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  2. Halogen lamp - Wikipedia

    en.wikipedia.org/wiki/Halogen_lamp

    Halogen bulbs operate at high temperatures and the tall height of the lamps can bring them near flammable materials, such as curtains. [29] Some safety codes require halogen bulbs to be protected by a grid or grille, especially for high-power (1–2 kW) bulbs used in theatre , or by the glass and metal housing of the fixture, to prevent ...

  3. Hazardous waste - Wikipedia

    en.wikipedia.org/wiki/Hazardous_waste

    "In terms of hazardous waste, a landfill is defined as a disposal facility or part of a facility where hazardous waste is placed or on land and which is not a pile, a land treatment facility, a surface impoundment, an underground injection well, a salt dome formation, a salt bed formation, an underground mine, a cave, or a corrective action ...

  4. Red List building materials - Wikipedia

    en.wikipedia.org/wiki/Red_List_building_materials

    The Red List and the Living Building Challenge. The Living Building Challenge includes seven performance categories, titled as petals. The red list falls under the materials petal. A building project may not contain any of the Red List chemicals or chemical groups. There is an exception for small components in complex products. [4]

  5. EPA list of extremely hazardous substances - Wikipedia

    en.wikipedia.org/wiki/EPA_list_of_extremely...

    This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002). The list can be found as an appendix to 40 CFR 355. [1] Updates as of 2006 can be seen on the Federal Register, 71 FR 47121 (August 16, 2006). [2]

  6. How hazardous are these household items?

    www.aol.com/news/2015-12-01-how-hazardous-are...

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  7. List of NA numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_NA_numbers

    The NA numbers (North American Numbers are assigned by the United States Department of Transportation, supplementing the larger set of UN numbers, for identifying hazardous materials. NA numbers largely duplicate UN numbers, however a selection of additional numbers are provided for materials that are not covered by UN numbers as a hazardous ...

  8. Halogen - Wikipedia

    en.wikipedia.org/wiki/Halogen

    The chemical reactivity of halogen atoms depends on both their point of attachment to the lead and the nature of the halogen. Aromatic halogen groups are far less reactive than aliphatic halogen groups, which can exhibit considerable chemical reactivity. For aliphatic carbon-halogen bonds, the C-F bond is the strongest and usually less ...

  9. Universal waste - Wikipedia

    en.wikipedia.org/wiki/Universal_Waste

    Universal waste is a category of waste materials designated as "hazardous waste", but containing materials that are very common. It is defined in 40 CFR 273.9 , by the United States Environmental Protection Agency but states may also have corollary regulations regarding these materials.