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  2. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    These gas detectors are usually battery operated. They transmit warnings via audible and visible signals, such as alarms and flashing lights, when dangerous levels of gas vapors are detected. Fixed type gas detectors may be used for detection of one or more gas types.

  3. List of UN numbers 3401 to 3500 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_3401_to...

    Lithium-ion batteries (including lithium-ion polymer batteries) UN 3481: 9: Lithium-ion batteries contained in equipment or lithium-ion batteries packed with equipment (including lithium-ion polymer batteries) UN 3482: 4.3: Alkali metal dispersion, flammable or alkaline earth metal dispersion, flammable UN 3483: 6.1: Motor fuel anti-knock ...

  4. Environmental impacts of lithium-ion batteries - Wikipedia

    en.wikipedia.org/wiki/Environmental_impacts_of...

    Lithium-rich clays are the third major source of lithium, although they are far less abundant than salt brines and hard-rock ores containing lithium. To be exact, lithium-rich clays make up less than 2% of the world's lithium products. [16] For comparison, brine extraction represents 39% and hard-rock ores represent 59% of the lithium ...

  5. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3. Their acute inhalation toxicity corresponds to those vapors or gases having LC 50 values greater than 1,000 ppm but less than or equal to 3,000 ppm ...

  6. Lithium-ion batteries causing fires, dangers on California ...

    www.aol.com/news/lithium-ion-batteries-causing...

    The cause of fires. Lithium-ion batteries are widely used in portable electronic devices and electric vehicles, including cellphones, e-bikes, laptops, wireless headphones, scooters, trucks and ...

  7. Workplace exposure monitoring - Wikipedia

    en.wikipedia.org/wiki/Workplace_exposure_monitoring

    A wide array of methods and instrumentation are used in workplace exposure monitoring. Direct-read instruments give immediate data, and include colorimetric indicators such as gas detector tubes, and electronic devices such as gas monitors and aerosol particle counters. In addition, samples may be collected and sent to a laboratory for slower ...

  8. Fire professionals raise alarm about EV lithium battery fire ...

    www.aol.com/fire-professionals-raise-alarm-ev...

    Fires in electric vehicles burn much hotter than those in conventional gas-powered cars and are more challenging to extinguish fully. Fire professionals raise alarm about EV lithium battery fire ...

  9. FAA Warns Airlines on Dangers of Lithium Batteries - AOL

    www.aol.com/lifestyle/2010-10-11-faa-warns...

    The Federal Aviation Administration is urging airlines to take steps to reduce the risk of lithium batteries overheating and causing fires on

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