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Monitoring & Testing

September 2014

This Month´s Featured Articles, Papers & Reports

Quantitative Determination of Volatile Organic Compounds in Drinking Water by EPA Method with Headspace Trap GC-MS

Volatile Organic Compounds (VOCs) refer to a group of easily vapourised organic compounds. Under atmospheric pressure, these compounds boil below 250C. Studies have shown that prolonged exposure to the VOCs could increase the risk of various health problems, such as cancer. VOCs are commonly present ... » read more

How to handle capillaries based dilution in a linear way

Equal capillaries type gas dividers ara intrinsically digital : given the number of installed capillaries, this is the max number of possible dilutions. The paper indicates how, by means of an electronic PID pressure regulation system and using calculated set points, the gas divider may be used ... » read more

Casella

Casella is an ISO 9001-2000 and ISO 14001 certified company with a focus on the development and manufacture of state-of-the-art environmental and workplace monitoring instrumentation. Products include personal air sampling, real-time dust and particulate measurement, personal noise dosimetry, environmental noise measurement and real-time frequency analysis, BOUNDARY Guardian and STORM Guardian systems as well as Tipping Bucket Rain Gauges.

CEMS: An Overview

We`ve written an overview to where CEMS are required, types of site that require CEMS and future requirements. Continuous Emissions Monitoring ... » read more

Biodiversity Detectives Solve Mysteries with Environmental DNA

For years, Monterey Bay Aquarium’s 1.2 million gallon main tank has been a source of thrill for visitors seeking fish-eye views of life in the pounding ... » read more

The city blueprint: experiences with the implementation of 24 indicators to assess the sustainability of the urban water cycle

A set of indicators, i.e. the city blueprint, has been developed to assess the sustainability of the water cycle (SWC). The city blueprint comprises a ... » read more

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