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For example, phosgene was initially blamed for the Bhopal disaster, but investigations proved methyl isocyanate to be responsible for the numerous poisonings and fatalities. Recent major incidents happened in January 2010 and May 2016. An accidental release of phosgene gas at a DuPont facility in West Virginia killed one employee in 2010. [41]
The Hazardous Waste and Substances Sites List, also known as the Cortese List—named for Dominic Cortese—or California Superfund, is a planning document used by the State of California and its various local agencies and developers to comply with the California Environmental Quality Act requirements in providing information about the location of hazardous materials release sites.
Refrigerant concentration limit / immediately dangerous to life or health in parts per million ... R-227 me: Trifluoromethyl 1,2,2,2-tetrafluoroethyl ether: C 3 HF 7 ...
Chlorodifluoromethane (R-22 or HCFC-22), a type of Freon. [9] [10] Dichlorodifluoromethane (R-12 or CFC-12), the most commonly used Freon brand refrigerant prior to its ban in many countries in 1996 and total ban in 2010. 1,1,1,2-Tetrafluoroethane (R-134a or HFC-134a), one of the main replacements for the formerly widespread R-12.
CFC-113 measured by the Advanced Global Atmospheric Gases Experiment in the lower atmosphere (troposphere) at stations around the world.Abundances are given as pollution free monthly mean mole fractions in parts-per-trillion.
The La Porte Office of Emergency Management (LPOEM) said the Fire Department and Harris County Pollution Control confirmed there were no "detectable amounts of immediately hazardous products" near ...
Traces of a toxic, colorless gas were found at the headquarters of Sweden’s security agency where a suspected gas leak last week forced authorities to evacuate some 500 people from the facility ...
Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3. Their acute inhalation toxicity corresponds to those vapors or gases having LC 50 values greater than 1,000 ppm but less than or equal to 3,000 ppm ...