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Topic: Mercury vapor

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	Mercury (element) - Wikipedia, the free encyclopedia
		Mercury is used in thermometers, barometers and other scientific apparatus, although the use of mercury in thermometers has been largely phased out in clinical and scientific environments (in favor of alcohol-filled, digital or thermistor-based replacements) due to concerns about the element's toxicity.
		Mercury is mostly obtained by reduction from the mineral cinnabar.
		Mercury is still used in some cultures for folk medicine and ceremonial purposes which may involve ingestion, injection, or the sprinkling of elemental mercury around the home.
	en.wikipedia.org /wiki/Mercury_(element) (3477 words)

	Mercury-vapor lamp - Wikipedia, the free encyclopedia
		Mercury vapor lamps (and their relatives) are often used because they are relatively efficient while still offering better color rendition than either high- or low-pressure pressure sodium vapor lamps.
		The mercury vapor lamp is a negative resistance device and requires auxiliary components (for example, a ballast) to prevent it from taking excessive current.
		To correct the bluish tinge, many mercury vapor lamps coat the inside of the outer bulb with a phosphor that converts some portion of the ultraviolet emissions into red light.
	en.wikipedia.org /wiki/Mercury-vapor_lamp (990 words)

	Mercury Vapor (Site not responding. Last check: 2007-11-03)
		Mercury vapor is the vapor generated from elemental liquid mercury or compounds of mercury.
		Mercury vapor is reported to be mutagenic in humans, causing aneuploidy in lymphocytes of exposed workers [Hathaway et al.
		Another manifestation of chronic mercury exposure is characterized by apathy, anorexia, flush, fever, a nephrotic syndrome with albuminuria and generalized edema, diaphoresis, photophobia, insomnia and a pruritic and sometimes painful scaling or peeling of the skin of the hands and feet with bullous lesions [Gosselin 1984].
	www.osha.gov /SLTC/healthguidelines/mercuryvapor/recognition.html (3284 words)

	ATSDR - MMG: Mercury
		In the chemical and mining industries, mercury is used as a catalyst in reactions to form polymers, in manufacturing chlorine and caustic soda, and in extracting gold from ore. Mishandled or spilled mercury from devices used in the home or workplace is often the source of unintentional exposures.
		Mercury poisoning is not known to pose additional risk during the use of bronchial or cardiac sensitizing agents and sympathomimetic bronchodilators may reverse bronchospasm in patients exposed to mercury.
		Mercury poisoning is not known to pose additional risk during the use of bronchial or cardiac sensitizing agents and sympathomimetic bronchodilators may reverse bronchospasm in patients exposed to mercury vapor.
	www.atsdr.cdc.gov /mhmi/mmg46.html (5851 words)

	Mercury Exposure
		Mercury is a liquid metal at ordinary temperatures and pressures.
		Mercury vapor is nonpolar, monatomic gas, and lipid-soluble.
		The standard methods for determining the concentration of mercury compounds in the body involve urine, blood, fecal and hair samples with a challenge test using a small portion of chelator to push out mercury.
	www.mercuryexposure.org /index.php?page_id=32 (1437 words)

	Mercury
		Mercury is found in thermometers, manometers, vacuum pumps, switches, discharge tubes, dental almalgams, and as a component in chemical reactions.
		Due to the toxic properties of mercury, and the difficulty in cleaning it up, mercury is one of the most expensive materials to clean-up and dispose of after a spill.
		Use the mercury vapor analyzer to periodically monitor the airborne level of mercury, and monitor the exhaust from the mercury vacuum.
	www.ehs.ufl.edu /IH/mercury.htm (2377 words)

	Mercury (Site not responding. Last check: 2007-11-03)
		Some organic mercury compounds (methylmercury) are known to cause birth defects in children born of exposed mothers.
		Measurement of mercury in urine is the recommended biologic monitor for workers exposed to metallic and inorganic mercury.
		The concentration of mercury in blood reflects exposure to organic mercury as well as metallic and inorganic mercury; thus it can be influenced by the consumption of fish containing methylmercury.
	www.pp.okstate.edu /ehs/training/mercury.htm (1861 words)

