (EM) are chemicals used in formulations as propellants, pyrotechnics, and explosives in weapon systems, munitions, and blasting agents. This article introduces these materials, major physical and chemical properties,...")
- 00:17, 17 February 2017 Astenger (talk | contribs) deleted page Sustainable Remediation (content was: "Sustainable remediation involves evaluating remediation projects for their social, economic, and positive vs. negative environmental impacts. This key concept of incorporating sustainability into remediation projects is beneficial becaus...")
- 00:14, 17 February 2017 Astenger (talk | contribs) deleted page Plume Response Modeling (content was: "Plume response modeling simulates how groundwater contaminant plumes respond to contaminant source control. Understanding the plume response is important because plumes may grow, stabilize, or shrink depending on the source strength and...")
- 00:12, 17 February 2017 Astenger (talk | contribs) deleted page Source Zone Modeling (content was: "Source zone modeling involves mathematical simulations of contaminant behavior in areas that act as sources of groundwater contamination. Contaminant mass dischar..." (and the only contributor was "Jbarnes"))
- 00:10, 17 February 2017 Astenger (talk | contribs) deleted page Hydrocarbon Biodegradation (content was: " Hydrocarbons are major constituents of crude oil and petroleum. They can be biodegraded by naturally-occurring microorganisms in freshwater and marine environments under a variety of aerobic and anaerobic con...")
- 00:08, 17 February 2017 Astenger (talk | contribs) deleted page Sorption of Energetic Materials (content was: "Adsorption of contaminants by soils removes them from solution and slows down contaminant movement to groundwater. The majority of energetic materials experience reversible sorption in soils. In general, organic...")
- 00:06, 17 February 2017 Astenger (talk | contribs) deleted page pH Buffering in Aquifers (content was: "Processes that inhibit pH changes in an aquifer are called pH buffering processes. These processes are important because pH is often a key control on the chemical and microbiological processes responsible for contaminant remediation. All...")
- 00:03, 17 February 2017 Astenger (talk | contribs) deleted page Remediation of Metal and Metalloids in Soils and Groundwater (content was: "There are many sites where soil and/or groundwater are contaminated with metals and metalloids (collectively referred to as “metals” henceforth) that require some type of response. The most comm...")
- 00:02, 17 February 2017 Astenger (talk | contribs) deleted page Monitored Natural Attenuation (MNA) of Metal and Metalloid Contaminants (content was: "Monitored natural attenuation (MNA) can manage metals and metalloid contaminants (“metals”) at some sites, if the contaminants can be safely held in place on aquifer materials by sorption and/or precipitation processes. The degree an...")
- 00:01, 17 February 2017 Astenger (talk | contribs) deleted page Mobility of Metals and Metalloid Contaminants in Groundwater (content was: "The mobility of metals and metalloids (collectively referred to as “metals” in this article) in groundwater is fundamental to assessment of risk these contaminants pose, as well as their remedia...")
- 23:59, 16 February 2017 Astenger (talk | contribs) deleted page Metal and Metalloid Contaminants (content was: "Metals and metalloids (an element such as arsenic or antimony with properties in between those of [https://en.wikipedia.org/wiki/Metalloid metals] and [https://en.wikipedia.org/wiki/Nonmetal nonmetals]) are common groundwater contaminant...")
- 23:53, 16 February 2017 Astenger (talk | contribs) deleted page Perfluoroalkyl and Polyfluoroalkyl Substances (PFASs) (content was: "Environmental releases of perfluorooctanoic acid (PFOA), perfluorooctane sulfonate (PFOS), and other perfluoroalkyl and polyfluoroalkyl substances (PFASs) have occurred at manufacturing facilities and in areas where aqueous film-forming...")
- 23:51, 16 February 2017 Astenger (talk | contribs) deleted page ISCO Design Considerations (content was: "In situ chemical oxidation (ISCO) is a soil and/or groundwater remediation technology that uses oxidants to react with contaminants, resulting in their conversion into less harmful products. Key cons...")
- 23:49, 16 February 2017 Astenger (talk | contribs) deleted page Oxidant Selection for ISCO (content was: "In situ chemical oxidation (ISCO) is a soil and/or groundwater remediation technology that introduces chemical oxidants into contaminated subsurfaces in order to react with contaminants, resulting in...")
- 23:46, 16 February 2017 Astenger (talk | contribs) deleted page In Situ Chemical Oxidation - ISCO (content was: "Chemical Oxidation is an in situ remediation technology that can be applied to groundwater or soils and many different contaminants. It is a chemical technology where strong oxidants are injected or mechanically...")
- 23:45, 16 February 2017 Astenger (talk | contribs) deleted page Cometabolic Biodegradation of Environmental Pollutants (content was: "Cometabolic biodegradation of environmental pollutants is a non-growth linked biological process catalyzed by microorganisms. During this process, microorganisms..." (and the only contributor was "Jbarnes"))
- 23:43, 16 February 2017 Astenger (talk | contribs) deleted page Secondary Water Quality Impacts of Anaerobic Bioremediation (content was: "Secondary water quality impacts (SWQIs) from anaerobic bioremediation are changes in water chemistry that result from addin..." (and the only contributor was "Jbarnes"))
- 23:40, 16 February 2017 Astenger (talk | contribs) deleted page No-Purge/Passive Sampling (content was: "No-purge and passive sampling methods eliminate the pre-purging step for groundwater sample collection and represent alternatives to conventional sampling methods that rely on low-flow purging of a well prior to collection. These methods...")
- 23:34, 16 February 2017 Astenger (talk | contribs) deleted page Long-Term Monitoring (LTM) Data Variability (content was: "Long-term monitoring (LTM) data is used for assessing remediation processes and attainment of site-specific clean up goals. Unfortunately, short-term variability in the monitoring results can make it harder to identify the long-term tren...")
- 23:29, 16 February 2017 Astenger (talk | contribs) deleted page Long-Term Monitoring (LTM) Data Analysis (content was: "Site managers commonly use long-term monitoring data to assess changes in contaminant concentrations over time. Statistical methods available in a variety of software packages are used to distinguish between real long-term changes in con...")
- 20:41, 14 February 2017 Jbarnes (talk | contribs) deleted page technical protocol for evauluating NMA of MTBE (content was: "{| cellpadding="5" cellspacing="5" style="border:1px solid #ddcef2; vertical-align:left; background-color:#f9f9f9;" |- | width="100" | TITLE: | API Technical Protoc..." (and the only contributor was "Dbeall"))
