• A ccepted internationally as standard methods for safety testing, the Guidelines are used by professionals in industry, academia and government involved in the testing and assessment of chemicals (industrial chemicals, pesticides, personal care products, etc. (oecd.org)
  • Why Are Industrial Chemicals in Food Not Safety Tested? (livescience.com)
  • Some of the chemicals are very familiar to me, because they are also industrial chemicals or pesticides that I review every day in my oversight of U.S. Environmental Protection Agency (EPA) regulatory programs here at NRDC. (livescience.com)
  • If you are shocked to learn that industrial chemicals are routinely in the food you are feeding to your family, you will be even more shocked to read about a study published this week in the professional journal Reproductive Toxicology by researchers from the Pew Charitable Trusts - which funded the work - and the Environmental Management Institute. (livescience.com)
  • Accidents involving toxic industrial chemicals continue to be a significant potential source of exposure to those agents that were also used as chemical warfare agents. (medscape.com)
  • Resolving chemical contamination requires a rapid response. (intertek.com)
  • The state's investigation into contamination caused by the chemicals has grown exponentially since tainted milk was discovered at a Fairfield dairy farm in 2020. (sunjournal.com)
  • FAIRFIELD - State agencies investigating the growing prevalence of "forever chemicals" face a daunting task in the new year as they look to expand testing in a rising number of Maine towns and in animals that roam areas with known contamination. (sunjournal.com)
  • The investigation into the chemicals has grown exponentially in the last year, snowballing from a concern in isolated areas to a statewide priority that dives into the contamination of water, soil, animals and more. (sunjournal.com)
  • Experts trained in a rigorous sensory analysis process have been testing Gulf seafood for the presence of contaminants, and every seafood sample from reopened waters has passed sensory testing for contamination with oil and dispersant. (theind.com)
  • Gilroy Well Tested Positive For Perchlorate Contamination. (yourlawyer.com)
  • A private well off Holsclaw Road south of Gilman Road in Gilroy has tested positive for perchlorate contamination , leading water officials to believe the poisonous groundwater plume that has already tainted 419 wells between Morgan Hill and north Gilroy may be trickling further south. (yourlawyer.com)
  • The well owner, whose identity is being kept confidential by Santa Clara Valley Water District, ran a test in May that revealed a 4.7 parts per billion contamination level, less than 1 part per billion above the state's "action level" which triggers warning notices. (yourlawyer.com)
  • JUNEAU, Alaska (AP) - Residents of a Southeast Alaska city will be able to have their blood tested to detect possible chemical contamination. (kwhl.com)
  • Outbreaks of cholera, which occurs due to contaminated water, are common in the Region and available data show an upward trend.2,3 Foodborne zoonotic diseases and chemical contamination of food from pesticides and veterinary drug residues are also of concern. (who.int)
  • Turkey's state-run Anatolian news agency said earlier on Thursday that the country has sent eight experts to the border with Syria to test wounded victims of the country's civil war for traces of chemical and biological weapons. (ynetnews.com)
  • Researchers at the University of Toronto have developed a miniaturized chemical heater that can precisely heat biological samples during diagnostic tests, but does not require electricity or any specialized equipment to work. (medgadget.com)
  • Jingwei Xie and colleagues wanted to develop a nanofiber swab that could absorb and then release more viruses and other biological specimens, improving the sensitivity of diagnostic tests. (acs.org)
  • In addition to allowing more accurate and sensitive COVID-19 testing, the nanofiber swabs have far-reaching potential in diagnosing other diseases, testing for foodborne illnesses and helping forensic teams identify crime suspects from miniscule biological specimens, the researchers say. (acs.org)
  • The Association of Public Health Laboratories' Statement of Position is that the association "strongly opposes" the use of biological and chemical agent detection kits and devices for field testing "in the absence of performance standardization, field validation, and certified individuals trained in the application of these kits and devices [emphasis added]. (domesticpreparedness.com)
  • Threatening agents are biological organisms or chemicals that could cause harm to people's health. (cdc.gov)
  • Biological agents are detected in environmental samples and clinical specimens using specialized tests, including rapid DNA-based tests that yield results within hours. (cdc.gov)
  • These labs provide the infrastructure and capacity to respond to biological and chemical terrorism and other public health emergencies. (cdc.gov)
  • The materials that comprise this dataset encompass both the chemical and biological diversity of known chemical allergens and provide also examples of negative controls. (cdc.gov)
  • The mechanisms and processes in place to facilitate standardisation and validation studies require sustainable and realistic financial support to meet the needs of evolving chemicals regulations. (oecd.org)
  • Ensure your products meet the relevant regulations and protect customers from potential harm with chemical testing and analysis services from SGS. (sgs.com)
  • A commentary by Marion Nestle that accompanied the JAMA article highlights the presence of obvious conflicts of interest as one of the biggest problems with chemical food-additive regulations (or lack thereof). (livescience.com)
  • The complex compounds of our modern diet are analyzed in chemical testing labs in accordance to global and local regulations. (sigmaaldrich.com)
  • Furthermore, EU chemicals regulations require a very high level of evidence in order to identify certain chemical hazardous properties and to regulate them. (env-health.org)
