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Gas Detection

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Gas Detection Articles

Below is a list of articles that have been published on this topic.
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Confined Space Scenarios

Confined spaces can be found in almost any industry and activity, from ship building and repair, to general construction and oil and gas facility commissioning and maintenance. Even a seemingly safe place such as a shipping container could be considered by some health and safety professionals as a confined space, depending upon the scenario at hand.

Detection of Gases

Gas detectors can be found in all walks of life, from food processing plants to parking garages, from aeroplanes to casinos. Any place that can have a potential lack of oxygen or presence of toxic gas needs a gas detector present to monitor the safety of people. Some common uses during field projects are: confined space entry, well drilling, soil screening, area monitoring, worker safety, indoor air quality, and leak detection.

Fixing the Gaps in Gas Leaks

Lloyd's Register’s Brady Austin, Bill Mason, Garry Moon and Jarret Reeves consider the current state of gas detection and explore whether there are other areas that will increase risk management cost-effectively and, in turn, enhance operations onshore and offshore.

Detecting Deadly Gases

All around the world, a large number of people die every year as a result of inhaling toxic gases encountered in their various fields of operations.

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Exploding Myths on Safety Risks

In this article Andrew Sharman presents a selection of explosion accident case studies, noting some remarkable similarities, before exploring how leadership and culture impact the management of workplace risk – wherever we are in the world.

Navigating Confined Spaces

Potential hazards in confined spaces come in many forms, including atmospheric, physical, chemical, process, and human hazards.

Marine Methane

The Arctic is subject to amplified climate warming, and there is potential for greenhouse gas release from thawing submarine reservoirs.

Man Versus Machine

Those silent and invisible hazards that are the gases in our workplaces – either supplied and used as part of production, or created as a by-product of our processes – represent an obvious risk that requires careful control. Often technically complex gas detection systems, designed to monitor the atmosphere, are installed to alert us when particular gases reach certain levels and thus ensure our safety.

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Permit Required Confined Spaces

When it comes to confined space, the same popular questions seem to pop up time and time again, but if they are so popular, why do they keep resurfacing? Let’s break it all down and see how we can answer them.

Emissions Compliance

Exhaust emissions from marine diesel engines mainly comprise nitrogen, oxygen, carbon dioxide (CO2) and water vapour, plus smaller quantities of nitrogen oxides, sulphur oxides, carbon monoxide, various hydrocarbons at different states of combustion and complex particulate matter (PM). It is these smaller quantities, together with CO2, that are of most concern to human health and the environment. Adverse effects are experienced at local, regional and global levels.

Flaring’s Burning Issues

Capturing flared or vented gas presents an opportunity for oil and gas operators to reduce environmental impact as well as providing the prospect of generating an additional revenue stream.

Confined Space Safety Hazards

The Oxford compact English dictionary defines enclosed as an area that is “shut in on all sides” and “secluded from the outside world”.

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Confined Spaces

From gas detection to breathing apparatus, Gary Watts looks at the essential equipment to keep workers, and rescuers, safe in confined spaces.

Defining Detection

Ali Sadeddin explores the limits of gas detection equipment and details the relevant workplace regulations, including the organisations that articulate standards and codes for gas detection.

Confining Risks

In this article James Clayton looks at the role that gas detection plays in safe systems of work for confined space entry.

Go with the Flow

Dr Norman Glen gives a detailed look at multiphase flow metering in the oil and gas industry.

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Why We Take Risks

Gas Leak Detection

Detecting Greenhouse Gases

Detection Dilemmas

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Safety Hazard Detection

Specified Risks in Enclosed Spaces

Differential Absorption LiDAR

Hazard Detection

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Exploring Offshore Safety

Deciphering Detectors

Confined Survival

Lethal Issues

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Precision Detection

Sensing the Future

Confined Space Working

A Trained Approach

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Hazardous Gas Defences

Air Quality Governance

Detection Precision

Welding and Flame Cutting Hazards

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Facing up to Safety

Measuring Up

Safe System Selection

Gas Detection Past and Present

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Gas Testing for Confined Spaces

Confined Spaces in Construction

Life Saving Devices

Detecting Hazards

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Trouble Flaring Up

Confining Risk

Gas Detection

The Invisible Hazard

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Subsurface Landfill Gas Monitoring

Safeguarding Confined Spaces

2013-01-21 EHS News: Gas leak detection methods became a concern after the effects of harmful gases on human health were discovered. Before modern electronic sensors, early detection methods relied on less precise detect

The Three Cs of Oil and Gas Safety

2012-12-19 EHS News: Teresa Budworth, Chief Executive of the health, safety and environmental examinations body, NEBOSH, explores three key aspects of oil and gas safety - compliance, critical issues and competence. Dis

