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  2. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.

  3. 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]

  4. List of gases - Wikipedia

    en.wikipedia.org/wiki/List_of_gases

    This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately. Blue type items have an article available by ...

  5. Toxic gases and claustrophobia: The challenges facing ... - AOL

    www.aol.com/toxic-gases-claustrophobia...

    For premium support please call: 800-290-4726 more ways to reach us

  6. HAZMAT Class 2 Gases - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_2_Gases

    A gas is a substance which (a) at 50 °C (122 °F) has a vapor pressure greater than 300 kPa (43.51 PSI) or (b) is completely gaseous at 20 °C (68 °F) at a standard pressure of 101.3 kPa (14.69 PSI). Gases are assigned to one of three divisions division 2.1 Flammable gas; division 2.2 Non flammable, Non-toxic gas; division 2.3 Toxic gas

  7. GHS hazard statements - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_statements

    EUH029: Contact with water liberates toxic gas; EUH031: Contact with acids liberates toxic gas; EUH032: Contact with acids liberates very toxic gas; EUH066: Repeated exposure may cause skin dryness or cracking; EUH070: Toxic by eye contact; EUH071: Corrosive to the respiratory tract; EUH380: May cause endocrine disruption in humans

  8. Toxic gases add to hazards near Hawaii's erupting ... - AOL

    www.aol.com/article/news/2018/05/15/toxic-gases...

    Lava oozing out of fissures has torn through farmland, destroyed homes and poses a risk of blocking one of the last exit routes, state Highway 132.

  9. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    This is a list of refrigerants, sorted by their ASHRAE-designated numbers, commonly known as R numbers. Many modern refrigerants are human-made halogenated gases, ...