An Equation of State for Hypersaline Water in Great Salt

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Jun 11, 2011 · Great Salt Lake (GSL) is one of the largest and most saline lakes in the world. In order to accurately model limnological processes in GSL, hydrodynamic calculations require the precise estimation of water density (ρ) under a variety of environmental conditions. An equation of state was developed with water samples collected from GSL to estimate density as a function of salinity and

Selenium mass balance in the Great Salt Lake DeepDyve

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Mar 15, 2009 · Selenium mass balance in the Great Salt Lake, Utah Selenium mass balance in the Great Salt Lake, Utah Diaz, Ximena Johnson, William P. Naftz, David L. 20090315 00:00:00 A mass balance for Se in the south arm of the Great Salt Lake was developed for September 2006 to August 2007 of monitoring for Se loads and removal flows. The combined removal flows (sedimentation

Selenium Removal From Ground Water Using Activated Alumina

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Figure 9 shows the relationship of selenium removal versus activated alumina contact time with a one percent solution of sodium hydroxide (1% NaOH). Fresh activated alumina was rinsed with this basic solution for various amounts of time to test the effect of NaOH rinse time on capacity for selenium removal.

Great Salt Lake USGS

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Discharge and waterquality data collected from six streamflowgaging stations were used in combination with the LOADEST software to provide an estimate of total (dissolved + particulate) selenium (Se) load to the south arm of Great

Sediment Screening Values, Ecological Risk Assessment

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Sep 29, 2004 · UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5. DATE: September 29, 2004 SUBJECT: Sources of Screening Values for Sediment and Soil Based Entirely or Partially on Ecological Risk. BY: James Chapman ([email protected]), Ph.D., Ecologist, U.S. EPA. Ecological riskbased sediment

Forest Service approves plan for polluted Idaho mine

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BOISE, Idaho The U.S. Forest Service on Monday approved a plan to remove hazardous sediment from a defunct 43yearold phosphate mine that''s sending seleniumtainted water into the Blackfoot River

DAM REMOVAL: Dammed if you do, dammed if you don''t ~

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The estimate for removal of the four dams is $450 million, $200 million of which comes from a surcharge on PacifiCorp monthly bill. They have had some folks ask why they don''t strengthen the dam and remove the sediment, and then maintain the water resource it was constructed for. acoustic tagging, selenium

From Canadian Coal Mines, Toxic Pollution That Knows No

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Apr 01, 2019 · "The large amount of selenium coming into Lake Koocanusa is concerning," Naftz says. There''s an influx of upwards of 14,000 kilograms per year — seven times more than Utah''s Great Salt Lake where USGS scientists reported selenium

Nutrient Inputs to the Laurentian Great Lakes by Source

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To help address these issues, SPAtially Referenced Regressions On Watershed attributes (SPARROW) models were developed for estimating loads and sources of phosphorus (P) and nitrogen (N) from the United States (U.S.) portion of the Great

Estimating Selenium Removal by Sedimentation from the

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Estimating Selenium Removal by Sedimentation from the Great Salt Lake, Utah Article in Applied Geochemistry 24(5):936949 · May 2009 with 23 Reads How we measure ''reads''

Localized Electronic Structure of Nitrogenase FeMoco

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The size and complexity of Modependent nitrogenase, a multicomponent enzyme capable of reducing dinitrogen to ammonia, have made a detailed understanding of the FeMo cofactor (FeMoco) active site electronic structure an ongoing challenge. Selective substitution of sulfur by selenium in FeMoco affords a unique probe wherein local Fe–Se interactions can be directly interrogated via high

Houses Junk Yard Ecological Risk Assessment Region 5

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For this site, the Region 5 ecologist (James Chapman) performed the Ecological Risk Assessment, including calculation of Hazard Quotients (HQ), deciding on potential assessment endpoints and conceptual site models (See ERA Guidance Step 3 for more information on endpoints and site models).This section describes the likely sources of contamination, what the contaminants are, and

java How to solve library issue(s) in Selenium? Stack

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I try to use Selenium in my appliion so I have added the library seleniumjava2.30.0.jar to the build path and the following imports to the activity class: import org.openqa.selenium.WebDriver

A National Evaluation of the Clean Water Act Section 319

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removal, road construction, operation of machinery, stream crossings, slash disposal and soil disturbance. Under Maines Erosion and Sedimentation ontrol Law (38 M.R.S.A. § 420 C), erosion

Forest Service approves plan for polluted Idaho mine

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BOISE, Idaho The U.S. Forest Service on Monday approved a plan to remove hazardous sediment from a defunct 43yearold phosphate mine that''s sending seleniumtainted water into the Blackfoot

Water Online News, Innovations, And Thought Leadership

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Water Online is a professional web community covering the water and wastewater industry providing the latest news and technical information for water and wastewater professionals including new innovations, technologies and thought leadership.