Mining Tragedy Revisited

2012-11-28 EHS News: The loss of 29 lives in the Pike River Mine Disaster of November 19, 2010 will be forever remembered as one of the darkest days in the history of coalmining in New Zealand. As an industry we are cons

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Safe Working in Confined Spaces

2012-11-19 EHS News: Working in confined spaces may initially seem like quite an uncommon area of health and safety provision. You’d be forgiven for thinking it applies to only a small number of highly specialised

Protect Your Workers from Gas

2012-11-07 EHS News: It is a well known fact that oil and gas resources are a huge part of the world economy. What may not be as well known are the dangers that come along with working in this industry. It is the largest

The Unpredictable Nature of Oil Exploration

2012-11-07 EHS News: As oil and gas drilling rigs tend to be located in remote locations onshore and platforms offshore, it is vitally important that workers are fully prepared to deal with an emergency and the consequen

Diode Laser Systems In Gas Measurement

The online analysis of biogas has increased in importance with the increasing use of anaerobic digestion and the use of biogas to generate revenues. Fully automated gas analysis systems can help the operator maximise output, verify data, and give warnings of out of range parameters to safeguard installed plant.

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Air Quality Impacts of Shale Gas Extraction

The arrival of commercial shale gas exploration in Europe, on the back of its success in the United States, has already proven controversial. There are large reserves and its successful production is likely to be welcomed in terms of its impact on energy supply and prices. In the Unites States (US) gas prices have dropped by almost an order of magnitude over recent years, and continue to drop - a very different picture to that experienced in Europe until recently.

Safety in the Wind

Gas detection is the simple phrase used for ‘atmospheric testing’ or ‘atmospheric sampling’. The process involves capturing a sample of the atmosphere so it can be analysed to determine the percentage or amount of a particular substance in the atmosphere (the air we breathe).

Tank Entry and Gas Detection

The best equipment, correctly maintained, and people properly trained to use it, are an essential for safe operations. Clear, well written procedures related to the task are also a necessary safety tool. When you think about it, though, having the best tools and great procedures are useless unless we use them properly - and that comes down to behaviours.

Industrial Gas Detection

Most manufacturing industries in the world, be it food production, mining or automotive, use chemicals and machinery that can produce dangerous levels of poisonous gases.

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A Real Emergency

Working in the offshore oil and gas industry for a very long time (more than 30 years) and meeting and working with people from different countries was a privilege. In the last offshore company that I worked with I was assigned to both the HSE (Health, Safety and Environment) group as well as to the Marine department, which encompasses rig moves, diving work hire and supervision of marine vessels and barges in addition to the oil spill combating activities.

Gas Detection

Gas detection technology is widely used in industry to protect people, plant and atmosphere from the damage that would take place due to release of flammable or toxic gas/vapours. A gas detector of some kind - either fixed or portable - is usually part of safety engineering system.

Gas Detection

Security and peace of mind in their oxygen sensors is what individuals need when their duties involve entering potentially hazardous environments found in numerous different industries.

Gas Detection Technology

Enormous quantities of greenhouse gases (GHG) exist within Arctic ice and frozen soils, so with the threat of global warming, a clear understanding of the relationship between GHG in the atmosphere and in the ice/soil is vital, because melting of permafrost could cause a dangerous climate tipping point.

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Gas Chromatography Sampling Emissions

The government’s Air Quality Strategy for England, Scotland, Wales and Northern Ireland 2007 sets national air quality standards to protect human health, and is the main policy instrument for improving air quality. Policies set out in the strategy support the achievement of national air quality objectives and EU air quality limit values.

Benzene Monitoring

Environmental concerns continue to exert downward pressure on the detection limits of monitoring systems. Benzene, along with other aromatics, is coming under increasing scrutiny in the European Union, and the United States is also re-examining current permissible levels.

Gas Detection

Gases and vapours other than air can pose a threat to human life. The exact nature of this threat depends on the gas present, but in general we divide gas hazards into three main categories: • Combustible • Toxic • Asphyxiant

Gas Detection

Single gas detectors, often referred to as personal gas monitors have been in service for quite a number of years. They are a regular every day sight attached to worker’s coveralls in a wide range of industries and accepted as part of the uniform much like the company badge on the very same pair of coveralls. Whether they are black, yellow, orange or blue they all perform much the same function, don’t they?

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GAS DETECTION

Rob Fair, Chair of the Institution of Occupational Safety and Health’s Hazardous Industries Group, discusses gas detection with his committee members.

Gas Detection

It’s rough on the front lines. If they listened to what these devices have to say, safety pros would learn a lot.

Gas Detectors

Confined spaces contain two types of hazards: atmospheric and physical. About 40% of all confined space incidents involve hazardous atmospheres. For this reason regulators emphasise the requirement to analyse the air for hazardous conditions prior to entry and that spaces be monitored periodically, or in certain situations, continuously, while occupied.

