Development Support Document for Methylene Chloride
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Responses to Public Comment on the Draft Reference Exposure Levels for Methylene Diphenyl Diisocyanate Office of Environmental Health Hazard Assessment California Environmental Protection Agency
On July 4, 2014, the Office of Environmental Health Hazard Assessment (OEHHA) released the draft document, Methylene Diphenyl Diisocyanate Reference Exposure Levels: Technical Support Document for the Derivation of Noncancer Reference Exposure Levels to solicit public comment. Responses to comments received on the draft methylene diphenyl diisocyanate reference exposure levels (RELs) are provid...
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A simple macrocyclic amine is alkylated by methylene chloride to give a quaternary ammonium chloride salt. When methylene chloride is the solvent, the reaction exhibits pseudo-first-order kinetics, and the reaction half-life at 25.0 degrees C is 2.0 min. The reaction half-life for a structurally related, acyclic amine is approximately 50 000 times longer. Detailed calculations favor a mechanism...
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Background: Statistics of alcohol use Iran was investigated in the beginning of 2010 in Mental, Social Health and Addiction Department of Ministry of Health. The findings showed that the alcohol use, especially in young people, is notable. Hence a strategic plan or a policy document in alcohol use was needed to explain the main vision also provide countrywide strategies for all related domains ...
متن کاملTreatment of methylene chloride induced carbon monoxide poisoning with hyperbaric oxygenation.
Methylene chloride is an organic solvent with many industrial uses. Inhalation of methylene chloride fumes can result in toxicity, caused by hepatic biotransformation of methylene chloride to carbon monoxide. A case of acute methylene chloride poisoning is presented, including successful treatment of this patient with the use of hyperbaric oxygenation. The rationale for the use of hyperbaric ox...
متن کاملComplex methylene-blue-sensitized polyvinyl chloride: a polymer matrix for hologram recording.
A new polymer matrix sensitized with methylene blue for use as an optical recording material is described here. The characterization is done to determine the optimal recording conditions. These films need no chemical development and are found to be stable for several months. The matrix has excellent shelf life and needs an exposure only as short as 20 s. Direct imaging was done on this material.
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تاریخ انتشار 2013