ambient air sampler Articles

  • Improved HF monitoring in Primary Aluminium Smelters with Laser Gas Detectors

    Primary aluminium smelting generates large amounts of hydrogen fluoride gas (HF). Concerns for worker safety and ambient air quality require that HF be monitored at several locations in smelters. Historically, a variety of methods have been used for HF monitoring. Cassette samplers and wet chemistry techniques, coupled with complex and expensive ...

    By Boreal Laser Inc.

  • Dust monitoring

    Generally, two different approaches are used to measure the amount of dust deposited on a surface; Determination of the soiling of a surface, by a change in its properties; Determination of the quantity of dust deposited, by weight. WHAT IS DUST? Dust is a generic term used to describe fine particles that are suspended in the atmosphere. Dust comes from a wide variety of sources, including soil, ...

    By Queensland Laboratory

  • Breakthroughs in testing technology as new global player emerges

    Engineers and developers now have a choice of engine testing technologies following the recognition by the United States Federal Register of the BG3 Partial Flow Dilution sampling (PFD) technology developed by Sierra Instruments for engine particulate emissions, R&D and certification. Building on this news, the Monterey, California - based company has also extended its global footprint this ...

    By Sierra Instruments, Inc.

  • Low-Flow (Minimal Drawdown) Ground-Water Sampling Procedures

    Untitled Document Background The Regional Superfund Ground Water Forum is a group of ground-water ...

    By Solinst Canada Ltd.

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