  • Early detection and accurate identification are critical to enable effective treatment and to prevent additional exposures of chemical threats. (cdc.gov)
  • To address issues related to public health and chemical exposures, there is a need to better use the data already being collected, and to further broaden the information that is collected. (cdc.gov)
  • These efforts not only offer a better understanding of potential adverse health effects elicited by common household chemicals but further provide justification for biomonitoring saliva to assess risks associated with chemical exposures. (cdc.gov)
  • While understanding the pharmacokinetics of a single chemical is necessary, chemical mixtures are more reflective of the reality of everyday exposures. (cdc.gov)
  • PFAS are a group of manmade chemicals that were first created in the 1940s. (sunjournal.com)
  • PFAs, or perfluoroalkyl substances, are manmade chemicals found in products that keep food from sticking to cookware, make clothes and carpets stain-resistant and create firefighting foam, for example. (mountaintimes.info)
  • HPLC is ideal for chemical purity testing because it confirms a substance has no contaminants. (moravek.com)
  • Microbial and chemical contaminants are of concern. (who.int)
  • Chemical testing or chemical analysis is vital for regulatory compliance and to understand the quality and composition of chemical substances and materials that are used in products, industrial processes and manufacturing. (intertek.com)
  • Investigators were led to a Fairfield dairy farm in 2020 after a random sample of milk found elevated levels of the chemicals, known as PFAS, or per- and poly-fluoroalkyl substances. (sunjournal.com)
  • Mandatory qualification for the recruitment of chemical analysts in Punjab's chemical laboratories is not commensurate with the advancements in science and coming up of new subjects for analysing, specifically, cases under the Narcotic Drugs and Psychotropic Substances (NDPS) Act. (hindustantimes.com)
  • Chemical tests are also necessary to identify different chemical components within different materials, helping to identify any potential risks or hazardous substances within products, and also resistance to chemical agents. (dekra.nl)
  • We provide accredited testing services to enable you to demonstrate that your products do not contain unsafe levels of chemicals or any restricted substances. (dekra.nl)
  • Through our global network of laboratories, we offer safety testing and performance testing services focused on many different aspects of chemical substances. (dekra.nl)
  • In addition to RoHS, it is necessary for manufacturers and importers bringing products containing certain chemicals onto the EU market to provide proper documentation about those substances. (dekra.nl)
  • But tests can struggle to pick up IMPA in samples much older than a week or so, because it too breaks down into other substances. (warincontext.org)
  • To assess whether and how exposure to chemical substances can impact our health and the environment, European and national regulatory authorities rely on the results from several testing methods, including animal testing, when performing their safety assessment. (env-health.org)
  • This means that if we are to abide by our legal principles and to ensure people's and wildlife's protection, either more chemicals safety data urgently needs to be generated, or a majority of substances should be withdrawn market access. (env-health.org)
  • Efforts to measure exposure to chemicals by directly studying substances in human blood, urine, or other specimens are underway at CDC and other agencies. (cdc.gov)
  • I gave this a little bit of thought and kept coming up with chemicals that probably aren't particularly exciting or are many people's favorite chemicals. (acdlabs.com)
  • The CDC laboratory developed and performs the Rapid Toxic Screen (RTS), a series of tests that analyzes 150 chemical agents in people's blood and urine. (cdc.gov)
  • DLS scientists work with state and local officials to collect samples and transport them to CDC where testing can be done to assess people's exposure to chemical agents. (cdc.gov)
  • In November 2012, the Joint Meeting of the Chemicals Committee and Working Party on Chemicals, Pesticides and Biotechnology decided on a transition period of 18 months, between the Council Decision and the effective deletion, for Test Guidelines that have been updated or deleted. (oecd.org)
  • Scientists are already sampling hundreds of New Hampshire residents to screen for metals, pesticides, and chemicals including PFAS. (nhpr.org)
  • In one project, the lab will determine if people living near a Superfund site and other industrial sites in Berlin have higher levels of toxins including mercury, dioxins, and the chemical PFAS. (nhpr.org)
  • The test found Killington had 27.2 parts per trillion of PFAs, which is above the state limit of 20 ppt. (mountaintimes.info)
  • The school's water has been tested monthly with the outside firm Simon Operation Services for the past two years, but this was the first time KMS was required to test for PFAs under a new state law. (mountaintimes.info)
  • Bryan Redmond, the state's drinking water and groundwater protection division director, said about 590 water systems are required to test for PFAs under the act. (mountaintimes.info)
  • Gustavus PFAS Action Coalition Chair Kelly McLaughlin says she hopes for 40-65 participants in the collection and testing, which will be free to residents. (kwhl.com)
  • Feeding studies comprise the basic toxicology test - the first test a scientist would do to evaluate the safety of a chemical additive. (livescience.com)
  • It appears the FDA and the food industry were often making safety decisions by comparing one chemical to another rather than doing an actual toxicology study. (livescience.com)
  • The science of product testing and toxicology led to massive increases in product safety over the course of the 20th century. (acdlabs.com)
  • In this episode, we're going to be talking about the role of chemical predictions in toxicology and product testing. (acdlabs.com)
  • Registration, evaluation, authorization and restriction of chemicals. (tuv.com)
