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  2. Percent active chlorine - Wikipedia

    en.wikipedia.org/wiki/Percent_active_chlorine

    Percent active chlorine values have now virtually replaced the older system of chlorometric degrees: 1% active chlorine is equivalent to 3.16 °Cl. Taking the (reasonable) assumption that all active chlorine present in a liquid bleach is in the form of hypochlorite ions, 1% active chlorine is equivalent to 0.141 mol/kg ClO − (0.141 mol/L if ...

  3. Disinfection by-product - Wikipedia

    en.wikipedia.org/wiki/Disinfection_by-product

    Swimming pools using chlorine have been found to contain trihalomethanes, although generally they are below current EU standard for drinking water (100 micrograms per litre). [4] Concentrations of trihalomethanes (mainly chloroform) of up to 0.43 ppm have been measured. [5]

  4. Chlorine-releasing compounds - Wikipedia

    en.wikipedia.org/wiki/Chlorine-releasing_compounds

    Chlorine is a respiratory irritant that attacks mucous membranes and burns the skin. As little as 3.53 ppm can be detected as an odor, and 1000 ppm is likely to be fatal after a few deep breaths. Exposure to chlorine has been limited to 0.5 ppm (8-hour time-weighted average—38-hour week) by the U.S. OSHA. [9]

  5. Permissible exposure limit - Wikipedia

    en.wikipedia.org/wiki/Permissible_exposure_limit

    The permissible exposure limit (PEL or OSHA PEL) is a legal limit in the United States for exposure of an employee to a chemical substance or physical agent such as high level noise.

  6. Disinfectant - Wikipedia

    en.wikipedia.org/wiki/Disinfectant

    Frequently, a concentration of < 1 ppm of available chlorine is sufficient to kill bacteria and viruses, spores and mycobacteria requiring higher concentrations. Chlorine has been used for applications, such as the deactivation of pathogens in drinking water, swimming pool water and wastewater, for the disinfection of household areas and for ...

  7. Immediately dangerous to life or health - Wikipedia

    en.wikipedia.org/wiki/Immediately_dangerous_to...

    Personal protective equipment for IDLH conditions: pressure-demand self-contained breathing apparatus with a full facepiece. If the concentration of harmful substances is IDLH, the worker must use the most reliable respirators.

  8. What do soda can tabs mean on TikTok and why are people ... - AOL

    www.aol.com/entertainment/soda-tabs-mean-tiktok...

    TikTokers are using soda can tabs to predict their romantic futures. People on TikTok love to use things like nail polish colors to signal their relationship status.

  9. Bleach - Wikipedia

    en.wikipedia.org/wiki/Bleach

    The grade of chlorine-based bleaches is often expressed as percent active chlorine. One gram of 100% active chlorine bleach has the same bleaching power as one gram of elemental chlorine. The most common chlorine-based bleaches are: Sodium hypochlorite (NaClO), usually as a 3–6% solution in water, usually called "liquid bleach" or just "bleach".

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