Water Online News, Innovations, And Thought Leadership

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Water Online is a professional web community covering the water and wastewater industry providing the latest news and technical information for water and wastewater professionals including new

Author''s personal copy University of Utah

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Author''s personal copy Estimating selenium removal by sedimentation from the Great Salt Lake, Utah Wade Olivera,*, Christopher Fullerb, David L. Naftzc, William P. Johnsona, Ximena Diaza,1 aUniversity of Utah, Department of Geology and Geophysics, Salt Lake City, UT 84112, USA bUS Geological Survey, 345 Middle eld Rd., Menlo Park, CA 94025, USA cUS Geological Survey, 2329

Newsroom Stroud Water Research Center

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Stable isotope and conservative tracer data used to estimate uptake of stream water dissolved organic carbon Stroud Water Research Center Celebrates National Park Service''s Commitment to Fresh Water. Food rationing affects dietary selenium

Volatile Selenium Flux from the Great Salt Lake, Utah

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The annual volatilization flux of selenium from the Great Salt Lake is determined using measured volatile selenium concentrations and direct measurements of flux. Estimating selenium removal by sedimentation from the Great Salt Lake, Utah. Applied Geochemistry 2009, 24 (5), 936949. DOI: 10.1016/j.apgeochem.2009.02.023.

Estimating selenium removal by sedimentation DeepDyve

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May 01, 2009 · Read "Estimating selenium removal by sedimentation from the Great Salt Lake, Utah, Applied Geochemistry" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.

Category: Sediments Sediments – Freshwater Ecology

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The formed elemental selenium was mainly selenium nanoparticles confirmed by transmission electron microscopy coupled with energy dispersive spectroscopy. The redox state of EPS governed selenite reduction and elemental selenium formation, and the reduced

Phosphorous removal from wastewater Lenntech

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The chemical dosage for P removal is the same as the dosage needed for BOD and SS removal, which uses the main part of these chemicals. As mentioned above lime consumption is dependent on the alkalinity of the wastewater: only 10% of the lime fed is used in the phosphorous removal reaction.

Osteoarthritis Workup: Approach Considerations, Plain

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Feb 07, 2020 · Osteoarthritis is the most common type of joint disease, affecting more than 20 million individuals in the United States alone (see Epidemiology). It represents a heterogeneous group of

4 Lakes The National Academies Press

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funds typically are involved in these projects, and several states with large numbers of lakes have developed their own programs. As problems of lake acidifiion became more widely recognized

Of mice and men: a novel dietary supplement for the

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The mean levels of both the CRP and erythrocyte sedimentation rate (ESR) normalized during the trial period (CRP: 6.8 versus 4.0 ESR: 30.3 versus 25.6) (Figure 6(b) and, respectively). There was no

Estimation of Selenium Loads Entering the South Arm of

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ABSTRACT. Discharge and waterquality data collected from six streamflowgaging stations were used in combination with the LOADEST software to provide an estimate of total (dissolved + particulate) selenium (Se) load to the south arm of Great

Author''s personal copy

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study, permanent sedimentation fluxes of Se from the lake were also measured (Oliver et al., 2008). Selenium removal via brine shrimp export was also recently calculated ( Marden, 2007). Naftz et al. (2008) provided highly preliminary estimates Fig. 2 Selenium mass balance for the south arm of the Great Salt Lake for 2006 2007.

Wade Oliver, P.G. Senior Hydrogeologist, Manager of

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View Wade Oliver, P.G.''s profile on LinkedIn, the world''s largest professional community. Wade has 3 jobs listed on their profile. See the complete profile on LinkedIn and discover Wade''s

Microbial Diversity in Water and Sediment of Lake Chaka

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Dec 06, 2005 · A variety of hypersaline environments have been surveyed for microbial diversity such as the Great Salt Lake in Utah, the Great Salt Plains of Oklahoma, the Dead Sea, the Mediterranean

Estimating the accumulation of chemicals in an estuarine

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Estimating the accumulation of chemicals in an estuarine food web: A case study for evaluation of future ecological and human health risks

Sediment Testing Interference Series – Part II ANAMAR News

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After discussion among the contractor, USACE, and EPA, it was determined that the copper analysis would be redone using a salinereduction procedure. Due to holding times and an insufficient volume of sample collected on the first sampling event, the contractor had to return to the project site to collect additional sediment

Federal Register :: Water Quality Standards Establishment

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The Environmental Protection Agency (EPA) is proposing to revise the current federal Clean Water Act selenium water quality criteria applicable to the San Francisco Bay and Delta to ensure that the

4 Lakes The National Academies Press

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funds typically are involved in these projects, and several states with large numbers of lakes have developed their own programs. As problems of lake acidifiion became more widely recognized during the past decade, restoration of acidified lakes by addition of limestone has become a relatively common practice in some northeastern states, as well as in Scandinavia.

Selenium mass balance in the Great Salt Lake, Utah

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A numerical standard for selenium concentrations in the open waters in the Great Salt Lake is being developed to protect avian wildlife. The Great Salt Lake has been designated by the Western Hemisphere Shorebird Reserve Network as a Hemispheric Site because its supports a large population of migratory birds (Aldrich and Paul, 2002).

Final California 2016 Integrated Report (303(d) List/305(b

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Seven out of 94 samples exceed the CTR criteria and this does not exceed the allowable frequency listed in Table 4.1 of the Listing Policy.. Sediment toxicity has been documented, and none of the sediment samples exceeded the sediment

Estimation of selenium loads entering the south arm of

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Discharge and waterquality data collected from six streamflowgaging stations were used in combination with the LOADEST software to provide an estimate of total (dissolved + particulate) selenium (Se) load to the south arm of Great Salt Lake (GSL) from May 2006 through March 2008. Total estimated Se load to GSL during this time period was 2,370 kilograms (kg).