Portable Gas Detectors for Landfill Gases

The key to success is understanding the monitoring environment, and the specific benefits and limitations of the sensors selected. Anyone who has ever visited or driven by a sanitary landfill is aware that they are frequently associated with the presence of (often) very smelly gases. As unpleasant as the odours can be, there is far more going on than can be detected by human senses.

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Gas Detection - Latest developments in portable and fixed gas detection

The purpose of this article is to inform readers of a number of the latest developments in gas detection across a range of different disciplines.

Gas Detection: Bump Testing - There Simply is No Other Option to Ensure Your Safety

True story: On a warm summer morning, the operations crew sat in the control room of a rural western US manufacturing facility. During their morning discussion, one of the operators noticed the smell of gas.

Gas Detection

The certification process for gas detection equipment can be complicated in China. Gas detection manufacturers from other major trading blocks around the world will find that exporting products to the Chinese market doesn’t follow a similar route to those for European or North American approval, for example. Differences in national standards, and a stringent approval route makes Chinese approval for gas detection products confusing and time-consuming, but not without its economic advantages.

Chromatography - The Science of Separation [Jun 2010]

Chromatography is the science of separation, with the analyte of interest being in a mobile phase, passing through a series of stationary phases. This allows the analyte to be isolated for quantification through a wide variety of techniques. This article looks at how chromatography is used to separate the noble gas krypton from air.

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Sensing the Way Ahead

Only rarely in business do we witness a ‘quantum leap forward’ in the application of new technologies (think Dyson, i-Pod, Wii), but when we do it invariably alters the landscape of a particular industry, and of the way in which we attain a desired outcome.

Industrial Gas Detection

Two recent and successful prosecutions brought by the UK Health and Safety Executive (HSE) act as a stark reminder of the importance, among other systems and procedures, of having appropriate and functioning gas detection equipment to help protect employees from serious injury or even death.

Gas Detection

Analysis Methods For Particular Harmful Gases

Gas Detection

Knowledge of the nature and amounts of pollutants in the atmosphere is of major importance in air quality. Consequently there is a need for precise and reliable instruments for analysis of particular gaseous pollutants. Such pollutants include sulphur dioxide (SO2), oxides of nitrogen (NOx) and carbon monoxide (CO). This article will review detection methods for these and, more briefly, for other pollutant gases.

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Detecting Gases

Walking through a drill-site area, a worker smells rotten eggs and stops for a minute or two to assess where a gas leak might exist. Rubbing his itchy eyes as he investigates further, he notices that he no longer smells the tell-tale hydrogen sulphide odour. He does not realize that the gas has deadened his olfactory senses and unless he leaves the area within seconds, he could lose consciousness and possibly his life. A well-researched and planned gas-detection strategy can help reduce the likelihood of situations such as this.

Industrial Gas Detection

In many industrial plants possible leaks of toxic or flammable gas constitute the primary source of hazards for plant/buildings and for workers. For this reason a fast detection of gas leaks or vapour clouds is important to prevent hazardous conditions, and it is in these cases where fixed gas detection systems assume a primary role in safety.

Dry Chemical Odour Scrubbers

Dry chemical scrubbers are uniquely suited for use in collection system pump stations and in waste water treatment plants for the control of odours. They are inherently simple in their operation and function continuously without operator attention for extended periods of time. This type of scrubber, through the use of specialised gas-phase or dry-scrubbing air filtration media types(medias), is essentially able to achieve the complete removal of odours without the need for additional dilution air.

Landfill Gas Projects Under The CDM

The climate is changing. This poses a serious threat to the world’s environment, and is expected to negatively impact on human activities. Today it is widely accepted amongst the scientific community that anthropogenic emissions of greenhouse gases are a key cause of the changes in the Earth’s climate over the last 100 years and that prompt action is necessary. Responses to climate change range from efforts made by individuals and firms to reduce their carbon footprints, to unprecedented international cooperation to reduce greenhouse gas emissions. This article looks in detail at one of these international actions - the Clean Development Mechanism (CDM) which involves the implementation of emission reducing projects in developing countries - with a focus on how landfill gas projects are being given a much-needed boost in developing countries.

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Industrial Gas Detection

There is a popular belief that when you install a gas detection system you make the installation safe. This incorrect and dangerous statement cannot be further from the truth. An installation cannot be made safe by such a simple action; the safety of any installation begins at the design stage - good engineering and materials, and follows through construction to the development of safe operating practices undertaken by trained and competent personnel. After the correct engineering and development of safe operating practices only then can gas detection accept a role to assist and improve the overall safety of the installation.