  • With the aim to accelerate the pace of chemical safety testing and assessment, reduce the use of laboratory animals and to better protect human health and the environment, the Working Party of the National Coordinators to the Test Guidelines Programme (WNT), supported by the OECD Chemicals and Biotechnology Committee, calls for urgent mobilisation of national and regional resources for the demonstration of reproducibility and reliability of methods developed in single laboratories. (oecd.org)
  • Under this system, laboratory test results related to the safety of chemicals that are generated in accordance with OECD Test Guidelines and OECD Principles of Good Laboratory Practices are accepted in all OECD countries and adherent countries for the purpose of safety assessment and other uses relating to the protection of human health and the environment. (oecd.org)
  • The Integrated Chemical Environment (ICE) provides tools and curated data centered around chemical safety assessment. (nih.gov)
  • 5.3 This practice is for the chemical resistance assessment of geotextiles and is written in parallel to similar standard practices for geomembranes, geogrids, geonets, and geopipes. (astm.org)
  • Important progress is currently being made in the development of in vitro and in silico tests, but they will not be fit to address the complexity of the assessment of adverse effects on organisms before a long time. (env-health.org)
  • We have performed a self-assessment (internal testing) of teokem.lu.se. (lu.se)
  • One of the issues is that diagnostic tests require samples and reagents to be heated to specific temperatures at different points during such assays. (medgadget.com)
  • Diagnostic Tests, chemicals, and posters. (who.int)
  • Several Test Guidelines have been published on 4 July 2023. (oecd.org)
  • With our global network of chemical testing laboratories you can rely on us to test for compliance against RoHS, REACH, VOC, eco testing to name but a few. (sgs.com)
  • Our international network of laboratories can conduct a series of chemical, mechanical or physical property tests to ensure the safety of your products and get them to market as quickly and safely as possible. (sgs.com)
  • Our network of more than 1,000 laboratories and offices in more than 100 countries, delivers innovative and bespoke Assurance, Testing, Inspection and Certification solutions for our customers' operations and supply chains. (intertek.com)
  • We carry out all kinds of chemical analyses in our laboratories - be it for clothes, children's toys, plastics or metals. (tuv.com)
  • The LRN laboratories possessing a chemical testing/validation capability already are reaching out to the nation's first responders, and to the health and medical communities in their own jurisdictions. (domesticpreparedness.com)
  • What are called the LRN-C (LRN Chemical) laboratories - which are headquartered at state public-health laboratories in cities across the nation - possess varying levels of capability. (domesticpreparedness.com)
  • LRN-C integrates 55 state and local public health laboratories that operate 24/7 to provide laboratory diagnostics and the surge capacity for chemical emergencies. (cdc.gov)
  • State and local public health laboratories that are LRN members perform these tests. (cdc.gov)
  • CDC has transferred the ricinine testing method to selected LRN laboratories. (cdc.gov)
  • These laboratories participate in proficiency testing three times per year for the ricinine testing method. (cdc.gov)
  • The Laboratory Response Network (LRN) is a national network of 150 local, state, and federal public health, food testing, veterinary diagnostic, and environmental testing laboratories. (cdc.gov)
  • Reference laboratories can perform tests that detect and confirm the presence of a threatening agent. (cdc.gov)
  • Reference laboratories are capable of obtaining test results that prompt federal, state, and local agencies to respond. (cdc.gov)
  • LRN reference laboratories that test for ricin in environmental samples are public health and partner laboratories with specialized procedures and test reagents provided by the LRN laboratories at CDC. (cdc.gov)
  • We can provide either standard tests, as defined in the standard methods published by ASTM or IP, or bespoke testing designed to address certain known risks, such as Search and Rescue Boat (SRB) testing on lifeboat fuel samples. (sgs.com)
  • DEKRA offers a wide range of chemical testing services across a number of different markets, with our chemical testing specialists ensuring that all users of our customers products are not exposed to any chemical safety risks. (dekra.nl)
  • But the two differ in their opinions as to whether pill testing should be introduced at music festivals this spring and summer to mitigate the risks associated with illicit drug use. (illawarramercury.com.au)
  • Although all Member States face the problem of assessing potential risks of chemicals in food, only a few national or regional scientific institutions can assess the relevant toxicological and related data. (who.int)
  • Processed foods, which so many Americans eat every day, typically contains industrial chemical additives to preserve, flavor, thicken or otherwise alter what people consume. (livescience.com)
  • And, under the outdated U.S. Food Additives Amendment of 1958, the FDA doesn't even have the authority to require testing if it has questions about a chemical. (livescience.com)
  • Also, industry can self-determine if its chemical food-additives are Generally Recognized As Safe (GRAS), and therefore free from the usual regulatory requirements for food additives. (livescience.com)
  • As relayed by ElephantJournal.com , using conventional cleaning and sanitary products and eating standard food items significantly increases levels of bisphenol-A (BPA), phthalates, and triclosan, not to mention hundreds or even thousands of other chemical additives, inside the body. (naturalnews.com)
  • Our trace chemical testing services include trace metals analysis and organic compounds with detection down to trace and ultra-trace ranges, even for complex sample matrices. (intertek.com)
