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Topic: Inert


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In the News (Mon 8 Sep 08)

  
  Inert gas - Wikipedia, the free encyclopedia
Unlike the noble gases an inert gas is not necessarily elemental and are often molecular gases.
Because of their unreactivity, and perhaps their relative scarcity, the inert gases were not discovered until helium was discovered to exist in the Sun, where it is abundant, before it was discovered to exist in Earth's atmosphere.
The elemental inert gases are usually obtained by evaporating them off from condensed air at their respective vapor pressures.
en.wikipedia.org /wiki/Inert_gas   (559 words)

  
 Deaths Involving the Inadvertent Connection of Air-line Respirators to Inert Gas Supplies
Inert gases such as helium, argon, and nitrogen are widely used in industrial settings as fire suppression blankets for flammable work in confined spaces, to operate pneumatic equipment, and to prevent oxidation in industrial processes.
When a respirator’s air line is connected to a source of inert gas rather than to breathable air, the respirator wearer who trusts his/her sense of breathlessness to determine whether he/she is connected to breathing air has little warning before losing consciousness.
This is because the buildup of carbon dioxide, not a lack of oxygen, ordinarily causes the sensation of breathlessness that may alert the individual wearing the respirator.
www.osha.gov /dts/shib/shib042704.html   (1605 words)

  
 Inert - Wikipedia, the free encyclopedia
In chemistry, the term inert is used to describe something that is not chemically active.
The noble gases were described as being inert because they did not react with the other elements or themselves.
Now scientists know that the reason that inert gases are completely inert to basic chemical reactions (such as combustion), for example, is because their outer valence shell is completely filled with electrons.
en.wikipedia.org /wiki/Inert   (240 words)

  
 Inert Gas Welding
An inert gas surrounds the arc and shields it from the ambient to prevent oxidation.
Tungsten Inert Gas (TIG) Welding: An arc is truck between a tungsten electrode (non-consumable) and the sheet metal to be welded.
An inert gas shields the arc from the ambient to prevent oxidation.
www.efunda.com /processes/metal_processing/welding_inertgas.cfm   (732 words)

  
 PANNA: Global Pesticide Campaigner, Volume 8, Number 3, September 1998: Inert Ingredients in Pesticides.
No label disclosure was required for inerts on Lists 2, 3 or 4.7 In addition to the limited labeling requirements, EPA also began to require testing for various inerts; however, the proposal was flawed and inconsistent from the beginning.
For example, for new inerts, manufacturers are not required to submit data on the chemicals' ability to cause chronic toxicity, cancer or reproductive effects.8 EPA requires even less testing for potential hazards of the combination of active and inert ingredients, even though this is the chemical cocktail to which humans and the environment are exposed.
Of these "active inerts," approximately 250 are considered "Inerts of Unknown Toxicity." Ironically, when used as an active ingredient, the name of the chemical must be disclosed on the label and the chemical is subject to a full battery of tests to determine its toxicity.
www.panna.org /resources/pestis/PESTIS980925.2.html   (1578 words)

  
 WAC 173-350-410: Inert waste landfills.
In accordance with RCW 70.95.305, facilities with a total capacity of two hundred fifty cubic yards or less of inert wastes are categorically exempt from solid waste handling permitting and other requirements of this section, provided that the inert waste landfill is operated in compliance with the performance standards of WAC 173-350-040.
An owner or operator that does not comply with the performance standards of WAC 173-350-040 is required to obtain a permit from the jurisdictional health department, and may be subject to the penalty provisions of RCW 70.95.315.
There are no specific financial assurance requirements for inert waste landfills subject to this chapter; however, inert waste landfills must meet the requirements provided under WAC 173-350-040(5).
apps.leg.wa.gov /wac/default.aspx?cite=173-350-410   (1237 words)

  
 Extoxnet FAQs - Questions About What is in Pesticides - Inert Ingredients
The percent active ingredient(s) and inerts ingredient(s) is given on the label.
The term inert implies that a substance is non-toxic, but all inerts are toxic to some degree.
Once in the environment, the fate of inert ingredients is determined by their physical and chemical properties.
extoxnet.orst.edu /faqs/pesticide/pestiner.htm   (588 words)

  
 Inert Ingredients in Pesticide Products | Office of Pesticide Programs | US EPA
An inert ingredient means any substance (or group of structurally similar substances if designated by the Agency), other than an active ingredient, which is intentionally included in a pesticide product.
For example, inert ingredients may serve as a solvent, allowing the pesticide's active ingredient to penetrate a plant's outer surface.
In some instances, inert ingredients are added to extend the pesticide product's shelf-life or to protect the pesticide from degradation due to exposure to sunlight.
www.epa.gov /opprd001/inerts   (281 words)

