Slag is primarily used in the cement and construction industries, and largely in road construction. Not even a little bit. “However, slag may contain trace amounts of substances (such as hexavalent chromium) that are classified by IARC and NTP as carcinogens.compounds. Slag definition, the more or less completely fused and vitrified matter separated during the reduction of a metal from its ore. See more. This is no time to play fast and loose with the truth by shopping around for the least informative version of hazard data available worldwide. Slag is a byproduct of steel production and is similar in character to volcanic rocks such as basalt and granite. Really? The mill itself may release a modest amount of dust, but storing and moving the stuff around will certainly not be the “dust-free” operation the applicants want to portray. Slag Rock #57 (Commercial 57’s) is an aggregate used for Unconfined Fill, Base or Embankment. The slag on my driveway lasted for years and years, their is no smell but it is heavier than rock … When I first entered the online conversation about narcissistic personality disorder, I discovered that a number of slang terms were being used to describe narcissistic behaviors that I had never encountered in academic writing.. Removal of slag. The stories told about blast furnace slag by promoters of a proposed south Vallejo waterfront slag cement plant serve to illustrate both the quality of the information presented to the public, and the folly in thinking the environmental review process provides adequate protection. Toxic means negative, destructive, or ruinous. Please call for availability (843-559-5829) due to the shortage at this time. The potential suppliers that would provide Orcem raw materials are not identified in the project proposal, or any provision for testing batches of slag before import. However, it never called itself a GREEN business or Green Cement. Descubre Toxic Rock de House Music en Amazon Music. Slag does not contribute to strength or protection of metals after the welding process; it is waste material. The slag material would be stored in the open in forty foot high piles and will emit dust every times it’s scooped up and moved. Slag heap definition is - a large pile of material that is left when rocks that contain metal are heated to get the metal out. However, slag can be used as raw material for the other purposes. It is typically used to describe a person or environment that is unhealthy psychologically and sometimes, physically. Toxic elements, such as Zn 2+, Pb 2+, Cd 2+, and Cr 6+, could be effectively immobilized in NaOH, Na 2 CO 3, and sodium-silicate-activated slag cements. Each metal’s slag has a unique chemistry. By : Jeff Carlson/Vallejo We keep hearing that turning down the VMT/Orcem waterfront terminal and slag cement plant project would somehow be unfair to the applicants, or give Vallejo a reputation as unfriendly to business. The rock or mineral that holds the metal is called an ore. An ore is heated with chemicals until it melts and the pure metal separates out as a liquid. There is no assurance at all that future imports will be identical. It would ship in blast furnace slag and grind it into a very fine powder for use as a cement additive. For background info, please read : DOJ sends letter, states reports on Orcem/VMT project are misleading For more details, please read: Comments on the VMT/Orcem Revised Operational Alternative Air Quality and Health Risk Assessment   Please share ! Eventually, I deciphered their meanings. The U.S. Chemical Safety and Hazard Investigation Board looked at 140 safety data sheets for substances that produce combustible dusts, and found none that contained all the information the board said was needed to work with the material safely. Thallium is a rare metal that appears in highly toxic compounds consisting of rather strange combinations of elements. A few metals, such as gold, silver, and copper can be found in pure form as metal elements. Description: A ground powder made with an appropriate mill from a glassy granular material formed when molten iron blast furnace slag is rapidly chilled as by immersion in water.”, “Slag is a nonmetallic byproduct of the production from the production of iron. Slag is a waste product from the pyrometallurgical processing of various ores. The applicants have attempted to create the false impression that there are two very different kinds of blast furnace slag — iron and steel — and that Orcem’s iron slag is the “safe” kind. As a result of growing environmental awareness, iron and steel slag is highly regarded as a recycled material that can reduce impacts on the environment due … My father used to keep a beautiful blue and white swirled rock as the centerpiece of his aquarium decor. May cause cancer. The cement […], Slag Toxicity – Orcem tells you Slag is safe but that is a Lie, Attorney General’s Letter to COV questioning VMT/Orcem’s CEQA process, Port of Richmond – Diesel Fallout Cited as Hazard to Residents, Camden, New Jersey – a Tragic Case Study of a “GREEN” Cement Mill. But some recent research here at USGS might change slag’s poor public image. The hazardous impurities in the waste slag come primarily from the feedstock ore, regardless of the type of furnace, and iron blast furnace slag is the result of directly processing those ores. may be adversely affected by any airborne particulate matter exposure. Slag has a greater PSV (Polished Stone Value): i.e., greater resistance to wear. Today, iron and steel slag is used in many fields where its unique characteristics can be put to effective use. Escúchalo en streaming y sin anuncios o compra CDs y MP3s ahora en Amazon.es. Roads constructed using LD slag demonstrate reduced rutting. The effects of thallium exposure are even more peculiar, and include loss of hair, serious illness through skin contact and in many cases, death. Avoid breathing dust.”, And so on. In some countries, including Indonesia, steelmaking slag is categorized as hazardous and toxic waste. Slag glass gets its name from slag, or the byproduct of steel production. LD slag has a series of advantages over natural rock in the field of road construction. .What is slag? However, it never called itself a GREEN business or Green Cement. Industrial slag is toxic and it should not be used in a residential environment unless it is sealed beneath an impermeable barrier such as concrete or asphalt. It commonly tests positive for both lead and arsenic which are toxic metals that can leech into the surrounding environment. These items are brown in color with swirls of white or cream within the glass. Trace amounts of chemicals may be detected during chemical analysis. Individuals with lung disease (e.g. It is produced in large quantities during steel-making operations that use electric arc furnaces. scrape metal, iron ore,.. Orcem claims that absolutely none of the Orcem’s material or products are toxic. If this was really such a wonderful opportunity for Vallejo, there would be no need to hide critically important information and repeatedly mislead the public and our elected officials. Danger. Here are some quotes from the Ash Grove Corporation Safety Data for slag from iron production, for example. Here’s a sampling of quotes taken from the material safety data sheets of domestic producers of blast furnace slag — yes, that’s the slag from iron production: “Individuals with chronic respiratory disorders (i.e., asthma, chronic bronchitis,emphysema, etc.) Apparently nobody told them it is scientifically and physically impossible. One of the requested items: “Provide MSDS of the raw materials including the composition with any toxic contents.” The corporate office in Ireland responded with a single Material Safety Data Sheet for blast furnace slag from the marketing division that sells slag for Nippon Steel in Japan — one which lacks nearly all of the toxicology warnings of safety sheets from our domestic slag producers. It turns out that, although slag is most known for being what’s left when metals have been removed, slag itself might be good at removing some negative chemicals from the environment. When iron ore is smelted in that process, the remaining residue is a glass-like, often glossy material that takes on different colors depending on the minerals and elements present in the iron. In January of 2014 the regional air quality board asked for more information with regard to the application for a permit. For example, slag may contain trace amounts of titanium oxide, chromium compounds, sulfur compounds, and other trace NTP.”. The cement […], The Health Risk of SLAG – an Industrial Waste Product, http://www.youtube.com/watch?v=CA4vL0bFd18, Attorney General’s Letter to COV questioning VMT/Orcem’s CEQA process, Port of Richmond – Diesel Fallout Cited as Hazard to Residents, Camden, New Jersey – a Tragic Case Study of a “GREEN” Cement Mill. By : Jeff Carlson/Vallejo We keep hearing that turning down the VMT/Orcem waterfront terminal and slag cement plant project would somehow be unfair to the applicants, or give Vallejo a reputation as unfriendly to business. What is in it depends on what was the raw material used for the production of iron – e.g. Open SLAG Storage – SLAG is an Industrial Waste Product. Open SLAG Storage – SLAG is an Industrial Waste Product. It turns out it's a piece of slag glass from a very old iron blast furnace. Please share […], The St. Lawrence Cement Company in Camden, New Jersey is doing the same thing that ORCEM proposes to do in Vallejo. Abstract. Steel furnace slag would be called BOF or EAF slag, and is little different from Orcem’s blast furnace slag in composition — except that it’s likely cleaner, since the steel furnaces use refined iron from a blast furnace along with 10-20 percent steel scrap. Powered by Concerned Vallejo Citizens and Volunteers, Say No To Asthma and Cancer - Say No To Orcem and VMT. So what