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Hydrocarbon
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The difference between the RWS and the Hydrocarbon curve, is that the latter is based on the temperatures that would be expected from a fire occurring within a relatively open space, where some dissipation of the heat would occur. The RWS curve is based on the sort of temperature you would find when a fire occurs in an enclosed area, such as a tunnel, where there is little or no chance of heat dissipating into the surrounding atmosphere.
Hydrocarbon ingestion presents a challenge to emergency room physicians as well as poison control center specialists. Many controversies surround the proper management of the exposure. Issues include indications and preferred methods for gastric decontamination, use of oil-based cathartics, and the use of steroids or antibiotics. In part, the debate stems from a relative lack of reliable toxicity data and good controlled studies evaluating treatment modalities.
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With strict environmental state and federal restrictions implemented and present within the last few years, Hydrocarbon has once again gained in popularity. It is a clean and environmentally kind solvent. It admits no vapors ... negating the need for a vapor room. However, there is still that problem with combustion.
Lungs Hydrocarbon pneumonia is caused by drinking or breathing in gasoline, kerosene, furniture polish, paint thinner, or other oily materials or solvents. These products cause fairly rapid changes in the lungs, including inflammation, swelling, and bleeding.
Hydrocarbon solvent, currently a popular alternative to Perchloroethylene drycleaning, has actually been around quite some time. In fact, Hydrocarbon was one of the first solvents to be used in the early days of drycleaning. Hydrocarbon remained popular for a number of decades, but was replaced by perc. in popularity around the 1940's. The problem with Hydrocarbon was not its cleaning qualities but the fact that it is a flammable and explosive solvent. It was not uncommon for early drycleaning facilities to have explosions and burn down.
Roughly half of these cases involved children under the age of 6.1 This is not surprising in view of the fact that hydrocarbon-based products are commonly found in the home. Children have access to kerosene during the winter months, and charcoal lighter fluid in the summer season. Often, the products are inappropriately stored in drinking glasses or unlabeled containers, and they may be attractive and pleasant-smelling, like furniture polishes. With adults, gasoline siphoning appears to be a source of accidental hydrocarbon exposure.
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