ColorlessSilica dustAmorphousRespirable dustExposuresDustPhysicalYellowishPowderNIOSHAsbestosWhiteBaggieGreen leafy1013 hPaCristobaliteSurfacesOrganicBrittleSolidCompoundMeltsLensHazardous substanceHygroscopicInhalationToxicStructuresFormNounPredicted the existenceSyntheticLiquidTransparentFoundFormsNaturallyWorkersBloodWaterSpecificationsPropertiesHealthCellsSmallSearchMethodHardSampleEnvironment
Colorless2
Silica dust2
- 2 Crystalline silica has also been determined to be an occupational lung carcinogen 4,5 and there is evidence that inhaling respirable silica dust causes chronic obstructive pulmonary disease (COPD), chronic renal (kidney) disease and various autoimmune diseases. (cdc.gov)
- The pneumoconioses are a group of irreversible but preventable interstitial lung diseases, most commonly associated with inhalation of asbestos fibers, coal mine dust, or crystalline silica dust. (cdc.gov)
Amorphous3
- Boron has two allotropes in the form of amorphous and crystalline. (mis-asia.com)
- High-purity Amorphous Boron powder is a brown-colored powder that is highly reactive compared to its crystalline counterparts. (mis-asia.com)
- and both had crystalline and amorphous structures. (bvsalud.org)
Respirable dust1
- Breathing zone air samples were analyzed for quartz (14808607) and cristobalite (14464461) crystalline-silicas, total respirable dust, lead, zinc (7440666), iron (7439896), chromium (7440473), total hydrocarbons, and m- xylene (108383). (cdc.gov)
Exposures1
- Employee exposures to lead (7439921), solvents, and crystalline- silica (7631869) in the galvanizing department, fence post shop, and the casting foundry at CF and I Steel Corporation, Pueblo, Colorado, were evaluated on January 25 and 26, 1979. (cdc.gov)
Dust1
- Moving, transporting and refilling thousands of pounds of sand onto and through sand movers, along transfer belts, and into blenders generates considerable dust, including respirable crystalline silica, to which workers can be exposed. (cdc.gov)
Physical3
- Matter is physical substance that occupies space, has mass, is composed of atoms - or, in the case of subatomic particles, is part of an atom - and is convertible to energy. (encyclopedia.com)
- These are merely physical changes, which do not affect the basic composition of the substance itself: it is still water. (encyclopedia.com)
- Carbon is an element that has 'allotropes' - different crystalline forms that look different from each other and have different physical properties, and yet are made from the same kinds of atoms - carbon atoms. (answers.com)
Yellowish2
- The drug substance is a faintly yellowish to light yellow crystalline substance. (globalrph.com)
- This white to slight yellowish crystalline powder is very soluble in water, hygroscopic and has been widely used in industry and construction. (who.int)
Powder3
- Charcoal is a black powder that is not truly crystalline. (answers.com)
- Praziquantel is a white to nearly white crystalline powder of bitter taste. (rxlist.com)
- The compound is a white, crystalline powder commonly found in chocolate. (nutraingredients.com)
NIOSH5
- Two research articles focused on cardiovascular events and substance use were recently published using data from the NIOSH Fatalities in Oil and Gas (FOG) Database . (cdc.gov)
- Thirty nine percent of the breathing zone air samples for crystalline silica exceeded the NIOSH recommended standard of 0.05 milligrams per cubic meter (mg/m3). (cdc.gov)
- NIOSH concluded that a health hazard existed from overexposure to lead and crystalline-silica. (cdc.gov)
- Initial hazard assessments identified exposure to crystalline silica during hydraulic fracturing as the most significant known health hazard to workers and this has been the focus of the NIOSH study to date. (cdc.gov)
- NIOSH recently collected 116 air samples at 11 different hydraulic fracturing sites in five different states (AR, CO, ND, PA and TX) to evaluate worker exposure to crystalline silica. (cdc.gov)
Asbestos2
- Substances that can cause occupational lung disease include asbestos , crystalline silica, mold, and chemical fumes. (medicalnewstoday.com)
- the project currently focuses on exposure to asbestos, respirable crystalline silica, polycyclic aromatic hydrocarbons (PAHs), chromium, and nickel ( https://synergy.iarc.fr/ ). (who.int)
White5
- The substance is a white crystalline solid at 20 °C and 1013 hPa. (europa.eu)
- Naproxen is an odorless, white to off-white crystalline substance. (nih.gov)
- Basically, tartaric acid is a white crystalline organic acid . (herbs2000.com)
- The glass pipe contained a useable amount of a white crystalline substance. (samoanews.com)
- It is a white, or almost white, crystalline, water soluble substance having a molecular weight of 236.7. (nih.gov)
Baggie2
