Air Monitoring Standards Articles

  • Fluorophenyl LC Phases- what you should know

     They may be called PFP, PFPP, pentafluorophenyl, fluorophenyl or F5 phases. What they all have in common is the structure shown above (the pentafluorophenyl  group) attached to the silica particles. Most modern phases contain a propyl spacer between the above group and the silica, so that the phase looks something like this: ...


    By Restek Corporation

  • Making a TO-15 Working Standard and the Super Standard Calculator – V2.01

    We already learned how to calibrate our TO-15 system, what our concentration units mean, and how to properly read our vacuum gauge while pressurizing samples. We are clearly going out of order here, because I have never covered how to prepare a working standard (necessary for ...


    By Restek Corporation

  • Key Civil Construction Considerations for Oil and Gas Facilities

    Oil and gas facilities play a crucial role in our nation’s economy, provide fuel and electrical power, and create the ingredients for countless petroleum-based products. With such a vital role to play, it is essential that oil and gas facilities operate at maximum productivity and safety levels. While high quality maintenance, fabrication, and industrial services are all crucial for oil and ...


    By STI Group, Inc.

  • Xylem unveils fifth generation HYDROVAR

    Highly efficient variable speed drive reduces energy consumption Xylem, a global water technology leader, has released the fifth generation HYDROVAR, an intelligent pump controller that accurately adapts to system demands, helping end users realize cost and energy savings while achieving optimum system performance. The new drive can reduce energy consumption of a pump by as much as 70 ...

  • Monitoring the purity of nitrogen in cryogenic air separation plants - Case Study

    In the manufacturing of the containerised plants, Linde Cryoplants Ltd utilise the Systech Illinois EC923 trace oxygen analyser to monitor the purity of the nitrogen. With 125 years of experience and expertise in the field of cryogenics, Linde Cryoplants is a leading manufacturer of air separation plants. Their compact Nitrogen and Oxygen generators provide custom-made and standard supply ...


    By Systech Instruments Ltd

  • How air pollution affects office workers—and the economy

    FOR anyone who has tried jogging through smog, the physically sapping impacts of air pollution should come as no surprise. But pollution doesn’t just slow down runners, it hampers workers too. Research by Tom Chang of the University of Southern California and colleagues found that pear packers working indoors were slowed by air pollution even at levels well below current air-quality ...


    By Camfil Ltd

  • Primary Standard Gas Flow Calibration—The Only Guarantee of Accuracy

    At Sierra, we have a saying: “An instrument’s accuracy is only as good as its calibration.” The accuracy of your mass flow controller (MFC) is essential in assuring the efficiency, performance, and quality of your flow meter. In many cases, if your instrumentation is not calibrated, then a decline in performance is possible due to ...


    By Sierra Instruments, Inc.

  • How to Get Higher Acceptable Indoor Air Quality Anywhere

    The quality of the indoor air we breathe is a concern for everyone, especially those in urban environments where contaminant and particle levels are higher due to nearly constant exposure to things like automobile and truck exhausts, construction, and fumigation. Unfortunately for most people, when it comes to the quality of the air in the buildings where they spend most of their time, ...


    By Camfil Ltd

  • If carbon pricing is so great, why isn’t it working?

    Political hurdles and low prices have made carbon pricing a low-impact affair. But there’s still hope it can help limit climate change. Earth’s atmosphere has long served as a free dump for carbon dioxide and other greenhouse gases generated by humans. That is changing as policy-makers embrace economists’ advice that the best way to cut greenhouse gas emissions is to charge an ...


    By Ensia

  • AQMesh tracks pollution hot spots

    Location Wales (UK) Environment / location Rural, major roadside Installation Single AQMesh pod used in several locations Application Monitoring traffic emissions Objectives Having identified concerning levels of NO2 that breached ...


    By AQMesh

  • Air quality assessment in the EU: room for improvement?

    Different modelling approaches are used to design and assess air quality plans across Europe. This study assessed the strengths and weaknesses of these different approaches. The researchers conclude that a large variety of models is in use, without a preferred or standard model having emerged yet. They identify integrating local-scale and large-scale models and verifying models with measurements ...

  • Can we bury the carbon dioxide problem?

    Seriously — carbon capture and storage could be a game-changer. Mention “carbon capture and storage” — the process of trapping carbon dioxide produced in fossil-fuel burning or other industrial processes and burying it underground — in polite company, and you’re likely to be pounced on. It’s absurdly expensive. It can never be rolled ...


    By Ensia

  • Interview: CNPC on China’s gas developments & environmental policies

    In this interview, conducted at Gastech, we had the pleasure of interviewing Shan Weiguo, Head of Gas Market Research at CNPC. We discussed China’s recent gas developments and its policies on lower emissions, energy security and the future of the country’s energy ...


    By dmg :: events

  • Lake water levels for calibration of the S-HYPE model

    Lake water levels are easy to measure, and can be seen as a transformation of discharge. Water level measurements from 42 lakes in Sweden were analysed, and eight of these lakes were modelled using the Swedish S-HYPE model. The objective was to test if a hydrological model can be calibrated using water level data instead of discharge. A semi-analytical lake routing was developed to resolve ...


    By IWA Publishing

  • The dangers of carbon dioxide

    We are often asked about the effects of carbon dioxide on the body and how to tell if there is a gas leak. As a result of this, we have created this post to provide additional information about exposure to carbon dioxide. What is carbon dioxide? Carbon dioxide (CO2) is a gas which occurs naturally in the Earth’s atmosphere at ...


    By Analox Sensor Technology

  • From OHSAS 18001 to ISO 45001: How the Coming OHS Management System Standard Will Impact Your Business

    Sometimes it seems as if major changes in the world of environment, health and safety (EHS) management are few and far between. One change we can count on is ISO 45001, the international occupational health and safety (OHS) management systems standard expected to be issued final in October 2016. Whether your organization already has an OHS management system or not, the advent of ISO 45001 will ...


    By Rivo Software Ltd.

  • Supercritical carbon dioxide – from coffee to dry cleaning

    Sometimes I can’t start the day without my morning coffee, and I’m sure most adults would agree that consuming caffeine is a part of their daily routine. A regular cup of coffee can contain 95 to 200mg of caffeine depending on what bean is used and how it has been prepared. In moderation, caffeine can elevate your mood, reduce tiredness and make you more alert, however it can also ...


    By Analox Sensor Technology

  • Second-generation biofuels can reduce emissions

    Second-generation biofuel crops like the perennial grasses Miscanthus and switchgrass can efficiently meet emission reduction goals without significantly displacing cropland used for food production, according to a new study. Researchers from the University of Illinois and collaborators published their findings in the inaugural edition of the journal Nature Energy. The researchers call it ...


    By University of Illinois

  • Abbott Labs North Chicago, IL case study

    In process manufacturing of a ScrubPac Thermal Oxidizer Scrubber System with Quencher and pump skid components shown. Scrubber system designed to remove HCL for meeting Pharmaceutical MACT standards. System designed to clean over 61000 ACFM of 1700 deg. F oxidizer exhaust ...


    By Bionomic Industries Inc.

  • The real benefits of standardizing on a single LIMS in the gas and petroleum industry - Case Study

    Automation of laboratory data capture and analysis is claimed to be the major challenge facing the petrochemical industry. Indeed, elimination of manual processes leads to considerable product quality improvements while also aiding compliance with strict environmental regidations. As a result, companies that wish to remain ahead of the competition are standardizing on Laboratory Information ...

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