	Mercury
		Mercury is associated with zinc (Zn) and cadmium (Cd), its lighter associates in the same column of the periodic table, which it resembles.
		The density of mercury decreases as the temperature increases, because of the thermal expansion of mercury.
		The mercury evaporates at the cathode spot and condenses on the cool walls of the envelope, controlling the pressure of the mercury, which should be in the neighborhood of 1 mmHg.
	www.du.edu /~jcalvert/phys/mercury.htm (10682 words)

	mercury vapor lamp
		Most indoor mercury vapor lamps in arenas and gymnasiums have been replaced by metal halide lamps.
		However, like high-pressure sodium lamps, mercury vapor lamps have longer lifetimes (16,000—24,000 hours) than metal halide lamps.
		Significant energy savings are also possible by replacing old mercury vapor lamps with newer high-pressure sodium lamps.
	www.daviddarling.info /encyclopedia/M/AE_mercury_vapor_lamp.html (151 words)

	Lighting Design Lab Articles - Mercury in Fluorescent Lamps
		When a voltage is applied, the electrodes energize the mercury vapor, causing it to emit ultraviolet (UV) energy.
		Without the mercury vapor to produce UV energy, there would be no light.
		For comparison, all of the lamps sold in the United States in 1999 containonly an estimated 13 tons of mercury, of which only a fraction will be released as an air emission.
	lightingdesignlab.com /articles/mercury_in_fl/mercurycfl.htm (456 words)

	My Long Road to Becoming Mercury Poisoned
		If you are exposed to mercury vapor while taking this medication or another medication that lowers your immune system, you are more likely to become mercury poisoned if you are exposed to mercury vapor in the dentist's office.
		If you go to the dentist and have mercury removed without a safe protocol, and you have been sick with the flu, or you have just had surgery, or you have just had a vaccine that has thimerosal (mercury) in it, then you are more liable to become mercury poisoned.
		Grinding the teeth does cause mercury to be released from fillings, but if he had told me I was tasting metal because I was being poisoned, then maybe I could have avoided the mercury vapor exposure that day that caused me to have the severe reaction I had.
	www.mercurypoisoned.com /new/road.html (2725 words)

	Mercury Vapor (Site not responding. Last check: 2007-11-03)
		Mercury is probably best known as the silver liquid in thermometers.
		Mercury and its compounds are widely distributed in the environment as a result of both natural and man-made activities.
		The utility, and the toxicity, of mercury have been known for centuries.
	www.mercuryvapor.com (83 words)

	IDEM - Mercury & Vapor Bulbs (Site not responding. Last check: 2007-11-03)
		Fluorescent and other mercury vapor bulbs are excellent environmental choices because they use up to 50 percent less electricity than incandescent bulbs.
		Mercury vapor, immediately released upon breakage, can contaminate the air we breathe.
		When a mercury vapor bulb burns out, carefully remove it from its fixture and store it in its original container or other box.
	www.in.gov /idem/your_environment/mercury/household/vaporbulbs.html (370 words)

	The Dangers of Mercury Vapor in Your Home (Site not responding. Last check: 2007-11-03)
		While the potential for mercury contamination in homes is significant, it is certainly no reason to panic.
		The concern is for long-term, chronic exposure to mercury vapor.
		Mercury vapor can be detected by using a passive sampler and subsequent laboratory analysis of the sampler.
	www.mercuryvapor.com /press_homevapor.htm (278 words)

	Mercury Vapor Analyzer (Site not responding. Last check: 2007-11-03)
		Mercury is absorbed into the body through three different routes.
		Mercury is also absorbed into the body through the skin.
		Exposure to high levels of elemental mercury vapor can result in nervous system damage including tingling sensations, muscle weakness, unsteady gait, tunnel vision, slurred speech, hearing loss, abnormal behavior, and personality alterations.
	www.asapstl.com /tek9.asp?pg=mercvapor (836 words)

