Fact Sheet: Toluene Diisocyanate (TDI) and Related Compounds
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 …
Fact Sheet: Volatile Organic Compounds (VOCs)
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 …
Quaternary Ammonium Compounds ADBAC and DDAC Fact …
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 …
Chemical Fact Sheets
For a comprehensive list of chemical agent information, see Chemicals A-Z. Last Reviewed: March 3, 2023. Source: National Center for Environmental Health. Learn …
Per- and Polyfluoroalkyl Substances (PFAS) Fact Sheets
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
Air Pollution Control Technology Fact Sheet
Typical thermal incinerator design efficiencies range from 98 to 99.99% and above, depending on system requirements and characteristics of the contaminated stream (EPA, 1992; EPA, 1996a). The typical design conditions needed to meet 98% or greater control or a 20 parts per million by volume (ppmv) compound exit concentration are: 870°C (1600 ...
FACT SHEET EPA'S Proposal to Reduce Toxic Air …
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 …
Technical Fact Sheet – 1,4-Dioxane
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 ...
Epigenomics Fact Sheet
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 …
NOVEL PSYCHOACTIVE SUBSTANCES: NITAZENES …
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
Per- and Polyfluoroalkyl Substances (PFAS) | US EPA
Find state contacts and discover research, data, and tools related to EPA's understanding of PFAS. Contact Us to ask a question, provide feedback, or report a problem. Basic information about PFOA, PFOS and other PFAS/PFCs; how people are exposed; health effects; laws and regs that apply; and what EPA and states are doing to …
Compounds Facts
Compounds Facts. A chemical compound, made up of two or more different chemical elements, is a pure substance that can be put through various chemical reactions in order to separate its components. They have unique chemical structures based upon their parts, and their atoms are held together by chemical bonds.
Chromium Compounds
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
About the Health Effects Fact Sheets | US EPA
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 …
Drug Fact Sheet: Marijuana/Cannabis
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.
What are quaternary ammonium compounds or quats?
National Pesticide Information Center 1.800.858.7378 4 Quaternary Ammonium Compounds ADBAC and DDAC FACT SHEET Quats can be irritating or corrosive to eye tissue depending on the concentration.2,3,5 • People who got products containing quats in their eyes have reported irritation, burning, pain, and swelling.6 • …
FACT SHEET Cadmium and Cadmium Compounds
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 …
Protecting Workers from Exposure to Beryllium and …
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 ...
Volatile Organic Compounds Fact Sheet
Volatile Organic Compounds (VOCs) are certain organic chemicals in solid or liquid state that can, because of their volatile chemical state, be emitted as gases. Products containing these organic chemicals may be sources of airborne VOC emissions. Many common products contain organic chemicals that emit VOCs. Because VOCs react …
This fact sheet answers frequently asked health …
WTC Volatile Organic Compounds Fact Sheet Were volatile organic compounds released into the environment after the collapse of the World Trade Center? VOCs were released into the air from the fires at the World Trade Center due to the evaporation of fumes from burning paint, plastics, furniture, papers, carpeting and jet fuel.
Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
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 …
Fact Sheet: Disposable Nitrile Gloves in Chemical Labs
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 …
Per- and Polyfluorinated Substances (PFAS) Factsheet
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 ...
Polycyclic Aromatic Hydrocarbons (PAHs) Factsheet
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 …
Fact Sheet
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 ...
Cannabis (Marijuana) DrugFacts | National Institute on Drug …
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 …
Fact Sheet: Perchloric Acid | PennEHRS
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 …
Epigenomics Fact Sheet
What is the epigenome? The epigenome is a multitude of chemical compounds that can tell the genome what to do. The human genome is the complete …
PFAS Explained | US EPA
Basic Information about Perfluorooctanoic Acid (PFOA), Perfluorooctyl Sulfonate (PFOS) and Other Perfluorinated Chemicals (PFCs) including how people …
Fact Sheet
from Natural Gas Production Flares: Fact Sheet Review of emissions factor for natural gas production On February 5, 2018, the U.S. Environmental Protection Agency (EPA) completed its review of the emissions factor for volatile organic compounds (VOC) for flares at natural gas production sites under section 130 of the Clean Air Act.