- During a body search of Anetone, police discovered a small baggie containing a green leafy substance in his right pocket. (samoanews.com)
- His bedroom was searched and detectives discovered paraphernalia on the bed and several cut up, empty straws and a stamp sized baggie, all containing crystalline substances. (samoanews.com)
Green leafy1
- Contraband found on Loe's person was paraphernalia, cut up straws with crystalline residue, a small black pouch and two joints containing green leafy substances. (samoanews.com)
1013 hPa1
- The substance is a crystalline solid at 20 °C and 1013 hPa (reference 4.1-1). (europa.eu)
Cristobalite1
- QYLURQPHQWDO FDUFLQRJHQV The IARC 0RQRJUDSKV on the evaluation of carcinogenic risks to humans published in 1997 conclude that PCDD ("dioxin") and crystalline silica inhaled in the form of quartz or cristobalite from occupational sources are carcinogenic to humans. (who.int)
Surfaces1
- Our aim is to control the interfacial behavior of lipid liquid crystalline nanoparticles (LCNPs) at surfaces to facilitate the exploitation of such systems for a number of potentially interesting uses, including preparation of functional surface coatings and uses as carriers of biologically active substances. (lu.se)
Organic2
- The acid characteristics of this organic substance is aldaric and diprotic. (herbs2000.com)
- IARC scientists coordinated several studies on the adverse health effect of exposure to styrene, man-made vitreous fibres, organic mercury compounds and substances affecting workers in the paper, wood, leather and asphalt industry and in biological research laboratories. (who.int)
Brittle1
- a hard, brittle, noncrystalline, more or less transparent substance produced by fusion, usually consisting of mutually dissolved silica and silicates that also contain soda and lime, as in the ordinary variety used for windows and bottles. (dictionary.com)
Solid5
- The substance was reported as a crystaline solid in an acute toxicity study (oral), the result is considered reliable. (europa.eu)
- it has a melting point of 40 - 43°C and a boiling point of 206 - 220°C. However, the substance is used in a non-solid form and is moisture sensitive. (europa.eu)
- Diamond is a clear colourless crystalline solid that, in its pure state forms crystals that resemble 2 Egyptian pyramids placed base to base. (answers.com)
- It's like a cross between a solid and a liquid with some of the crystalline order of a solid and some of the molecular randomness of a liquid. (explainthatstuff.com)
- In other words, while it flows like a liquid, it maintains the crystalline structure of a solid. (listverse.com)
Compound1
- But if water reacts with another substance to form a new compound, it has undergone chemical change. (encyclopedia.com)
Melts1
- The formation of crystalline substances from solutions or melts. (researchgate.net)
Lens1
- transparent: as, the hyaline or crystalline lens of the eye. (wordnik.com)
Hazardous substance2
- The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. (cdc.gov)
- Public Health Statement - Succinctly characterizes the toxicologic and adverse health effects information for a hazardous substance. (cdc.gov)
Hygroscopic1
- The active substance is hygroscopic. (rxlist.com)
Inhalation1
- Inhalation of fine dusts of respirable crystalline silica can cause silicosis. (cdc.gov)
Toxic2
- This refers to several respiratory issues that occur due to long-term exposure to irritating or toxic substances in a work environment. (medicalnewstoday.com)
- The small amounts of possibly toxic substances which can be found in urine largely seem to have a positive effect on the immune system. (curezone.com)
Structures1
- To correlate inhibitor dimensions with reactivity and explore whether in situ cycloaddition could be accelerated in a concentrated, crystalline template, we developed crystal-soaking procedures and solved structures of AChE complexes with the TZ2PA5 regioisomers and their TZ2/PA5 precursors (2.1-2.7 Å resolution). (nih.gov)
Form3
- Despite precursor binding to crystalline AChE, coupling of rapid electric field fluctuations in the gorge with proper alignments of the azide and alkyne reactants to form the triazole remains a likely limiting step. (nih.gov)
- An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement. (herts.ac.uk)
- Crystalline silica, in the form of sand ("frac sand"), plays a major role in the hydraulic fracturing process. (cdc.gov)
Noun3
- noun A glassy or transparent substance or surface. (wordnik.com)
- noun zoology, anatomy A clear translucent substance in tissues. (wordnik.com)
- noun Any substance having the appearance of ice. (wordnik.com)
Predicted the existence1
- For over 50 years, scientists have predicted the existence of a bizarre substance. (listverse.com)
Synthetic1
