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The Refrigerator Safety Act in 1956 was a U.S. law that required a change in the way refrigerator doors stay shut. It was codified at 15 U.S.C. 1211–1214 as Public Law 84-930, 70 Stat. 953, on 2 August 1956. [9]
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 ...
Chlorine gas poisoning is an illness resulting from the effects of exposure to chlorine beyond the threshold limit value. Acute chlorine gas poisoning primarily affects the respiratory system , causing difficulty breathing, cough, irritation of the eyes, nose, and throat, and sometimes skin irritation .
The first air conditioners and refrigerators employed toxic or flammable gases, such as ammonia, sulfur dioxide, methyl chloride, or propane, that could result in fatal accidents when they leaked. [4] In 1928 Thomas Midgley Jr. created the first non-flammable, non-toxic chlorofluorocarbon gas, Freon (R-12).
The typical symptoms of chlorine gas exposure are coughing, irritation or burning in the throat, nose and eyes, difficulty breathing, watery eyes and chest tightness, the experts note.
Like most toxic gases, the dose inhaled determines the toxicity on the respiratory tract. Occupational exposures constitute the highest risk of toxicity and domestic exposure is uncommon. Prolonged exposure to low concentration of the gas may have lethal effects, as can short-term exposure to high concentrations like chlorine gas poisoning.
The America’s Poison Centers said that there were 2,834 calls in 2023, a stark increase from 2022’s 2,323 calls. Assortment of Red Bull and Monster energy drinks in various flavors. Getty Images
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