  • Using a wide range of elemental analysis techniques, our scientists can identify and quantify the elemental composition of chemical samples and compounds. (intertek.com)
  • Doctors can separate and identify chemical compounds in patients. (moravek.com)
  • SGS is the world's leading inspection, verification, testing and certification company. (sgs.com)
  • C&EN is the weekly newsmagazine of the American Chemical Society, the world's largest scientific society. (acs.org)
  • We perform testing protocols according to standard methodologies (ISO, EN, BS, ASTM, DIN, etc.) and are experts in developing tailored analytical methods and performing method validation for specific testing applications. (intertek.com)
  • Thus, analytical testing in the food and beverage industry also extends to environmental testing (e.g., soil and water quality, air monitoring). (sigmaaldrich.com)
  • Analytical and instrumental methods for food and beverage analysis and quality control are implemented to test for safety, quality, and nutritional value. (sigmaaldrich.com)
  • Analytical method and sample preparation for Spectroquant® Sulfite Test. (sigmaaldrich.com)
  • Many of our lab facilities are ISO/IEC 17025-accredited, ensuring that we provide analytical testing to the highest laboratory standards. (sgs.com)
  • Episode 2 of the Analytical Wavelength explores the role of chemical prediction technology in reducing the need for animal testing. (acdlabs.com)
  • Of course this has been one of our major concerns because chemical weapons are a threat against humanity and a crime. (ynetnews.com)
  • DEKRA's chemical testing experts test the chemical aspects of a product and any applicable conditions under which these could pose a threat to users. (dekra.nl)
  • However, completely getting rid of animal tests for chemical safety assessments overnight would constitute a serious threat to our health as well as wildlife. (env-health.org)
  • CDC's Division of Laboratory Sciences (DLS) and National Biomonitoring Program (NBP) provide effective laboratory support for the public health response to chemical threat agents and threats involving selected toxins. (cdc.gov)
  • Chemical threat agents can be poisonous vapors, aerosols, liquids or solids that have toxic effects on people. (cdc.gov)
  • If federal law enforcement officers feel the threat is credible, or if a hospital or commercial laboratory cannot rule out the presence of a threatening agent, they transfer suspicious samples to a nearby Laboratory Response Network (LRN) facility or to the Centers for Disease Control and Prevention (CDC) where high-confidence tests can be performed to identify the threat agent. (cdc.gov)
  • Our analyses of chemicals and materials are used for manufacturing quality control, reverse engineering and failure investigations. (intertek.com)
  • Killington Mountain School is awaiting test results from a second water test after an initial test on Sept. 26 found elevated chemicals in the water supply. (mountaintimes.info)
  • Test reagents" are chemicals that react in specific ways to help determine whether an agent, such as ricin, is present. (cdc.gov)
  • Virus-infected samples (in triplicate unless otherwise noted) were treated according to the specific testing parameters and dialyzed or run over detergent-removal columns to remove inactivating reagents. (cdc.gov)
  • Tests on Syrian war casualties arriving in Turkey indicate chemical weapons have been used by Syrian forces, and further tests are being carried out to verify the evidence, Foreign Minister Ahmet Davutoglu said on Friday. (ynetnews.com)
  • Turkey confirmed last week that it had begun testing blood samples taken from Syrian casualties brought over its border for treatment to determine whether they were victims of chemical weapons. (ynetnews.com)
  • US State Secretary John Kerry said in an internet chat with citizens that the US has conclusive evidence that Syrian President Bashar Assad used chemical weapons against his countrymen. (ynetnews.com)
  • COLOGNE, Germany - If the Syrian government were to unleash chemical weapons against civilians as it takes the last rebel stronghold of Idlib, how should Germany respond? (defensenews.com)
  • The inquiry comes after Berlin abstained from participating in strikes against the Syrian government's chemical weapons arsenal in April, prompted by a government attack with chlorine gas on the rebel-held city of Douma. (defensenews.com)
  • Opponents of Syrian strikes fear the Merkel government could find a way around parliament in punishing Assad for any chemical weapons use - or even act first and ask forgiveness later. (defensenews.com)
  • On February 28, the Trump administration faced its first key test of Syria diplomacy at the United Nations when it co-sponsored a resolution calling for sanctions against Syrian government officials believed to be responsible for prior chemical weapons attacks. (undispatch.com)
  • Now, five weeks later, the Syrian government is once again believed to have used chemical weapons against its own citizens. (undispatch.com)
  • Our chemical composition analysis utilizes a combination of techniques that can cover a wide range of applications, and which determine chemical quality, identity, composition and impurities, with molecular structure elucidation and chemical structure confirmation provided by state of the art expertise. (intertek.com)
  • For the first time in more than 100 years, drug and dietary supplement manufacturers are updating the tests used to ensure that their products contain safe levels of metal impurities, and the stringent new requirements, instruments and costs are the topic of the cover story in the current edition of Chemical & Engineering News . (acs.org)
  • From the more than 1,500 tissue samples collected from across reopened Gulf waters, few showed any trace chemical residue, and those that did were well below harmful levels, according to NOAA. (theind.com)
  • The overwhelming majority of the seafood tested shows no detectable residue, and not one of the samples shows a residue level that would be harmful for humans. (theind.com)
  • Ann Thayer, C&EN senior correspondent, explains that in 1905, the nonprofit standards-setting U.S. Pharmacopeial Convention (USP) first introduced a method for checking medicines for arsenic, mercury and other heavy metals, which can be harmful to health. (acs.org)
