ambient air sensor Articles
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Community Solar Garden Powers Ontario Homes & Businesses - Case Study
Overview: A new analysis from the National Renewable Energy Laboratory finds that shared photovoltaic (PV) solar systems — also called community solar gar- dens — could account for one-third to one-half of all solar PV power in the United States by 2020. These shared community solar systems greatly benefit the many business- es and homes (especially rental properties) that have been ...
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Photoionisation Detector (PID) for Arson Investigation
One such tool for the detection of accelerants at fire scenes recommended by investigators3 is the photoionisation detector (PID) which has already proven to be an ideal solution for the detection of relatively low level VOCs for health & safety and environmental applications. These devices are battery powered and portable and can be deployed rapidly and safely to test areas between ...
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PID for Arson Investigation - Photoionisation Detectors
One such tool for the detection of accelerants at fire scenes recommended by investigators is the photoionisation detector (PID) which has already proven to be an ideal solution for the detection of relatively low-level VOCs for health & safety and environmental applications. These devices are battery powered and portable and can be deployed rapidly and safely to test areas between ...
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Air pollution monitoring for mines: a solution for cost effective measurements
Air pollution is one of the main environmental problems to be addressed by the EU. In order to foster sustainable development and mitigate climate change, it is therefore important to provide national and regional authorities with appropriate measures to reduce criteria pollutants (PM 10, PM2.5, O3, CO2, SO2 and NOx) concentrations in air. Many cities are not able of meeting the implemented EU ...
By ENVEA
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Area Monitoring: Diffusion Sampling
Indoor and outdoor gas hazards that exist in open areas are usually monitored using diffusion-type sensors. A diffusion sensor has no active sample-drawing system; diffusion sensors rely on the ambient air movement and pressure to deliver the sample to the sensing element. Diffusion-type sensors are a reliable and cost-effective way to monitor open area gas hazards. When installing diffusion ...
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Passive vs Active Sampling for Sensor-based Ambient Air Quality Monitoring
Air pollution with its cascading effects across the population has become a serious matter of concern. To address this air pollution problem, availability of accurate and reliable air quality data is crucial. The quality of air monitoring depends upon how the sample of air is collected and how it is analysed. This paper majorly focuses on passive vs active sampling for air quality monitoring. ...
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A Complete Guide to Benzene
Why is Benzene so hazardous? VOCs have a significant vapour pressure at normal ambient temperature which means they evaporate (volatilise) at low temperatures so they can easily enter the body through normal breathing but can also be absorbed through the skin or by swallowing material containing it. The effects on worker’s health depends upon how much benzene they are exposed to and for ...
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Dust monitoring – PM100
What is PM100? “PM” (Particulate Matter) is not a single pollutant but refers to a complex mixture of solids and aerosols of varying shape, size, and chemical composition. It may contain many chemical species like organic compounds, inorganic ios, metallic compounds, elementary carbon, etc. These atmospheric particles are definable by their diameter for air quality regulatory ...
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Particulate Matter monitoring – PM10
What is PM10? “PM”, Particulate Matter, is not a single pollutant, but refers to a complex mixture of solids and aerosols of varying shape, size, and chemical composition and may contain many chemical species like organic compounds, inorganic ions, metallic compounds, elementary carbon, etc. So, these atmospheric particles are defined by their diameter for air quality regulatory ...
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Cerex introduces the new AirSentry FTIR Open Path Analyzer
Cerex Monitoring Solutions is pleased to announce the release of the third generation model AirSentry FTIR multi-gas open path FTIR analyzer. The decision was made to fully redesign the analyzer to take full advantage of advances in hardware and software technology. The third generation design represents a full reconfiguration of the instrument. Goals were to reduce initial and operating costs ...
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Air Particulate Monitoring – PM1
What is PM1 “PM” (Particulate Matter) is not a single pollutant but refers to a complex mixture of solids and aerosols. Which are of varying shape, size, and chemical composition. Which may contain many chemical species like organic compounds, inorganic ios, metallic compounds, elementary carbon, etc. These atmospheric particles are definable by their diameter for air quality ...
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Particulate Matter monitoring – PM2.5
What is PM2.5? “PM”, Particulate Matter, is not a single pollutant, but refers to a complex mixture of solids and aerosols of varying shape, size, and chemical composition and may contain many chemical species like organic compounds, inorganic ions, metallic compounds, elementary carbon, etc. So, these atmospheric particles are defined by their diameter for air quality regulatory ...
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Monitoring Oxygen and Carbon Monoxide in Dive Tanks
I'm convinced of the benefit of analyzing tanks for O2 percentage and the presence of CO (carbon monoxide). On my last dive trip I found that my Cootwo was giving really wonky readings (O2 randomly off by 5~10%, despite having a good sensor, recent calibration, etc) and the CO sensor was due for replacement/calibration. With Divenav out of business (or at least, out of the business of hardware ...
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Gas Monitoring for Ventilation Control and Energy Management
The growing demand for underground and enclosed parking and maintenance garages (resulting from limitations on land availability) has increased the awareness and need for proper ventilation and control systems. In addition, increased health and safety programs have only added to the concerns of toxic and combustible gases in confined or enclosed spaces. Historically, ventilation and make-up air ...
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