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  2. Stratospheric aerosol injection - Wikipedia

    en.wikipedia.org/wiki/Stratospheric_aerosol...

    The effect of major volcanic eruptions on sulfate aerosol concentrations and chemical reactions in the atmosphere. Major volcanic eruptions have an overwhelming effect on sulfate aerosol concentrations in the years when they occur: eruptions ranking 4 or greater on the Volcanic Explosivity Index inject SO 2 and water vapor directly into the stratosphere, where they react to create sulfate ...

  3. Aerosol spray dispenser - Wikipedia

    en.wikipedia.org/wiki/Aerosol_spray_dispenser

    The aerosol spray canister invented by USDA researchers, Lyle Goodhue and William Sullivan.. The concepts of aerosol probably go as far back as 1790. [1] The first aerosol spray can patent was granted in Oslo in 1927 to Erik Rotheim, a Norwegian chemical engineer, [1] [2] and a United States patent was granted for the invention in 1931. [3]

  4. Beauty Products Keep Getting Recalled for Benzene. Just How ...

    www.aol.com/beauty-products-keep-getting...

    What Are the Alternatives to Aerosol Dry Shampoos? Let’s say you’re choosing to eliminate potential carcinogens from your beauty regimen. The good news is, you’ve got options.

  5. Solar radiation modification - Wikipedia

    en.wikipedia.org/wiki/Solar_radiation_modification

    Managing solar radiation using aerosols or cloud cover would involve changing the ratio between direct and indirect solar radiation. This would affect plant life [ 74 ] and solar energy . [ 75 ] Visible light, useful for photosynthesis, is reduced proportionally more than is the infrared portion of the solar spectrum due to the mechanism of Mie ...

  6. Air freshener - Wikipedia

    en.wikipedia.org/wiki/Air_freshener

    When the container's valve is opened by pressing the actuator, fragrance is forced through the spray nozzle located inside the actuator to create a mist of droplets containing fragrance. These droplets are 30 to 50 micrometres in diameter. A recently developed alternative, the "bag-on-valve" aerosol, places the air freshener inside a bag in the ...

  7. Bromotrifluoromethane - Wikipedia

    en.wikipedia.org/wiki/Bromotrifluoromethane

    For normally unoccupied areas, the alternatives include carbon dioxide, powdered Aerosol C, CF 3 I, HCFC-22, HCFC-124, HFC-125, HFC-134a, gelled halocarbon/dry chemical suspension (PGA), blend of inert gas, high expansion foam systems and powdered aerosol (FS 0140), and IG-541 (Inergen). [15]

  8. Condensed aerosol fire suppression - Wikipedia

    en.wikipedia.org/wiki/Condensed_aerosol_fire...

    Condensed aerosol systems are suitable for special hazard applications as replacements for Halon 1301 systems and high-pressure carbon dioxide systems. Aerosol systems can also be used as alternatives to clean agent gaseous suppressants or water-mist systems. [5]

  9. Significant New Alternatives Policy - Wikipedia

    en.wikipedia.org/wiki/Significant_New...

    The Significant New Alternatives Policy (also known as Section 612 of the Clean Air Act or SNAP, promulgated at 40 CFR part 82 Subpart G) is a program of the EPA to determine acceptable chemical substitutes, and establish which are prohibited or regulated by the EPA. [1]