	Reports of Mercury Poisoning Symptoms in Roanoke and Beyond
		Mercury messes up the thyroid, so gaining weight would be a symptom of mercury affecting the thyroid gland.
		People need to realize that it is a strong possiblity that the mercury is still in their brains since mercury is a bio-accumulative neurotoxin according to one government agency that controls exposure levels of mercury in the workplace.
		He is not a mercury free dentist, and she noticed a decline in her health right after he placed her last mercury filling.
	www.mercurypoisoned.com /roanoke_reports.html (4040 words)

	Mercury Vapor Heat & UV Lamps
		Mercury vapor lamps used for other applications have glass that does not permit the passage of much UV, making them useless in terms of using them in applications where UV is desired.
		What I have found is data on the hazards of mercury vapor lamps and UVR (ultraviolet radiation) in general.
		I would also suggest that anyone using any mercury vapor lamp product in their home or workplace read the safety tips in the excerpt from the article by the FDA; it is in the Mercury Vapor Lamp article at my site.
	www.anapsid.org /mercuryvapor.html (5086 words)

	Mercury Vapor Bulbs as UVB Source for Reptiles (Site not responding. Last check: 2007-11-03)
		Mercury Vapor bulbs have an arc tube that contains a minute amount of liquid mercury under pressure that vaporizes with an electrical charge.
		Strip lights contain low pressure mercury vapor which when iodized (electric current passed through it) emits UV light.
		For those that think that Mercury Vapor lamps are too much trouble, I ask "Why do you have an exotic creature in your house?" If easy is what one wants, I would suggest a gerbil or cat.
	www.geocities.com /thearkfiles/mercuryvaporbulbs.htm (1868 words)

	Mercury Vapor Monitor / Monitoring Badge - EMT
		They are designed to provide you with the ability to check exposure levels to Mercury Vapor.
		OSHA Permissible exposure limit (PEL) for mercury vapor is 0.1 milligram per cubic meter (mg/m(3)) of air as a ceiling limit.
		NIOSH Recommended exposure limit (REL) for mercury vapor of 0.05 mg/m(3) as a TWA for up to a 10-hour workday and a 40-hour workweek.
	www.emt-online.com /ProductPages/MercuryVapor.htm (189 words)

	The Typical Mercury Vapor Yard Light - darksky.org
		This cheap ($29.95 or less, usually) old fashioned fixture, used mostly as "dusk-to-dawn" lighting, is seen everywhere, and is particularly common as a "security light." It typifies most all the adverse effects of poor outdoor lighting: glare, light trespass, light pollution, and energy waste.
		Another factor with mercury lamps is the lumen depreciation of the lamp.
		A mercury lamp never really burns out, it just gets fainter and fainter, using the same amount of energy to produce less light.
	www.darksky.org /key/keymerc.html (1006 words)

	Reduce Reactive Mercury (Hg) Pollution; Mercury Vapor Scrubber; Air Scrubbers
		cost-effective means of reducing all forms of mercury in emissions.
		manageable form of mercury that can be disposed of as a non-hazardous waste.
		Tri-Mer developed the mercury vapor scrubber in cooperation with ADA Technologies, Inc.,
	www.tri-mer.com /reactive_mercury_Hg.html (309 words)

	Lamps i : Mercury Vapor Lamps (Site not responding. Last check: 2007-11-03)
		Mercury, an element that comes from both human-made and natural...
		Features basic information about Mercury, as well as its harmful effects andlegislation concerning Mercury in some American States.
		US Coast Guard provides list of US lights with detailed information on each, plusa glossary of lighthouse terms.
	www.lamps-i.com /mercuryvaporlamps/index.php (649 words)

	metal halide bulbs - most complete web resourse. visit now. (Site not responding. Last check: 2007-11-03)
		Metal halide lamps are similar to mercury vapor lamps, but instead of just mercury, Arc lamps
		The metal-halide bulbs are a variation of the mercury vapor bulbs.
		The color rendering of metal-halide bulbs is impressive, and they have high
	metal-halide-bulbs.soholap.com (304 words)

	Personal info for mikegotis
		and annilate sulfur and mercury vapor street light pollution
		A miniature mercury inclinometer improves walking on inclined surfaces.
		PBASIC Programming software is uploaded to BS2s with a portable Apple Macintosh iBook computer running OSX and MACBS2.
	robots.net /person/mikegotis (2149 words)

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