  • We are exposed to a wide mix of potentially harmful chemicals on a daily basis. (env-health.org)
  • An in vitro system was employed to evaluate the chemical transport of a simultaneous dosing of 2,4-D and TCPy across a monolayer of serous-acinar cells cultured from the submaxillary saliva gland of Sprague-Dawley rats. (cdc.gov)
  • The findings trigger what could be a "very large, very expensive" remediation plan in which the district will have to conduct additional testing and ultimately clean up the chemicals, district Supt. Sandra Lyon said. (latimes.com)
  • We conduct comprehensive tests for household appliances according to various standards. (tuv.com)
  • however, ACS itself does not conduct chemical research. (acs.org)
  • The OECD also published the Initial Recommendations on Evaluation of Data from the Developmental Neurotoxicity (DNT) In Vitro Testing Battery and the Workshop Report on How to Prepare the Test Guidelines for Emerging Technologies . (oecd.org)
  • 1.4 Evaluation or interpretation of test data is beyond the scope of this practice. (astm.org)
  • It is anticipated that this will be of value to other investigators in the evaluation and calibration of novel approaches to skin-sensitization testing. (cdc.gov)
  • It is hoped that this dataset will accelerate the development, evaluation and eventual validation of new approaches to skin-sensitization testing. (cdc.gov)
  • The Committee's evaluation of chemicals in food is a continuing activity. (who.int)
  • Our test strip and paper products give you direct readings, a wide range of measurements, simple color matching and reproducible readings with immediate results. (grainger.com)
  • No matter what your testing needs, Grainger is your source for test strips that give you fast, dependable results. (grainger.com)
  • Preliminary PCB test results of air samples came back "well below" the EPA's public health guidelines for schools, according to a statement released by the district earlier this week. (latimes.com)
  • However, some people infected with SARS-CoV-2 receive false-negative test results, which might put their and others' health at risk. (acs.org)
  • When the test comes back, we'll deal with the results accordingly," Willis said, explaining water filtration devices may be necessary. (mountaintimes.info)
  • Can the results of chemical breath and blood testing be challenged? (experts123.com)
  • Ideally, scientists want the purest forms of chemicals to gather lab results, perform clinical trials, and produce medicine. (moravek.com)
  • Results of the Rapid Toxic Screen help identify which chemicals were used, who was exposed to the chemicals, and how much of a particular chemical their bodies absorbed. (cdc.gov)
  • Within 36 hours, up to 40 samples can be tested and results reported to decision makers. (cdc.gov)
  • Chemicals such as phosgene, cyanide, anhydrous ammonia, and chlorine are important precursors for manufacturing many products including plastics and agricultural products, and are widely and frequently transported. (medscape.com)
  • But the chemicals are connected to a variety of health problems in people, and they do not break down in the environment or in the body, which is why they have come to be known as forever chemicals. (sunjournal.com)
  • A new round of testing for "forever chemicals" in St. Mary's County, MD, found "no levels of concern" in oysters or in the waters of the Chesapeake Bay tributaries where the shellfish were growing, according to state environmental officials. (peer.org)
  • The state Department of Health and Human Services' Public Health Laboratory announced Monday it will use over $5 million from the U.S. Centers for Disease Control and Prevention to monitor residents' blood and urine samples after potential exposure to chemicals. (nhpr.org)
  • 5.2 The specification of test procedures in this practice is intended to serve as a guide for those wishing to compare or investigate the chemical resistance of a geotextile to a potentially harsh chemical environment. (astm.org)
  • Each standard is to be considered individually for the geosynthetic under investigation and collectively for all geosynthetics exposed to the potentially harsh chemical environment under consideration. (astm.org)
  • The lab later identified the powder as a toxic chemical that could potentially cause illness if inhaled or ingested. (domesticpreparedness.com)
  • Barium chloride tests for sulfates The Beilstein test tests for halides qualitatively The bead test tests for certain metals The Carius halogen method measures halides quantitatively. (wikipedia.org)
  • Backed by years of industry experience, we provide expert testing for a diverse range of materials including but not limited to polymers, plastics , metals , ceramics and paper . (intertek.com)
  • Testing for heavy metals in food and beverages? (sigmaaldrich.com)
  • Using this new, second test, in the Gulf scientists have tested 1,735 tissue samples including more than half of those collected to reopen Gulf of Mexico federal waters. (theind.com)
  • As of now, there are only two agencies in Punjab for analysing chemical or NDPS samples of thousands of cases pending in courts across the state and these agencies are reeling under pressure due to shortage of manpower. (hindustantimes.com)
  • The scope of this practice is limited to testing and reporting procedures for unexposed and exposed geotextile samples. (astm.org)
  • The team made dilutions of SARS-CoV-2 virus, swabbed the liquid samples and tested for viral RNA with RT-PCR. (acs.org)
  • The latest monthly report from CanTEST, the Canberra fixed testing site, shows that of the 24 samples expected to contain MDMA (ecstasy) - one of the more commonly used drugs at music festivals - only 20 actually contained the substance. (illawarramercury.com.au)
  • This is a brief outline of how laboratory testing is done on environmental samples or human clinical specimens that may contain ricin, a poisonous protein from the castor bean plant. (cdc.gov)
