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The IDLH value has been set at 10% of the lower explosive limit although other irreversible health effects or impairment ... Toluene: 1885 mg/m 3: 500 ppm: 108883: ...
Hippuric acid has long been used as an indicator of toluene exposure; [14] however, there appears to be some doubt about its validity. [15] There is significant endogenous hippuric acid production by humans; which shows inter- and intra-individual variation influenced by factors such as diet, medical treatment, alcohol consumption, etc. [15] This suggests that hippuric acid may be an ...
Ichthyophthirius multifiliis, often termed "Ich", [1] [2] is a parasitic ciliate described by the French parasitologist Fouquet [who?] in 1876. Only one species is found in the genus which also gave name to the family. The name literally translates as "the fish louse with many children".
Assignment to a toxicity class is based typically on results of acute toxicity studies such as the determination of LD 50 values in animal experiments, notably rodents, via oral, inhaled, or external application.
The permissible exposure limit (PEL or OSHA PEL) is a legal limit in the United States for exposure of an employee to a chemical substance or physical agent such as high level noise. Permissible exposure limits were established by the Occupational Safety and Health Administration (OSHA). Most of OSHA's PELs were issued shortly after adoption of ...
It just so happens to be the same bacterium that causes botulism, a rare condition that attacks the body’s nervous system, according to the U.S. Centers for Disease Control and Prevention. What ...
Doug Corwin, owner of Crescent Duck Farm, carries a female duck used for breeding in 2014 in Aquebogue, New York. Millions of birds have been killed in response to the spread of H5N1 bird flu.
Toluene (/ ˈ t ɒ l. j u iː n /), also known as toluol (/ ˈ t ɒ l. j u. ɒ l , - ɔː l , - oʊ l / ), is a substituted aromatic hydrocarbon [ 15 ] with the chemical formula C 6 H 5 CH 3 , often abbreviated as PhCH 3 , where Ph stands for the phenyl group.