HSI's Gas Detection FORUM

The fourth of our five manufacturers forums for 2008 concentrates on the field of gas detection. Once again we approached manufacturers from around the world with the same questions and these are the answers we received.

Portable Gas Detection

Minimising workers risk to atmospheric hazards - There are a large number of occupations that require the entry to a confined space. A definition of a confined space varies in the legislation from one country to another, but the differences in effect are slight. In essence it is a space that is large enough to enter and perform work but has limited or restricted means for entry and exit and is not designed for continuous human occupancy. Anyone entering such a space by virtue of its enclosed nature is at increased risk of being overcome by toxic fumes, vapour and oxygen deficiency, drowning, extreme temperature or explosion.

Monitoring You Can Trust

Gas monitoring instruments used by occupational and environmental health and safety (OEHS) professionals have come a long way in improvements since the days of analog monitors designed to warn coal miners of the presence of methane gas. They are advanced to the point where the instruments are chock-full of exceptional features and functionality, much of which comes standard with the product. New or improved technologies have helped to raise the bar, as well as market expectations, resulting in better products and more choices.

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Stationary Source Sampling

Evaluating the characteristics of industrial waste gas emissions. Stationary source sampling or ‘stack-emission testing’ is the experimental process for evaluating the characteristics of industrial waste gas emissions into the atmosphere. Materials emitted to the air from these sources can be solid, liquid, or gaseous; organic or inorganic. The effluent pollutants emitted to the atmosphere from a source may contain many different pollutant materials. The quantity and type of each pollutant must be known so that a control strategy can be formed and emissions regulated. There is a variety of European, International and National procedures for evaluating these emissions.

Confined Spaces

The “best” confined space gas detector doesn’t come from any one manufacturer; it’s the instrument that best fulfils the requirements for your confined space programme.

Gas Detection

Mines can be hazardous environments and the possibility of fire, flood, explosion, asphyxiation, toxic gas poisoning and collapse has the potential to simultaneously affect a large number of people.

Continuous Emissions Monitoring

There has never been such a wide range of analysers and systems available for continuous emissions monitoring from industrial processes as there is today. In the UK there are many manufacturers and distributors offering CEMS (continuous emissions monitoring systems) using a variety of technologies. These include Ultraviolet (UV) and Infrared (IR) absorption, Fourier Transform Infrared (FTIR), Differential Optical Absorption Spectroscopy (DOAS), chemiluminescence and photoacoustic spectroscopy (PAS) for gaseous species as well as various techniques for particulate monitors.

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Why Use Gas Detectors? [Jan 2006]

Emerging Technologies Can Enhance Their Effectiveness. Gas detectors form an important part of safety systems to help protect users from the effects of explosion, fire or ill-health (acute, ie short term and chronic, ie long term) arising from flammable, toxic or asphyxiant gases.

Gas Detection In The Environment

Awareness of air pollution issues is everywhere

Preventing Disasters

New developments in the field of gas sensing technology allow for subsequent advances in the provision of better gas safety systems. In this article, Leigh Greenham, the new Administrator of CoGDEM (Council of Gas Detection and Environmental Monitoring) brings us up to date with gas detection issues, by highlighting some recent industrial safety incidents.

Attack of The Killer Spaces

Mise en scène - It's more like a scene from a Hammer Horror B-movie than reality, but it actually does happen, at least once a year. Someone goes into a harmless-looking opening, perhaps to retrieve something they have dropped, or just for a look, and they don't come out.

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Dealing With Contaminated Land

The Environment agency estimates that there are some 300,000 hectares of land in the UK affected to by contamination left by industrial activity alone. Contaminated land is a general term used to describe land containing substances that, when present in sufficient concentrations, are likely to cause harm to man, the environment, or materials used in construction. This contamination can manifest in soil, in air, as a waterborne hazard or as a combination of these.

Gas Detectors

Gas detectors do 'exactly what it says on the tin' – they detect the presence, and in many cases levels, of gases.

Confined Space Entry

When considering confined space entry procedure, employers integrate many factors into a plan to ensure the safety of all involved. In the UK under the Confined Spaces Regulations 19972, employers must first try to avoid the need for a confined space entry.

Gas Detection

When using or being exposed to hazardous substances at work people's health may be put at risk as a result of over exposure to these materials

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ATEX Directives 94/9/EC and 99/92/EC

The Directive ATEX 94/9/EC of 23rd March 1994 on the approximation of the Laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres has been published on the official EC Gazette No.100 of 19th April 1994.

Fixed or Portable?

With so many terms for gas detection instrumentation cluttering the workplace, it is no wonder you can become confused when looking for information on gas detection equipment.

Gas Detection Technology

There is an array of different sensors for different applications. Jörg Kühn explains the benefits and disadvantages of each kind and how to use them safely.

 

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