PDF | On Oct 1, 2017, Michael Casper Herbst published Fact Sheet on Volatile Organic Compounds | Find, read and cite all the research you need on ResearchGate
Exposure to TDI and related compounds is well known to result in skin and lung sensitization among workers and has been documented to cause asthma, lung damage, and in severe cases, fatal reactions. While the majority of polyurethane products containing TDI and related compounds undergo "curing" (hardening) prior to reaching …
For a comprehensive list of chemical agent information, see Chemicals A-Z. Last Reviewed: March 3, 2023. Source: National Center for Environmental Health. Learn …
The Synergist, pp. 26 - 29. Original version 12/2018, Revised 1/2019, 3/2019, 3/2021 Note: For the purpose of this Fact Sheet, the term "disposable nitrile gloves" refers to gloves that are one-time use and have a thickness of 5-mil and less. Examples are given in the tables at the end of the fact sheet. Nitrile is a synthetic …
Fact Sheet. Chemistry is the science that studies matter, the stuff of which all things are made. Chemists study the composition, structure, properties, and reactions of …
Chemical Factsheets. Per- and Polyfluorinated Substances (PFAS) Factsheet. The per-and polyfluoroalkyl substances (PFAS) are a group of chemicals used to make …
Technical Fact Sheet – Perchlorate. White crystalline solid or colorless liquid. Both naturally occurring and man-made. Sampling at current federal sites as well as Formerly Used Defense Sites detected perchlorate primarily in association with sites historically involved in the manufacture, maintenance, use, and disposal of ammunition and ...
This fact sheet, the fifth in a series highlighting these dangerous drugs, is an examination of nitazenes, a group of ... Nitazenes are considered to be powerful opioids, with some nitazene compounds being 10 times stronger than fentanyl. Naloxone is effective in reversing nitazene-involved overdoses, but multiple doses of naloxone are often
The 2022 interim Health Advisories for PFOA and PFOS will continue to remain available as EPA finalizes a national primary drinking water regulation for those contaminants. On June 15, 2022, EPA released four drinking water health advisories for per- and polyfluoroalkyl substances (PFAS). In releasing these drinking water health advisories, EPA ...
General Information. Communications Toolkit. EPA has developed this toolkit of materials for entities that need to communicate about PFAS. General Fact Sheet: …
Revision 6/2019 The Fact Sheet below gives hazard information and precautions for working with perchloric acid; however, this information is provided as a supplement to the following SOPs, which also must be read and understood by anyone planning to work with this chemical. The requirements in Penn's Chemical Hygiene Plan …
This fact sheet uses three conventions worth highlighting: • Anionic form of chemical names: Many PFAS can exist in various ionic states (for example, acids, anions, cations), which has important implications for their chemical and physical properties. In most cases, this fact sheet uses the anionic form of a given PFAS name, as this is the state
Arsenic is highly toxic in its inorganic form. Contaminated water used for drinking, food preparation and irrigation of food crops poses the greatest threat to public health from arsenic. Long-term exposure to arsenic from drinking-water and food can cause cancer and skin lesions. It has also been associated with cardiovascular disease …
Fact Sheet Overview On December 19, 2019, EPA issued Interim Recommendations for Addressing Groundwater Contaminated with that can be used at sites under federal cleanup programs. Federal agencies and states have asked EPA to provide guidance on this issue, and EPA is following through on its commitment. It is important to note that
forming volatile organic compounds a year. • As EPA takes comment on and finalizes this rule, the Agency will continue to take short-term action where needed to address imminent and substantial endangerments in communities. EPA is committed to using all of its tools to reduce risk to historically underserved and overburdened …
The fact sheets should be used as one of many information sources for understanding a pollutant's human health hazard potential. In the case of listed compound categories, one or more representative compounds have …
NCEH/ATSDR is working with various partners to better understand how exposure to PFAS might affect people's health— especially how exposure to PFAS in water and food may be harmful. Although more research is needed, some studies in people have shown that certain PFAS may: • affect growth, learning, and behavior of infants and older children.
This is a fact sheet intended for health professionals. For a general overview, see our consumer fact sheet.. Introduction. Vitamin A is the name of a group of fat-soluble retinoids, primarily retinol and retinyl esters [1,2].Vitamin A is involved in immune function, cellular communication, growth and development, and male and reproduction []. ...
This fact sheet provides a summary of the Development Support Document (DSD) created by the TCEQ Toxicology Division (TD) for the development of Regulatory Guidelines (ESLs, AMCVs ... chromium compound list for this DSD excludes chromic acid mist, which is the subject of another DSD. FACT SHEET Hexavalent Chromium
PFAS (per- and polyfluoroalkyl substances) are man-made chemicals that have been used since the 1950s. The substances have widespread application in …
Dioxins are a group of synthetic organic chemicals that contain 210 structurally related individual chlorinated dibenzo-p-dioxins (CDDs) and chlorinated dibenzofurans (CDFs). For the purposes of this fact sheet, the term "dioxins" will refer to the aggregate of all CDDs and CDFs. These chemically related compounds vary in their physical and ...
synthetic compounds that are used for various products, such as firefighting s, cookware, flame retardants, and stain protectors and removers1,2. PFAS are made up of compounds arranged in long or short chains or in branches3. ... Fact Sheet Issue : 1 Volume : 4 Year : 2021. 2 Figure 1. PFAS have been introduced into the environment by ...