  
 Inert Ingredients Explained (June 2004)
EPA categorizes "inert" ingredients into four groups: substances known to cause long-term health damage and harm the environment, chemicals suspected of damaging health or the environment, chemicals of unknown toxicity, and those of minimal concern.
The Petition further notes that "inert" ingredients are not necessarily safe or inactive, and that even EPA acknowledges some "inert" ingredients are currently, or have been, listed as the "active" ingredient in many pesticide products.
Only eight "inerts" out of approximately 2,300 "inert" ingredients are required to be listed on labels because EPA has determined them to be of "toxicological concern," despite the known and suspected toxicity that hundreds of additional "inerts" pose to public health.
www.townsendletter.com /June2004/environmental0604.htm   (1729 words)

  
 inert gas. The Columbia Encyclopedia, Sixth Edition. 2001-05
They are colorless, odorless, tasteless gases and were once believed to be entirely inert, i.e., forming no chemical compounds; however, some compounds of these elements have been produced, i.e., fluorides of krypton, xenon, and radon.
The low chemical activity of the inert gases is due to the fact that their outermost, or valence, electron shell is complete, containing two electrons in the case of helium and eight in the remaining cases.
The inert gases are sometimes called the rare gases, although argon is not rare (it makes up about 1% of the atmosphere) and helium is commercially extracted from natural gas and the atmosphere.
www.bartleby.com /65/in/inertgas.html   (205 words)

  
 [No title]
The Phase II C&D Waste and Inert Debris Disposal Regulations are thereby intended to provide a sufficient level of regulatory guidance and an appropriate level of regulatory oversight to operators of C&D waste and/or inert debris disposal operations and facilities.
Inert debris is defined as solid waste and recyclable materials that are source separated or separated for reuse, and do not contain hazardous waste or soluble pollutants at concentrations in excess of applicable water quality objectives.
Type B inert debris includes solid waste that is specifically determined to be inert, such as treated industrial wastes, and de-watered bentonite-based drilling mud, but excluding inert Type A debris.
www.ciwmb.ca.gov /agendas/mtgdocs/2003/09/00012448.doc   (7184 words)

  
 The Secret Hazards of Pesticides   (Site not responding. Last check: 2007-11-07)
Despite the health effects EPA associates with inerts, people do not know to which chemicals they may be exposed since inerts are not identified on the label.
Thus, the EPA does not necessarily know the identity of the inert ingredients in the pesticide products sold to the general public, and that situation may not be resolved for years to come.
Thus, the survey shows that inerts information is generally not available to the public; most companies continue to withhold the identity of inert ingredients under a claim of confidentiality.
www.oag.state.ny.us /environment/inerts96.html   (2770 words)

  
 Inert Gases
Also, be sure to see the Inert Gas Devices F.A.Q. It has been a dream of mine to share publicly the research I've been doing for the last eleven years.
Xenon, the most interesting of the inert gases, is supposed to have the property of being able to produce regeneration in the body.
With the inert gas Neon there is some beneficial effect by increasing energy to the Root Chakra, which seems to improve the immune system, helping to destroy some of these invading organisms.
hilarion.com /igd.html   (6361 words)

  
 Miniature, inert fluid system components
For moderate miniature liquid pumps chemical inertness and waste lines where particles may be present.
Inert and self-priming micro solenoid pump provide an excellent alternative to peristaltic dispensing pump and pressure controlled dispensing and metering applications.
is a manufacturer of high performance, inert plastic components for fluid transfer, used in laboratories around the world.
www.bio-chemvalve.com   (527 words)

  
 Companies Identifying Inert Ingredients in Pesticides
Inert ingredients are among pesticides' strongly held secrets.
Inert, when applied to pesticide ingredients, does not mean biologically, chemically, or toxicologically inert.
Despite their limited testing, of the almost 2300 chemicals3 that EPA believes are currently used as inert ingredients, over 600 (26 percent) have already been classified as hazardous by state, federal, and international agencies.(4) This includes chemicals listed under the Clean Air Act, the Clean Water Act, the Safe Drinking Water Act, and others.
www.safe2use.com /poisons-pesticides/inerts/cox-inerts.htm   (2344 words)

  
 Inert Gases FAQ
The inert gas "beam" is emitted from the now upward facing end, in a cone, with about a 20 degrees solid angle.
It has been observed that when an inert gas combination is stimulated with a magnet while someone sleeps near it, that sometimes that person is quite sensitive to the effect and has trouble sleeping, or wakes up feeling poorly rested ("grouchy").
This is because the emitted inert gas energy exits from all the conductive surfaces, including the copper foil.
hilarion.com /igdfaq.html   (4914 words)

  
 (2) Metal, Nonmetal, or Inert Gas
From the name of an element, determine whether it is a metal, a nonmetal or an inert gas.
The second objective says that from the name of an element you should be able to determine whether it is a metal, nonmetal or an inert gas.
The nonmetals will include the other elements up and to the right of that diagonal line and also hydrogen with the exception of the last group of elements on the periodic table, which are the inert gases.
dl.clackamas.cc.or.us /ch104-10/(2).htm   (212 words)