accounts for the stark differences in hazard assessment? The pattern of intentional misinformation surrounding this project stretches back to the early stages of the application process. It was hyped as a port project and major source of economic stimulus — when in reality port use at the site is not permissible under the Bay Plan, and the cargo category it claimed it would service disappeared from regional statistics as something even worthy of tracking. Orcem further says that it’s scientifically and physically impossible for iron slag to contain hexavalent chromium – a claim that is contradicted by the Material Safety Data Sheets (MSDSs) from other sources. Orcem uses blast furnace slag from the production of iron, which is not toxic.” Meanwhile, the Environmental Impact Report for the project revealed that more than 16 tons of fugitive dust in the dangerously small particle size of 10 microns or less would be released into south Vallejo’s air each year as the slag material is moved around and stored in massive open piles. More than two years ago the applicants assured our school board that: “Absolutely none … It would ship in blast furnace slag and grind it into a very fine powder for use as a cement additive. Slag heaps over years may evolve into complexly weathered zones, which are a challenging material for analyses as they contain phases from numerous sources and at different stages of weathering. Hexavalent chromium is the cancer-causing substance that Erin Brokovitch was fighting in Hinckley, and which contaminated a school yard in Davenport, California from a slag finishing mill. Todas las playeras, ropa y accesorios de tus bandas, películas, superhéroes y series favoritas. Stony waste matter separated from metals during the smelting or refining of ore.Common applications include road construction, asphalt, ready-mix concrete, cement, railways ballast, mining, filtration and agriculture. The applicants have informed the Bay Commission staff that the cement plant would account for much less than half of the project capacity, and that more industrial tenants would be needed down the road. TOXIC black slag has been found in public areas in Lake Macquarie, containing poisonous lead up to 30 times above recommended health levels, a Macquarie University report has found. Listen to the residents of Camden, NJ who are living with one of these plants in their neighborhood: http://www.youtube.com/watch?v=CA4vL0bFd18, Powered by Concerned Vallejo Citizens and Volunteers, Say No To Asthma and Cancer - Say No To Orcem and VMT. While the global MSDS formats have been brought into closer agreement, the U.S. standards require much better and more complete content information in order to protect workers and the public. Boiler slag (n.): melted coal ash. SLAG is an industrial waste product – there is no standards about the quality of it. For background info, please read : DOJ sends letter, states reports on Orcem/VMT project are misleading For more details, please read: Comments on the VMT/Orcem Revised Operational Alternative Air Quality and Health Risk Assessment   Please share ! bronchitis, emphysema, COPD, pulmonary disease) or sensitivity to hexavalent chromium can be aggravated by exposure. You have changed it's structure metallurgically, chemically, and physically. More than two years ago the applicants assured our school board that: “Absolutely none of Orcem’s materials or products are toxic. Based on over 150 published studies, this paper provides an overview of mineralogical and geochemical characteristics of different types of slag and their environmental consequences, particularly from the release of potentially toxic elements to water. Few ... Tennessee, covering hundreds of acres in toxic sludge. Other types of metal ores produce different colors of slag … Please share […], The St. Lawrence Cement Company in Camden, New Jersey is doing the same thing that ORCEM proposes to do in Vallejo. This is the result of its mineral composition. scrape metal, iron ore,.. Orcem claims that absolutely none of the Orcem’s material or products are toxic. What’s fair about locating heavy industry in residential neighborhoods — polluting their air and filling their streets with a daily […], Big rigs that rumble through North Richmond neighborhoods, freight trains that idle for hours on train tracks and in rail yards, and cargo ships delivering thousands of foreign cars to Richmond’s port are spewing so much diesel exhaust that nearby residents could face serious health problems Click on the picture to read more. The size is about that of a quarter (1 & ¼â€ X ¼â€) and is grayish black. I recently visited the brook where he found it and gathered a respectable amount of the same rocks. Orcem says that the iron slag they plan to use does not contain hexavalent chromium, unlike the steel slag that caused Davenport cement plant to shut down. Slag is the glass-like by-product left over after a desired metal has been