  • Time-resolved fluorescence immunoassay: In this test, the laboratory technicians use an antibody that binds to ricin to enable them to detect it in environmental samples. (cdc.gov)
  • Buffers AVL and RLT (Qiagen), TRIzol (Life Technologies), 10% neutral-buffered formalin (Leica Biosystems), paraformaldehyde (Electron Microscopy Science) and glutaraldehyde (Sigma Aldrich) were tested as supplied for RNA and fixation samples. (cdc.gov)
  • For those tests requiring dialysis, samples were dialyzed with a 10kDa molecular weight cutoff. (cdc.gov)
  • 500-fold exchange volumes over five changes and 32-48 hours, at 4oC over a stir plate, before samples were collected and used to infect for testing. (cdc.gov)
  • Positive and negative samples were included in every validation, subjected to the same mechanical treatments (e.g. dialysis, spin columns) as the test samples, and tested on 3 flasks of fresh cells each. (cdc.gov)
  • This suggests that exposure to chemical mixtures may influence measureable levels of herbicides/insecticides in saliva samples. (cdc.gov)
  • The mission of the LRN is to provide a nationwide coordinated laboratory response to bioterrorism, chemical terrorism, and other public health threats and emergencies. (domesticpreparedness.com)
  • CDC sponsored the creation of the Laboratory Response Network-Chemical (LRN-C), a national network for responding to chemical terrorism and other public health emergencies. (cdc.gov)
  • Doctors and first responders base the diagnosis of exposure to a chemical weapon on the person's symptoms. (msdmanuals.com)
  • Laboratory testing is not helpful to doctors as they make an initial diagnosis, but they usually monitor the oxygen level in the person's blood to help determine whether the person is deteriorating. (msdmanuals.com)
  • Find out more about microbiological testing services from SGS. (sgs.com)
  • This microbiological analysis test will take up to 6 working days to perfom. (uk-water-filters.co.uk)
  • Today, European and national regulatory authorities assess the safety of chemicals on the basis of a variety of information, including scientific literature as well as tests performed in vivo (on living organisms such as rodents, fish, amphibians), in vitro on isolated cells or tissues, and increasingly in silico (using computer models). (env-health.org)
  • Previous nationally representative data on human mercury urinary levels published in CDC's Third National Report on Human Exposure to Environmental Chemicals were used as reference levels to which levels in the children and staff were compared. (cdc.gov)
  • Synergistic activation of estrogen receptor with combinations of environmental chemicals. (cdc.gov)
  • The new test detects dioctyl sodium sulfosuccinate, known as DOSS, a major component of the dispersants used in the Gulf. (theind.com)
  • Five years later, the state plans to test for over 50 chemicals in another 400 participants to assess whether the state's outreach is helping to reduce exposure. (nhpr.org)
  • This is a dynamic space that brings key players together, including small businesses, to consolidate robust approaches to achieve relevant and reliable innovative methods for chemicals testing. (oecd.org)
  • Any SGS trade inspection nomination on oil, gas and chemical cargoes is always based on accepted core petroleum and petrochemical standards, such as UOP, GOST, API MPMS, ASTM, EN or IP test methods and specifications as set out by ISO, CEN or the various national and regional standards organizations. (sgs.com)
  • In the 21st century, we may be able to advance past animal testing with the help of computer modeling and advanced cell-based methods. (acdlabs.com)
  • 1.2 This practice describes test methods for measuring changes in planar dimensions, tensile properties, and other optional physical, mechanical, and hydraulic properties caused by immersion in test liquids which may be representative of anticipated end-use conditions. (astm.org)
  • 1954), "Corrosion by Agricultural Chemicals: CONSTRUCTIONAL MATERIALS AND FINISHES TESTED", Anti-Corrosion Methods and Materials , Vol. 1 No. 8, pp. 295-295. (emerald.com)
  • As long as alternative methods validated and accepted for regulatory use are not available, and without the full implementation of a precautionary approach, animal tests are the only viable way to assess whether or not a chemical is hazardous to our health or the environment. (env-health.org)
  • Why is animal testing still being used for chemical safety testing today, while alternative methods already exist and more are being developed? (env-health.org)
  • However, even with the significant animal welfare benefits provided by the LLNA, there is interest still in the development of non-animal test methods for skin sensitization. (cdc.gov)
  • Resolutions has been passed by the European Commission in 2003 and 2008 specifying, among other things, labelling, hygiene practices and chemical composition of inks used in tattooing and permanent make-up (PMA). (lu.se)
  • 1.1 This practice describes the procedures used for testing geotextiles for chemical resistance to liquids. (astm.org)
  • In lab tests, the porous nanofiber cylinders absorbed and released more proteins, cells, bacteria, DNA and viruses from liquids and surfaces than the cotton or flocked swabs commonly used for COVID-19 testing. (acs.org)
  • First, many chemicals were grandfathered into the system in the 1950's, and so they are in our food supply without information on their safety. (livescience.com)
  • Chemical analysis is a pre-requisite for safeguarding correct food labeling, as well as protection of consumers against adulteration, misbranding of food, and unsafe beverages. (sigmaaldrich.com)
  • Fortunately, increasingly sensitive tests are in place to ensure our food is safe. (sigmaaldrich.com)
  • Both oil and water resistant, the chemicals were used in a variety of products from food packaging to firefighting foam. (sunjournal.com)
  • We test and certify the quality and safety of products intended for food contact. (tuv.com)
  • The National Oceanic and Atmospheric Administration, working with the U.S. Food and Drug Administration, has developed a test they are now using to detect trace levels of chemicals - from dispersants used in the Deepwater Horizon-BP oil spill - in fish, oysters, crab and shrimp in the Gulf. (theind.com)
