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  2. Globally Harmonized System of Classification and Labelling of ...

    en.wikipedia.org/wiki/Globally_Harmonized_System...

    The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...

  3. GHS hazard pictograms - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_pictograms

    Division 1.1: Substances and articles which have a mass explosion hazard Division 1.2 : Substances and articles which have a projection hazard but not a mass explosion hazard Division 1.3 : Substances and articles which have a fire hazard and either a minor blast hazard or a minor projection hazard or both, but not a mass explosion hazard

  4. NFPA 704 - Wikipedia

    en.wikipedia.org/wiki/NFPA_704

    "NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National Fire Protection Association. First "tentatively adopted as a guide" in 1960, [ 1 ] and revised several times since then, it defines the " Safety Square " or " Fire Diamond " which is used to ...

  5. Hazardous Materials Identification System - Wikipedia

    en.wikipedia.org/wiki/Hazardous_Materials...

    An example of a HMIS III label for Diesel fuel. The Hazardous Materials Identification System ( HMIS ) is a proprietary numerical hazard rating that incorporates the use of labels with color bars developed by the American Coatings Association as a compliance aid for the OSHA Hazard Communication (HazCom) Standard.

  6. Hazard symbol - Wikipedia

    en.wikipedia.org/wiki/Hazard_symbol

    This system was brought into alignment with GHS in 2015, with a gradual phase in of GHS symbols and label designs through 15 December 2025. [25] The WHMIS system does deviate from GHS by retaining the former WHMIS symbol for Class 3, Division 3, biohazardous infectious materials , as GHS lacks a biological hazard symbol.

  7. Good laboratory practice - Wikipedia

    en.wikipedia.org/wiki/Good_Laboratory_Practice

    The FDA requires nonclinical laboratory studies on new drugs, food additives, and chemicals to assess their safety and potential effectiveness in humans in compliance with 21 CFR Part 58, Good Laboratory Practice for Nonclinical Studies under the Federal Food Drug and Cosmetic Act and Public Health Service Act. [16]

  8. Isotopic labeling - Wikipedia

    en.wikipedia.org/wiki/Isotopic_labeling

    A carbon-13 label was used to determine the mechanism in the 1,2- to 1,3-didehydrobenzene conversion of the phenyl substituted aryne precursor 1 to acenaphthylene. [ 3 ] An isotopic tracer , (also "isotopic marker" or "isotopic label"), is used in chemistry and biochemistry to help understand chemical reactions and interactions.

  9. Classification - Wikipedia

    en.wikipedia.org/wiki/Classification

    Or it may refer to the label given to an object by the classifier. Classification is a part of many different kinds of activities and is studied from many different points of view including medicine , philosophy [ 2 ] , law , anthropology , biology , taxonomy , cognition , communications , knowledge organization , psychology , statistics ...