separated (i.e., smelted) from its raw ore.Slag is usually a mixture of metal oxides and silicon dioxide.However, slags can contain metal sulfides and elemental metals. The slag is named according to the furnace in which it’s created, and you have to refine iron ore in a blast furnace in order to make steel. Their primary product is mineral wool, a kind of insulation made by melting stone and slag, then spinning it into insulation fibers and binding them with various chemicals including formaldehyde. Health Hazard 1 — Denotes possible chronic hazard if airborne dusts or fumes are generated. None. Removal of the slag is necessary for four reasons: ability to inspect the quality of the weld area; aesthetics, or visual appearance; if a second … What is in it depends on what was the raw material used for the production of iron – e.g. So how well do those corporate claims hold up under scrutiny — that tons of slag dust would not harm our school kids a quarter mile downwind? Adjective used to describe usually very negative person, that bitch about everything, spread unnecessary hate or just talk shit about others. This proposal emerged in a haze of questionable transactions surrounding the foreclosure sale of the property, and the revival and transfer of a lapsed lease with the City for public trust land. Slag tales – by Jeff Carlson    POSTED: 05/25/18, 3:00 AM PDT. Without the analysis suggested by John it will be impossible to know it's exact nature as to rather it is Hazardous or not. But Material Safety Data Sheets for GGBFS from around the world contradict the claim that none of the slag material is toxic. Oh, and don’t forget the sensitive riparian environment at the mouth of the Napa River: “Very Toxic to aquatic life with long lasting effects.”. “Avoid actions that cause dust to become airborne.”. Toxic people are unhappy with themselves and their current position in life, leading them to … See more. Over the life of the project, market conditions will likely dictate the slag supply sources. Steel slag can also be produced by smelting iron ore in a basic oxygen furnace. The AAC shows superior compatibility with toxic elements ( Sargent et al., 2014 ). The first pressed glass pieces that collectors refer to as "slag glass" were made in the 1890s, using the glass-like by-product of iron ore known as—you guessed it—slag. In 1963, a dam was built downstream of the mine. A second study examined 62 safety data sheets for common flammable liquids and again found every single data sheet to be inadequate in hazard assessment. Heavy metal definition, any metal with a specific gravity of 5.0 or greater, especially one that is toxic to organisms, as lead, mercury, copper, and cadmium. The hazardous impurities in the waste slag come primarily from the feedstock ore, regardless of the type of furnace, and iron blast furnace slag is the result of directly processing those ores. Parsons has measured relatively high proportions by weight of a number of toxic elements in the Penn Mine slag: zinc levels as high as 28 percent, copper levels up to 6 percent, lead levels to 11 percent, cadmium levels to 1.4 percent, and arsenic levels approaching 1 percent. Andrew, and John, It will be important to remember that after being processed with the plasma the slag is no longer just a remnant of the steel as far as using it's MSDS. Steel slag is an industrial byproduct obtained from the steel manufacturing industry. They're white with varying hues of blue glass swirled in and stunning to look at. Really? There has never been any real confusion surrounding these fake facts, other than what the applicants have tried to stir up. Keith: In my opinion slag is much better than lime stone, especially grade 8. There has been no environmental review of the activities of these future industrial tenants or even any indication given to the public that more heavy industry would follow with approval of this project. You can meet these people in any online game comunity and they are the main coin of online gaming. This thick, greasy metal is similar in atomic mass but even more deadly. What’s at stake here is the health and quality of life for some of our most vulnerable residents — our children, the sick, and the elderly. But even here the hazard information in any one safety sheet is almost certain to be fragmentary. In early 2014, a spill released more than 30,000 tons of coal ash into North Carolina’s Dan River. Slag cement is commonly found in ready-mixed concrete, precast concrete, masonry, soil cement and high temperature resistant building products. The liquid then cools and hardens. “Material Name: Ground Granulated Blast Furnace Slag (GGBS/GGBFS, or Slag Powder) While there are many applications and benefits of slag cement, a few are highlighted below and detailed information sheets are located here. Trade Name: DURA SLAG™ The consequences: less wear and longer road lifetimes. 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