  
 EPA: Pesticides - Inert (other) Pesticide Ingredients in Pesticide Products - Categorized List of Inert (other) ...
For an inert ingredient to be included in a food-use pesticide product, a tolerance exemption must be established in the appropriate section of 40 CFR 180 subpart D. Categorized Lists - OPP published a policy statement on inert ingredients in 1987.
In 1989, List 4 "Inerts of Minimal Concern" was subdivided into List A and List 4B (see 54 FR 48314, Inert Ingredients in Pesticide Products; Policy Statement; Revision and Modification List (11/22/89)).
Many List 2 inert ingredients are structurally similar to chemicals known to be toxic; some have data suggesting a concern.
www.epa.gov /opprd001/inerts/lists.html   (758 words)

  
 EPA: Pesticides - Use of Term "Inert" in the Label Ingredients Statement
Effective immediately, the phrase "Inert ingredients," may be replaced by the term "Other ingredients." Although no registrant is required to make this change, EPA encourages registrants to do so.
Unless an inert ingredient is determined to be highly toxic, it is not required to be identified by name or percentage on the label, but the total percentage of such ingredients must be declared.
Most "inert" ingredients are not known to pose health or environmental concerns; however, EPA has long known and acknowledged that some inert ingredients are not benign to human health or the environment.
www.epa.gov /opppmsd1/PR_Notices/pr97-6.html   (823 words)

  
 Inert
Inert (a.) Destitute of the power of moving itself, or of active resistance to motion; as, matter is inert.
Inert (a.) Indisposed to move or act; very slow to act; sluggish; dull; inactive; indolent; lifeless.
Inert (a.) Not having or manifesting active properties; not affecting other substances when brought in contact with them; powerless for an expected or desired effect.
linkspider.serversystems.net /dictionary/lookup/inert   (127 words)

  
 Search Results for inert - Encyclopædia Britannica
An example is mannitol, an inert polysaccharide that acts purely by its osmotic effect.
There are only two carbides that are considered completely covalent; they are formed with the two elements that are most similar to carbon in size and electronegativity, boron (B) and silicon (Si).
The abundance distributions for several kinds of clusters show that there are certain sizes of clusters with exceptional stability, analogous to the exceptional stability of the atoms of the inert...
www.britannica.com /search?query=inert&submit=Find&source=MWTEXT   (307 words)

  
 INERT GAS THERAPY
One source of these powerful primary points is the nucleus of inert gas elements, i.e., helium, neon, argon, krypton, and xenon.
In the periodic table, the inert gases are a unique elemental family.
Although higher molecular weight elements tend to be liquids or solids, xenon and krypton, with molecular weights greater than iron, nickel, copper, and zinc, exist as gases.
www.healingtherapies.info /InertGas.htm   (2743 words)

  
 CHEC Articles: Inert Ingredients in Pesticides: Are They Really Benign?
Inert ingredients are present in virtually all pesticide products.
Inerts are all other ingredients used in pesticide products and are added to active ingredients to make the pesticide more potent or easier to use.
Inert ingredients are not inert in the usual sense of the word; often they are neither chemically, biologically, nor toxicologically inert.
www.checnet.org /healthehouse/education/articles-detail.asp?Main_ID=179   (524 words)

  
 Environmental Health Perspectives 103, Number 6, June 1995: Focus
Section 2m of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) states: "The term 'inert ingredient' means an ingredient which is not active." In actual practice, pesticide manufacturers decide what to call inert and what to designate as an active ingredient subject to EPA regulation.
Inert ingredients are low priority, accounting for under 1% of the Office of Pesticide Programs budget, as the EPA still has many older (pre-1972) active ingredients that need to be reregistered and evaluated for health effects under FIFRA.
It could also be just water." Though inerts are trade secrets protected by law from disclosure, it is widely believed that pesticide companies know their competitors' inert ingredients, as reverse engineering is relatively simple with today's technology.
ehp.niehs.nih.gov /docs/1995/103-6/focus.html   (4686 words)

  
 Chem4Kids.com: Elements & Periodic Table: Inert Gases
At the top of the inert gases is little helium (He) with a shell that is full with two electrons.
All of the elements in Group Zero are inert gases.
When going about their natural lives, you will never (never say never because there may be an exception) find the inert gases bonded with other elements.
www.chem4kids.com /files/elem_inertgas.html   (347 words)

  
 The MSDS HyperGlossary: Inert
An inert chemical substance is one that is not generally reactive.
Carbon dioxide is inert to many chemical reactions, but is incompatible (and can react violently) with alkali metals such as sodium and potassium.
Likewise, one may see the term "inert" used on pharmaceutical or pesticide labels to indicate components that are not active ingredients/components of the mixture.
www.ilpi.com /msds/ref/inert.html   (531 words)

  
 inert
As he was unaccustomed to walk in the streets of a city, he was shoved and knocked from one passer to another like an inert mass; and being embarrassed by the folds of his tunic, he was more than once on the point of falling.
Desirous of knowing where all these people could be going, he asked one of them the cause of this hurry.
For some time he remained there inert, staring, his brain refusing to work.
www.cooldictionary.com /words/inert.word   (416 words)

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