Air & Climate Applications in Washington

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    Noise modeling for noise consulting

    Noise planning that supports many governments and engineering associations worldwide. 

    By SoundPLAN International LLC based in Shelton, WASHINGTON (USA).

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    SF6 Leak Detection

    Monitoring Sulfur Hexafluoride (SF6) in the Power Utility Industry. Monitoring Sulfur Hexafluoride in the Power Utility Industry The SF6 Leak Detector 3434i from LumaSense offers an unmatched combination of performance and convenience. Based on the company’s Photoacoustic Spectroscopy (PAS) technology, the system offers highly accurate, reliable and stable quantitative gas analysis and detection. The growing environmental requirements and pressures regarding the use of SF6 make LumaSense’s system a coveted tool designed for everyday use. The system is able to measure the total concentration of the SF6 gas in an enclosed area, where the switchgear (or other SF6 filled equipment) is tested. Although only the total amount leaked is required by today’s standards, it is also advantageous to be able to pin point the leaks. This makes it easier to improve the integrity of the equipment. The SF6 Leak Detector system meets all of requirements for confined area such as substation Monitoring.

    By LumaSense Technologies, Inc. Distributor in Seattle, WASHINGTON (USA).

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    Mercury monitoring for isotopic abundance by the ICP-MS

    Studies of real-world ecosystems are very complex. Mercury species inter-conversion as well as mercury deposition and evasion are constantly occurring. One technique to help sort out the processes is to trace reactions using natural Hg isotopes. Either by enriching a system with a particular isotope or determination of isotopic ratios as a technique of source identification, isotopes are a powerful tool for investigation. The Tekran 2600 Total Mercury and Tekran 2700 Methyl Mercury systems are designed to couple to an ICP-MS for mercury quantification by CVAFS and isotopic abundance by the ICP-MS.

    By Tekran Instruments Corporation Office in Seattle, WASHINGTON (USA).

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    Mercury monitoring for measuring mercury content in hair

    Measurement of mercury content in hair is a convenient technique to estimate dietary exposure without having to handle tissues or bodily fluids. As the mercury present in hair is comprised of different mercury species, full speciation of the compounds is needed for complete understanding. Environment Canada published a technique where treating a basic digestion with Cd2+ in the presence of cysteine allowed analysis of inorganic mercury and total mercury using a Tekran 2600 System. Methyl mercury was then calculated by difference. Tekran has over 18 application notes available for Tekran 2600 users.

    By Tekran Instruments Corporation Office in Seattle, WASHINGTON (USA).

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    Air Flow Monitoring for Tunnels

    By Optical Scientific Inc. (OSi) Distributor in WASHINGTON (USA).

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    Odor control for sewage pumping stations

    By Simple Solutions Dist. LLC Distributor in Bellingham, WASHINGTON (USA).

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    Odor control for the manufacturing industry

    By Simple Solutions Dist. LLC Distributor in Bellingham, WASHINGTON (USA).

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    Mercury monitoring for measuring mercury speciation in air

    Tekran offers the only completely integrated, automated system for measuring mercury speciation in air. The Tekran 2537, when coupled to the Model 1130 and Model 1135 provides a continuous record of gaseous elemental mercury, gaseous oxidized mercury and particle-bound mercury. Over the past 12 years, the Tekran 2537-1130-1135 system has been the most significant tool used to advance the understanding of the fate and transport of atmospheric mercury. See the Expert’s Corner for details about international networks using the Tekran Atmospheric Mercury Speciation System.

    By Tekran Instruments Corporation Office in Seattle, WASHINGTON (USA).

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    Mercury monitoring for mercury flux measurement

    The Tekran 2537 has been used in numerous published studies to measure the deposition or evasion of mercury from natural or contaminated surfaces (i.e. flux measurements). It is anticipated that many mercury flux measurements will be needed in the future to assess the impact of climate change on mercury cycling in the environment. There are two basic ways to do mercury flux measurements. First, the dynamic flux chamber method utilizes a custom enclosure, with controlled air flow, to measure the inlet and outlet concentration over a selected surface to determine the flux over time. Alternatively, the micrometeorological gradient method uses measured concentrations at two levels above a surface. The perfect tool for both flux measurement methods is the Tekran 1110 Two Port Sampler, so the Tekran 2537 can automatically switch between two distinct sampling points. Ask us how we can help you setup a mercury flux system.

    By Tekran Instruments Corporation Office in Seattle, WASHINGTON (USA).

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    Mercury monitoring for on-site remediation

    Fugitive emissions can be a health concern during removal and disposal of mercury-contaminated material at remediation sites. Thus, remediation projects either indoors or outdoors often require on-site, real-time mercury air monitoring with a Tekran 2537. This assures permitted levels are not exceeded during waste processing and human exposure levels are below government regulated toxicity thresholds. Often multiple sites must be monitored continuously. The Tekran 1115 Multi-Port Sampler is the ideal tool for multiplexing the Tekran 2537 for real-time continuous on-site monitoring of mercury fugitive emissions.

    By Tekran Instruments Corporation Office in Seattle, WASHINGTON (USA).

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    Mercury monitoring for ocean cruises

    Researchers at Battelle Pacific Northwest Laboratory used a Tekran 2600 on a 2009 ship cruise. Due to the low levels of mercury in water, Tekran provided them with a custom 2600 Event Table to pre-concentrate mercury from multiple samples to push the detection limit lower. When planning an ocean bound cruise, instrument dependability is a paramount concern. At sea, there is no possibility to return instrumentation to the manufacturer for quick repair. The Tekran 2600 has a well deserved reputation for dependability and performance. If any repairs are necessary, the instrument is highly user-serviceable and easy to maintain.

    By Tekran Instruments Corporation Office in Seattle, WASHINGTON (USA).

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    Mercury monitoring for aircraft research measurement

    An examination of the literature shows that the Tekran 2537 is the choice for measurements of mercury aboard research aircraft. Several research groups in Europe and North America have used the Tekran 2537 on an aircraft platform for point source plume studies, free troposphere speciation characterization, vertical profiles, characterizing emission source regions and even the stratosphere (http://www.caribic-atmospheric.com/instrum/hg.html). Normally, the Tekran 2537 requires simple modifications for aircraft studies. Ask us to point you to past research, collaborating research groups and technical information if you are interested in mercury aircraft studies.

    By Tekran Instruments Corporation Office in Seattle, WASHINGTON (USA).

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    Mercury monitoring for manual analysis of air traps

    The Tekran 2600 versatility is evident with the economical and convenient configuration for manual analysis of air samples collected on gold cartridges. Converting the instrument allows calibration by simple injection of gaseous Hg using the Tekran 2505. Once analyzed, the gold cartridges are immediately ready for redeployment.

    By Tekran Instruments Corporation Office in Seattle, WASHINGTON (USA).

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    Gas detection for building ventilation control

    By Acme Engineering Prod. Ltd. Distributor in Seattle, WASHINGTON (USA).

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    Odor control for biofuel plants

    By Simple Solutions Dist. LLC Distributor in Bellingham, WASHINGTON (USA).

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    Odor control for landfills

    By Simple Solutions Dist. LLC Distributor in Bellingham, WASHINGTON (USA).

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    Odor control for waster utilities

    By Simple Solutions Dist. LLC Distributor in Bellingham, WASHINGTON (USA).

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