Technical Fact Sheet: Human Health Toxicity Assessment for GenX Chemicals (pdf) (219.5 KB, October 2021) Final Human Health Toxicity Values for Hexafluoropropylene Oxide (HFPO) Dimer Acid and Its Ammonium Salt (CASRN 1 and CASRN 6) Also Known As "GenX Chemicals" (pdf) (18.9 , October …
Fact Sheet DECEMBER 2, 2023 – The U.S. Environmental Protection Agency (EPA) has announced a . final rule that will sharply reduce emissions of methane and other harmful air pollution from oil and natural gas operations. The rule includes standards to reduce methane and volatile organic compounds (VOCs) from new, modified, and …
like sheets. Pieces are then broken off, placed in pipes or mixed with tobacco and placed in pipes or cigarettes, and smoked. The main sources of hashish are the Middle East, North Africa, Pakistan, and Afghanistan. Hashish oil (hash oil, liquid hash, cannabis oil) is produced by extracting the cannabinoids from the plant material with a solvent.
Epigenomics Fact Sheet. ... The epigenome is a multitude of chemical compounds that can tell the genome what to do. The human genome is the complete assembly of DNA (deoxyribonucleic acid)-about 3 billion base pairs - that makes each individual unique. DNA holds the instructions for building the proteins that carry out a …
It is approximately 100 times more potent than morphine and 50 times more potent than heroin as an analgesic. WHAT IS ITS ORIGIN? Fentanyl was first developed in 1959 and introduced in the 1960s as an intravenous anesthetic. It is legally manufactured and distributed in the United States. Licit fentanyl pharmaceutical products are diverted via ...
Chromium Compounds Hazard Summary Chromium occurs in the environment primarily in two valence states, trivalent chromium (Cr III) and hexavalent chromium (Cr VI). Exposure may occur from natural or industrial sources of chromium. Chromium III is much less toxic than chromium (VI). The respiratory tract is also the major target organ for
chemical compounds created in a laboratory. Since 2009, law enforcement has encountered hundreds of different synthetic cannabinoids that are being sold as "legal" alternatives to marijuana. These products are being abused for their psychoactive properties and are packaged without information as to their health and safety risks.
Polycyclic aromatic hydrocarbons (PAHs) are a class of chemicals that occur naturally in coal, crude oil, and gasoline. They result from burning coal, oil, gas, wood, garbage, and …
The per-and polyfluoroalkyl substances (PFAS) are a group of chemicals used to make fluoropolymer coatings and products that resist heat, oil, stains, grease, and water. Fluoropolymer coatings can be in a variety of products. These include clothing, furniture, adhesives, food packaging, heat-resistant non-stick cooking surfaces, and the ...
The rule reduces the PEL for beryllium to 0.2 micrograms per cubic meter of air (μg/ m3) averaged over 8 hours, and establishes a short-term exposure limit (STEL) for beryllium of 2.0 μg/m3 over a 15-minute sampling period. Employers must use engineering and work practice controls to prevent excessive beryllium from becoming airborne where ...
What are PFAS? Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a large group of man-made chemicals that have been used in industry and consumer products …
act Seet. Fact Sheet: Volatile Organic Compounds (VOCs) Volatile Organic Compounds (VOCs) are a category of chemicals including benzene, trichlo- roethylene (TCE), tetrachloroethylene (PERC), vinyl chloride, and styrene. Sources: Paints, solvents, wood preservatives, aerosol sprays, cleansers and disinfectants, air fresheners, stored fuels …
Marijuana refers to the dried leaves, flowers, stems, and seeds from the Cannabis sativa or Cannabis indica plant. The plant contains the mind-altering chemical THC and other related compounds. People use marijuana by smoking, eating, drinking, or inhaling it. Smoking and vaping THC-rich extracts from the marijuana plant (a practice …
Quaternary Ammonium Compounds (sometimes called 'quats' or 'QACs')are a category of human-made chemicals. They have a variety of uses,including controlling bacteria, viruses, and other germs on surfaces. Thisfact sheet will refer to quaternary ammonium compounds as quats. For a …
This fact sheet provides a summary of the Development Support Document (DSD) created by the TCEQ Toxicology Division (TD) for the development of Regulatory Guidelines (ESLs, AMCVs ... FACT SHEET Cadmium and Cadmium Compounds Various CAS Numbers (Please see the cadmium development support document for a list of applicable …
Download the Fact Sheet. Fact Sheet 2: Nickel & Nickel Compounds Carcinogenicity. This is the second in a series of fact sheets addressing issues specific to the evaluation of risks to humans associated with nickel-containing substances and materials. The fact sheets are intended to assist the reader in understanding the complex issues and ...
1,4-Dioxane is a synthetic industrial chemical that is completely miscible in water (EPA 2006). Synonyms include dioxane, dioxan, p-dioxane, diethylene dioxide, diethylene oxide, diethylene ether, and glycol ethylene ether (Mohr 2001). 1,4-Dioxane is unstable at elevated temperatures and pressures and is potentially explosive if exposed to ...