environmental samples Articles

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Hurricane Cyclones To Reduce Emissions Of Dryer Cyclones In Glowood Pellet Plant (71,839 m3/h at 87ºC)

by Advanced Cyclone Systems, S. A.  (Jan. 13, 2015)

Foreword ACS designed and supplied a Hurricane Cyclone System to reduce PM emissions of existing dryer cyclones at Glowood Pellet Plant. The plant occupies a total area of 3.8 hectares and a total investment amounting to 10 M€. Production (100.000 ton/y) is 100% for export, as Portugal consumes under 10% of what it manufactures on a global ...

Interview with Ronald Ebelhar, 2015 Chairman of the ASTM Board

by ASTM International  (Jan. 8, 2015)

Ron Ebelhar has provided leadership in civil engineering projects and ASTM technical committee work since the 1970s. This year, he brings his experience to his elected position as chairman of the ASTM board of directors. You have worked on dozens of engineering projects since getting your degrees in civil engineering. What are some of the most ...

NextGen GIS and the Environmental Database

by EarthSoft, Inc  (Jan. 23, 2015)

Next Generation (NextGen) Geospatial Information System (GIS) and U.S. Department of Energy (DOE) Cold War legacy sites environmental records—spanning nearly 40 years—in the Environmental Database, are managed by the DOE Office of Legacy Management (LM). As key LM assets, these records must be managed and maintained efficiently and ...

Measurements of nanomaterials in environmentally‐relevant water matrices using liquid nebulization / differential mobility (LN/DMA) analysis

by John Wiley & Sons, Ltd.  (Dec. 30, 2014)

A liquid nebulization‐differential mobility analysis (LN/DMA) methodology was evaluated for the measurement of the size distribution and quantitative mass concentration of nanomaterials in environmentally relevant aqueous media. The analysis time is 8 min, the method requires little routine sample preparation and less than 8 mL of sample. The ...

Progress Soil Sampling Results Collected from Phase 1 at SRSNE Superfund Site in Southington, Connecticut

by TerraTherm, Inc.  (Nov. 27, 2014)

TerraTherm has recently completed its final progress soil sampling effort of Phase 1 at the Solvents Recovery Service of New England, Inc. (SRSNE) Superfund site in Southington, Connecticut. The site's total target treatment zone covers an area of approximately 74,195 square feet and an approximate volume of 47,298 cubic yards; with Phase 1 and ...

Stability of Fe-oxide nanoparticles coated with natural organic matter under relevant environmental conditions

by IWA Publishing  (Dec. 19, 2014)

Manufactured nanoparticles (MNPs) are increasingly released into the environment and thus research on their fate and behaviour in complex environmental samples is urgently needed. The fate of MNPs in the aquatic environment will mainly depend on the physico-chemical characteristics of the medium. The presence and concentration of natural organic ...

ANSI N13.1-2011 Stack Sampling Considerations

by HI-Q Environmental Products Company  (Sep. 20, 2014)

Background Nuclear facilities are required to follow industry standards for sampling stack effluents. Exposure of the general public to released radionuclides must be monitored as specified in US governmental regulations. The United States Environmental Protection Agency (USEPA) and the United States Nuclear Regulatory Commission (USNRC) have the ...

Establishing environmental baseline case study

by Antea Group - USA  (Nov. 6, 2014)

Challenge: A major integrated oil company, intending to divest a portfolio of 68 retail petroleum facilities in the northwest United States, requested the services of Antea Group to conduct Phase II Environmental Site Assessments in order to establish an environmental baseline prior to selling the assets. Among the project-specific challenges were ...

Impact of environmentally based chemical hardness on uranium speciation and toxicity in six aquatic species

by John Wiley & Sons, Ltd.  (Dec. 5, 2014)

Treated effluent discharge from uranium (U) mines and mills elevates the concentration of U, calcium (Ca), magnesium (Mg) and sulfate (SO42‐) above natural levels in receiving waters. Many investigations on the effect of hardness on U toxicity were often experiments on the combined effect of changes in hardness, pH and alkalinity which do not ...

Direct detection of Mycobacterium avium in environmental water and scale samples by loop-mediated isothermal amplification

by IWA Publishing  (Jun. 18, 2014)

We previously demonstrated the colonization of Mycobacterium avium complex in bathrooms by the conventional culture method. In the present study, we aimed to directly detect M. avium organisms in the environment using loop-mediated isothermal amplification (LAMP), and to demonstrate the efficacy of LAMP by comparing the results with those ...

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