  • This new test should help strengthen consumer confidence in Gulf seafood,' said Margaret A. Hamburg, Ph.D., commissioner of the Food and Drug Administration. (theind.com)
  • On top of that, equipment and materials intended to come into contact with food must be subject to additional tests. (dekra.nl)
  • So-called food contact testing ensures the existing chemicals in food contact materials will not migrate into the food in a way that could endanger human health, change the composition of the food, or cause its taste and odor to deteriorate. (dekra.nl)
  • NaturalNews) A recent investigative report by NBC Dateline producer Andrea Canning has revealed some shocking new details about the pervasive nature of chemicals in both everyday consumer products and the general food supply. (naturalnews.com)
  • Knowing which chemicals are present in air, water, soil, dust, food, and elsewhere is an important step in determining to which chemicals people are exposed and how exposure might occur. (cdc.gov)
  • Preliminary testing at Malibu High School has uncovered toxic chemicals at levels that exceed regulatory limits, according to a statement released Friday by the Santa Monica-Malibu Unified School District. (latimes.com)
  • Test facilities that are contracted to work on part of a larger regulatory study should also usually be members of the compliance programme. (www.gov.uk)
  • There may be exceptional circumstances when a part of a regulatory study may need to be contracted out to a test facility that is not a member of the compliance programme. (www.gov.uk)
  • All stakeholders involved in chemical regulatory discussions share the long-term goal of moving away from animal testing. (env-health.org)
  • That is why non-animal approaches such as in vitro tests cannot be used on their own to meet regulatory definitions of certain endpoints. (env-health.org)
  • However, in vitro tests alone do not allow us to assess complex adverse effects that chemicals may have on an organism, for example, effects on the brain or the metabolism across generations. (env-health.org)
  • Fortunately, the responders had enough white powder left to send a sample to a public health laboratory for testing. (domesticpreparedness.com)
  • The same is true when it comes to testing, whether it's chemicals or pharmaceuticals. (acdlabs.com)
  • We have over 20 years of chemical testing and analysis experience, and we apply our Total Quality Assurance expertise to virtually any industry sector from specialty chemicals , nanomaterials , petrochemicals , dyes & detergents , automotive, agrichemical to pharmaceutical and consumer products. (intertek.com)
  • In chemistry, a chemical test is a qualitative or quantitative procedure designed to identify, quantify, or characterise a chemical compound or chemical group. (wikipedia.org)
  • Rather than just recruiting the persons as chemical analysts with basic qualification of MSc chemistry, justice Singh said the court was of the opinion that other qualifications, such as MSc in pharmacy, pharmacology, biotechnology or other advanced sciences which are presently developing, could be added as qualification so that persons equipped with required knowledge are available and a proper analysis could be carried out. (hindustantimes.com)
  • The Society is a global leader in promoting excellence in science education and providing access to chemistry-related information and research through its multiple research solutions, peer-reviewed journals, scientific conferences, eBooks and weekly news periodical Chemical & Engineering News . (acs.org)
  • The REACH regulation imposes strict restrictions on and obligations for the registration of hazardous chemicals. (dekra.nl)
  • Moreover, particularly hazardous chemicals require official authorization. (dekra.nl)
  • Chemical warfare agents (CWAs) comprise a diverse group of extremely hazardous materials. (medscape.com)
  • Convince your customers, authorities, and business partners of your products' chemical safety. (tuv.com)
  • After successful testing and certification by TÜV Rheinland LGA Products GmbH, the products can be awarded with a test mark. (tuv.com)
  • We test electrical and electronic devices according to the international standards applicable to your products. (tuv.com)
  • Product safety for pharmaceutical and chemical products is critical. (acdlabs.com)
  • Chemicals in products may be naturally present in raw materials or may have been added to create specific characteristics. (dekra.nl)
  • Tests are also used to help manufacturers accurately list all the components used to manufacture products, in order for the vendor to accurately declare this in any marketing material about the product. (dekra.nl)
  • As little as five years ago, most Americans were likely unaware of the existence of BPA, phthalates, or triclosan, let alone have any understanding of their pervasive use, even though these three chemicals are widely used in hand soaps, canned foods, cash register receipts, plastic containers, and many other products we are exposed to on a daily basis. (naturalnews.com)
  • Canning also observed that when she went off the chemical-containing products, her levels of all three chemicals dropped dramatically, only to return to high levels once she began using her former chemical-containing products. (naturalnews.com)
  • When Canning stuck to a diet of microwaved, canned foods, diet sodas, and other processed, chemical-laden items, as well as continued to use her typical cosmetic and cleaning products, her chemical levels skyrocketed. (naturalnews.com)
  • But when she cut these products out and instead ate only fresh, organic foods, and avoided her normal makeup and cleansing products, Canning tested very low for chemicals , illustrating the importance of avoiding major sources of chemical exposure whenever possible. (naturalnews.com)
  • Many manufacturers tout their products as the absolute best in the identification of unknown chemicals, but that assertion cannot be accepted without also considering under what conditions such statements hold true. (domesticpreparedness.com)
