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Topic: Lead

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In the News (Tue 25 Jun 19)

  Lead (Pb) - Chemical properties, Health and Environmental effects
Lead is a major constituent of the lead-acid battery used extensively in car batteries.
Lead accumulates in the bodies of water organisms and soil organisms.
Lead is a particularly dangerous chemical, as it can accumulate in individual organisms, but also in entire food chains.
www.lenntech.com /Periodic-chart-elements/Pb-en.htm   (864 words)

  Lead Poisoning - NSC
The lead produced by vehicle emissions continues even today to present a hazard, as much of that lead now remains in soil where it was deposited over the years, especially near well-traveled roads and highways.
In other words, if a woman had been exposed to enough lead as a child for some of the lead to have been stored in her bones, the mere fact of pregnancy can trigger the release of that lead and can cause the fetus to be exposed.
Exposure to lead is estimated by measuring levels of lead in the blood (in micrograms of lead per deciliter of blood).
www.nsc.org /library/facts/lead.htm   (2958 words)

  Lead - Wikipedia, the free encyclopedia
Lead is used as a coloring element in ceramic glazes, notably in the colors red and yellow.
Lead is used for the ballast keel of sailboats.
Lead as a soil contaminant is a widespread issue, since lead may enter soil through (leaded) gasoline leaks from underground storage tanks or through a wastestream of lead paint or lead grindings from certain industrial operations.
en.wikipedia.org /wiki/Lead   (1513 words)

 Lead guitar - Wikipedia, the free encyclopedia
Lead guitar refers to a role within a popular music band, especially a rock band, that provides melody or melodic material, as opposed to the rhythm of the rhythm guitar, bass, and drums.
Fills occur during the pauses of the lead singer's parts between phrases or sections.
Almost any rock song has a lead piece (or break) or a section where the vocals give way to the guitar to take the main melody line of the song.
en.wikipedia.org /wiki/Lead_guitar   (359 words)

 Lead   (Site not responding. Last check: 2007-11-07)
White lead, the basic carbonate, sublimed white lead, chrome yellow, and other lead compounds are used extensively in paints, although in recent years the use of lead in paints has been drastically curtailed to eliminate or reduce health hazards.
Lead oxide is used in producing fine "crystal glass" and "flint glass" of a high index of refraction for achromatic lenses.
Lead salts such as lead arsenate have been used as insecticides, but their use in recent years has been practically eliminated in favor of less harmful organic compounds.
www.scescape.net /~woods/elements/lead.html   (385 words)

 Lead Hazard Prevention, Bureau of Remediation and Waste Management, Maine Department of Environmental Protection
Lead is potentially present in the environment of almost 80% of the housing in Maine.
Lead hazards are any condition that may cause exposure to lead from lead-contaminated dust, lead-contaminated soil, lead-contaminated water or lead-based paint that is in poor condition.
Lead inspections may be performed to comply with a licensing requirement, as requested prior to a real estate sale, as part of a lead poisoning investigation, or because an owner wants to learn where there is lead paint and lead hazards in a home.
www.maine.gov /dep/rwm/lead   (785 words)

 USGS Minerals Information: Lead
Lead is a very corrosion-resistant, dense, ductile, and malleable blue-gray metal that has been used for at least 5,000 years.
Prior to the early 1900's, uses of lead in the United States were primarily for ammunition, brass, burial vault liners, ceramic glazes, leaded glass and crystal, paints or other protective coatings, pewter, and water lines and pipes.
Contributing to the increase in demand for lead was the use of lead as radiation shielding in medical analysis and video display equipment and as an additive in gasoline.
minerals.usgs.gov /minerals/pubs/commodity/lead   (514 words)

 ATSDR - ToxFAQs™: Lead
Lead is a naturally occurring bluish-gray metal found in small amounts in the earth's crust.
Lead itself does not break down, but lead compounds are changed by sunlight, air, and water.
CDC considers a lead level of 10 µg/dL to be a level of concern for children.
www.atsdr.cdc.gov /tfacts13.html   (1224 words)

 Home | Lead
LEAD is an international not for profit organisation with a fast growing network of 1700 leaders in more than 80 countries.
LEAD is pleased to announce the appointment of three new Board Directors
As the world was preparing for the 1992 Earth Summit in Rio de Janeiro, LEAD was identifying an urgent need for a new generation of global leaders.
www.lead.org   (243 words)

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