- Guthion is a synthetic substance, it does not occur too soon after spraying. (cdc.gov)
Liquid3
- The substance was reported as a liquid in an acute toxicity study report (oral), the result is considered reliable. (europa.eu)
- The substance was reported as a colourless to yellow liquid in flash point study report, the result is considered reliable. (europa.eu)
- The commercial material of the substance as supplied within the EU is as a liquid. (europa.eu)
Transparent2
- any artificial or natural noncrystalline and transparent hard substance, such as fused borax, obsidian, or the like. (dictionary.com)
- something made of a noncrystalline and transparent hard substance, such as a windowpane. (dictionary.com)
Found6
- The researchers Free and Free published a report listing two hundred substances found in urine. (curezone.com)
- Several substances found in urine seem to be of value as medication, some of which have already been processed and used as such. (curezone.com)
- The more individually effective substances found in urine, the stronger the argument that urine as a total entity has a therapeutic effect. (curezone.com)
- A condition of this argument is that urine as a total entity does not contain substances with an obviously harmful effect: as yet there is no evidence to suggest that such substances have been found in urine. (curezone.com)
- The search of the room yielded paraphernalia as well crystalline substances, found on Loe's bed. (samoanews.com)
- Found in Sitanilei's vehicle was a black pouch with four cut up straws, a black Fanny pack with an empty clear glass pipe, and two other pipes containing crystalline substances. (samoanews.com)
Forms3
- It forms a waxy substance. (wikipedia.org)
- Accordingly, the University takes very seriously its obligation to address the issue of all forms of substance abuse. (nyu.edu)
- This substance forms naturally during the wine making process. (herbs2000.com)
Naturally1
- This naturally occurring substance also possesses laxative properties. (herbs2000.com)
Workers1
- Additional research includes topics important to safety and health in the oil and gas extraction industry including lone workers, remote worksites, working in the outdoors, and substance use/misuse. (cdc.gov)
Blood1
- Thus, 1690, that an organ such as the thyroid secretin was the first hormone to be isolat- pours into the blood substances of physio- ed. (who.int)
Water1
- pl. n. a crystalline substance that is dissolved in bathwater to soften or perfume the water. (encyclopedia.com)
Specifications1
- Section 1.1.1-15 and S26 require certain substances to comply with relevant specifications. (legislation.gov.au)
Properties1
- The dynamic properties of crystalline materials are important for understanding their local environment or individual single-grain motions. (nature.com)
Health3
- This fact sheet is one in a series of summaries about hazardous substances and their health effects. (cdc.gov)
- New York University's policies on substance abuse and on alcoholic beverages are set out below, along with related information regarding University sanctions for violation of these policies, criminal sanctions for the illegal possession or distribution of drugs and alcohol, the health risks associated with drugs and alcohol, and places to obtain help concerning the use and abuse of alcohol and illicit drugs. (nyu.edu)
- If urine did contain extremely harmful substances, it would be difficult to explain how many people (myself included) who drink their own urine every day for years could still be in exceptionally good health. (curezone.com)
Cells1
- The pellucid substance, present in cells in process of development, from which, according to some embryologists, the cell nucleus originates. (wordnik.com)
Small1
- They are two in number: Psilocybin, a crystalline hallucinogenic substance and Psilocin which has only been isolated in small amounts. (erowid.org)
Search1
- At the same time, other detectives were detaining Memea and after apprehending him, a search of his person was executed, where paraphernalia containing crystalline substances was discovered. (samoanews.com)
Method1
- Notes of the history and present method of manufacture of this widely used substance. (gutenberg.org)
Hard1
- Silica gel - SiO2 - is a hard, adsorbent, crystalline substance and very porous. (newmars.com)
Sample2
- The degree of crystallinity of a sample can be determined from its DSC heating curve by calculating the enthalpy of fusion (Hm) and comparing it to the enthalpy of fusion of a 100% crystalline sample (Hm0). (researchgate.net)
- Nitrite was detected in a vomitus sample, the sugar substance and two leftover food samples. (who.int)
Environment1
- NYU is committed to creating and maintaining a campus environment that is free of alcohol and substance abuse. (nyu.edu)