  • They also test the purity of products to ensure accurate ingredient lists and doses. (moravek.com)
  • Elevated levels of polychlorinated biphenyls, or PCBs, were discovered in caulking around window sills in about four of 20 tested areas, Lyon said. (latimes.com)
  • At a constant concentration of TCPy (200 microM), levels of protein bound to TCPy in cell culture media (Advanced DMEM:F12 supplemented with 2% fetal bovine serum) decreased as much as 52% with an increasing co-exposure to 2,4-D (0-2300 microM), indicating that these chemicals compete for common binding sites on proteins. (cdc.gov)
  • Which mechanical tests are necessary, and how often? (dekra.nl)
  • We provide advanced research and testing expertise, and operate under ISO 17025, Good Laboratory Practice (GLP), Good Manufacturing Practice (cGMP) and other recognized industry standards. (intertek.com)
  • 5.1 This practice provides a test procedure for determining the resistance of a geotextile with a liquid waste, leachate, or chemical. (astm.org)
  • SGS is your first port of call for testing and inspection services for the whole range of hydrocarbon and chemical gases. (sgs.com)
  • After the initial implementation inspection, a test facility can expect to be inspected every 12 to 30 months. (www.gov.uk)
  • Allowing industry to determine the safety of the chemicals it creates is a textbook example of the fox guarding the chicken coop. (livescience.com)
  • Moving toward species-relevant chemical safety assessments and away from animal testing requires access to reliable data to develop and build confidence in new approaches. (nih.gov)
  • We test your paints and coatings for pollutants and their emissions for certified safety. (tuv.com)
  • Nonetheless, to ensure consumers have total confidence in the safety of seafood being harvested from the Gulf, NOAA and FDA have added this second test for dispersant when considering reopening Gulf waters to fishing. (theind.com)
  • The rigorous testing we have done from the very beginning gives us confidence in the safety of seafood being brought to market from the Gulf,' said Jane Lubchenco, Ph.D., under secretary for commerce and NOAA administrator. (theind.com)
  • Product safety is critical in the chemical and pharmaceutical industries. (acdlabs.com)
  • We will talk to experts in the science of animal testing, and the use of QSAR in product safety. (acdlabs.com)
  • DEKRA offers a wide range of chemical testing services across a number of different markets, including automotive, industrial and medical, to ensure full compliance with all international chemical safety requirements. (dekra.nl)
  • As of today, using non-animal approaches such as in vitro tests on cells might be informative regarding certain elements of this definition, for instance to elucidate the endocrine mode of action of a chemical. (env-health.org)
  • Currently, the most sensitive test for COVID-19 involves using a long swab to collect a specimen from deep inside a patient's nose, and then using a method called reverse transcriptase-polymerase chain reaction (RT-PCR) to detect SARS-CoV-2 RNA. (acs.org)
  • When a reference laboratory receives an environmental sample suspected of containing ricin, the laboratory performs specific tests to detect the presence of the agent. (cdc.gov)
  • Such problems present a difficult dilemma for first responders with a need to know about the efficacy of field testing for unknown chemicals. (domesticpreparedness.com)
  • The Chemical Hazards Emergency Medical Management (CHEMM) portal sponsored by the US Department of Health & Human Services provides comprehensive information on chemical incident management, including specific information for first responders, hospital providers, and incident preparedness, as well as the general public . (medscape.com)
  • Understanding this challenge is fundamental in order to understand why we are currently not able to identify critical hazards, such as endocrine disruption, according to established scientific knowledge without animal tests. (env-health.org)
  • For instance, under the EU regulation on classification, labelling and packaging (CLP) regulation, the identification of hazards such as carcinogenicity, endocrine disruption, or reproductive toxicity includes the requirement for positive evidence coming from tests performed in vivo . (env-health.org)
  • ‌The OECD Guidelines for the Testing of Chemicals are a unique tool for assessing the potential effects of chemicals on human health and the environment. (oecd.org)
  • In recent years, the local lymph node assay (LLNA) has emerged as a practical option for assessing the skin-sensitization potential of chemicals. (cdc.gov)
  • Here, we provide a dataset of chemicals that have been tested in the LLNA and the activity of which correspond with what is known of their potential to cause skin sensitization in humans. (cdc.gov)
  • Certain locations around the country, such as government and U.S. Postal Service offices, use sensors to test for traces of threatening agents. (cdc.gov)
  • The specific chemicals that tests reveal are often the only solid proof that a nerve agent has been used, and what kind of chemical was unleashed. (warincontext.org)
  • Officials say the chemicals have been detected in Gustavus water supplies and the state has distributed drinking water to residents whose water tested above a specific threshold. (kwhl.com)
  • Antigen-specific for skin-sensitization testing. (cdc.gov)
  • This fact came as a surprise to Canning, who decided to test her own urine, as well as the urine of her daughters, as part of a segment on chemical exposure and persistence. (naturalnews.com)
  • OECD Test Guidelines are covered by the OECD Mutual Acceptance of Data (MAD) system . (oecd.org)
  • some of them support the development of OECD Test Guidelines (e.g. validation reports, guidance documents, detailed review papers). (oecd.org)
  • They are induced to migrate adopted recently, as Guideline 429, by the Organ- from the epidermis, via afferent lymphatics, to ization for Economic Cooperation and Devel- draining lymph nodes where they present antigen opment (OECD) (8) as a stand-alone test method to responsive T lymphocytes (2). (cdc.gov)