environmental samples Articles

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Productivity at the Commercial (or pay per test) Laboratory - White Paper

by Shimadzu Scientific Instruments Inc  (Mar. 3, 2015)

Commercial environmental laboratories practice “applied analytical chemistry” by analyzing samples using a list of potential contaminants to determine how much, if any, of the pollutants are there. The data collected may be used by the laboratory’s client to, among other reasons, satisfy a regulatory permit, or for routine ...

Emissions analyser helps manage power station

by Quantitech Ltd  (Feb. 20, 2015)

A multiparameter emissions monitor at Thetford power station is being used to demonstrate to the Environment Agency that the plant is performing within the conditions of its environmental permit. However, the data from the analyser, which was supplied by Milton Keynes based Quantitech, also performs a vitally important role in helping to manage ...

Rugged Tablet helps with Data collection in tornado clean-up - Case Study

by Handheld UK and Ireland Ltd  (Mar. 4, 2015)

Challenge After a massive tornado wiped out much of the city of Joplin, Missouri, Asbell Excavating needed to find all of the downed transformers, note their location, then go back and clean up the spills before serious environmental damage could occur. Solution GPS points were imported first into an Excel spreadsheet then into Carlson Takeoff, ...

What are the key steps in measuring pH? Why do I need to calibrate?

by Camlab Limited  (Feb. 11, 2015)

pH is a useful parameter which is used across all industries for quality control, environmental monitoring, lab work and much more. There are 10 key steps which should be followed to ensure pH measurements using a meter are accurate. pH is a useful parameter which is used across all industries for quality control, environmental monitoring, ...

ACS installation at Glowood 100,000ton/y pellet plant achieves 12mg/Nm3

by Advanced Cyclone Systems, S. A.  (Feb. 5, 2015)

With increasingly tougher restrictions on industrial air emissions, pellet manufacturers are looking to "future-proof" particulate matter (PM) compliance, cost effectively. One Portuguese producer, Glowood Indústria S.A., has recently installed a brand new type of mechanical cyclone. The most recent results show a remarkable reduction of ...

Review of polyoxymethylene (POM) passive sampling methods for quantifying freely‐dissolved pore water concentrations of hydrophobic organic contaminants

by John Wiley & Sons, Ltd.  (Feb. 21, 2015)

Methods involving polyoxymethylene (POM) as a passive sampler are increasing in popularity to assess contaminant freely‐dissolved porewater concentrations in soils and sediments. These methods require contaminant‐specific POM‐water partition coefficients, KPOM. Specific methods for determining KPOM perform reproducibly (within 0.2 log units). ...

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 ...

A broad cocktail of environmental pollutants found in eggs of three seabird species from remote colonies in Norway

by John Wiley & Sons, Ltd.  (Feb. 27, 2015)

Three seabird species, Common eider (Somateria mollisima), European shag (Phalacrocorax aristotelis aristotelis), and European herring gull (Larus argentatus), were selected to survey for a broad range of legacy and emerging pollutants to assess chemical mixture exposure profiles of seabirds from the Norwegian marine environment. A total of 201 ...

Quantifying natural variability as a method to detect environmental change: Definitions of the normal range for a single observation and the mean of m observations

by John Wiley & Sons, Ltd.  (Feb. 5, 2015)

The normal range has been defined as the range that encloses 95% of reference values; in practice this range has been defined as the reference mean ± 2 standard deviations. When sample sizes are small and reference data are not normally distributed, the mean ± 2 standard deviations do not enclose 95% of data values. Prediction intervals ...

Environmental assessment of marine sediments off Poompuhar, Southeast Coast of India

by Inderscience Publishers  (Dec. 24, 2014)

The environmental conditions Off Poompuhar was inferred with the aid of 38 sediment samples collected off Bay of Bengal north of Nagappattinam. Sediments were analysed to understand the geochemistry (textural analysis, TOC, CaCO 3 , major and trace elements) along the coastal tracts and their pollution rate using various geochemical indices. ...

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