The goal of this Phase I research project is to establish the feasibility of a regenerable chemical sensor for in situ detection of halogenated hydrocarbons (HHCs) in water. The technology is expected to generate a device for rapid field tests related to spills and accidents. HHCs, such as trichloroethylene (TCE), have been widely used for degreasing operations and as dry cleaning agents. They are among the most frequent contaminants of water, air, and soil across the United States. Both epidemiological and toxicological data implicate HHCs as carcinogens. The U.S. Environmental Protection Agency (EPA) mandated maximum allowable concentration of TCE in drinking water is 5 parts per billion. Fujiwara reaction is the only known reaction for detecting HHCs spectrophotometrically in the visible region. This reaction is irreversible, nonspecific, and it requires a fresh supply of reagent for each measurement. Additionally, liquid pyridine used in the Fujiwara reaction is a toxic, offensive-smelling ...
A major concern during manned spaceflight is the quality of the cabin atmosphere. In particular, the crew could be endangered by the uncontrolled accumulation of gaseous trace contaminants arising, for example, from off-gassing (from structural materials, electronic equipment or materials used in experiments, etc.), from system failures (leaks, equipment over-heating, fires, etc.), or from the crew itself (metabolic products). To ensure a safe atmosphere at all times, these trace gases need to be monitored and controlled so that they remain below certain safe limits. These limits are known as SMAC Spacecraft Maximum Allowable Concentration values and have been defined as a result of medical considerations, previous space-flight experience and analogous terrestrial experiences such as in submarines and during saturation diving. SMAC values vary considerably according to the chemical compound considered but, within a normal atmosphere, they are typically measured in parts per million (ppm) or even ...
We investigated the working conditions of a dry-cleaning shop where they had previously used trichloro-ethylene but after the renovation of the shop they now use tetrachloro-ethylene instead and obtained the followlng results. 1. The concentration of tetrachloro-ethylene in the air at the time, when washers were open, was found to be 200-250ppm, surpassing the maximum allowable concentration and the average concentration in the air was, however, 25-30ppm, showing a distinct decrease as compared with the concentration of 420ppm near the washers at the time when they had used trichloroethylene. 2. There could be detected Fujiwaras substance in the urine of employees and assuming the substance to be trichloroacetic acid, it was found in the quantity of 14.5mg/l, which, compared with 416mg/l of trichloro-acetic acid, detectable at the time when they had used trichloro-ethylene, was clearly less. It is assumed that one of the factors bringing about such a decrease, is due to the inhalation of lesser ...
Follow these links to learn more:. SUNsational Facts Get the important facts about sun light, sun damage, and skin cancer. Tips For Sun Protection Learn how you can protect yourself from the sun.. The Skin - Our barrier to the sun. Sunlight and Ultraviolet Radiation - UVC, UVB, and UVA radiation. Sun Protection Factor (SPF) Rating System and UV-B Protection - A numeric scale quantifying the degree of sun protection. In vivo Sunscreen Testing - A Phototesting human subjects for water resistance. Critical Wavelength and Broad-Spectrum UV Protection - Why this little known concept is important for broad spectrum coverage. FDA and Sunscreen Labeling - Includes an update on the latest FDA requirements for labeling. FDA Sunscreen Final Monograph Ingredients - Allowable ingredients and maximum allowable concentrations. Photostability and its Affect on UV Protection - Sunscreen stability is important for efficacy. Skin Sensitivity to Sunscreens - Not as common as you might think. Know What You Are ...
A method was developed and tested to identify and measure volatile components generated from sweet-potato bread as it baked for the purpose of determining if hazardous chemicals identified by the National Space and Aeronautical Agency (NASA)s maximum allowable concentrations list (SMACs) were present. A 14.5kL enclosed chamber made of polyethylene and polyvinylchloride was constructed to mimic conditions of a small enclosed food preparation space on board a NASA spacecraft. Volatiles generated from sweet-potato bread as it baked in a portable bread machine inside the enclosed chamber were extracted by thermal desorption tubes containing polydimethylsiloxane foam plugs and a portable pump. Tubes were thermally desorbed and components were analyzed by gas chromatography-mass spectrometry. Results indicated sweet-potato bread baked in a portable bread machine produced compounds identified as potentially hazardous including aliphatic alkanes, saturated C3-C8 aldehydes, ethanol, limonene, and furan ...
Occupational exposure limit monograph for Fingolimod. Affordable occupational exposure limits (OEL) for pharmaceuticals with instant download.
One factor Id like to touch upon first is the fact that autism rates in Europe have remained pretty steady over the last decade. This coincides with the fact that in more than 60 countries around the world, including Australia, Japan, and all of the countries in the European Union, there are significant restrictions or complete bans on the production and sale of GMOs and the pesticides that go with them. In the United States, government agencies have approved massive amounts of pesticides, completely ignoring the fact that they are linked to numerous health ailments. Not long ago, the Environmental Protection Agency (EPA) recently raised the allowable concentrations of Monsantos glyphosate, also known as "Roundup" on food crops, edible oils and animal feed (you can read more about that here). Although we dont know for sure, its important to at least consider the large increase in Genetically Modified Organism (GMOs) and the massive amount of chemicals (pesticides and herbicides) that are ...
NIDA Resource Center for Health Services Research DRUG ABUSE TREATMENT NEEDS ASSESSMENT METHODOLOGIES A Review of the Literature June, 1997 Hyperlinks to sections within this text: Barry S. Brown, Ph.D.
The FDA has deemed PGPR to be generally recognized as safe for human consumption,[1] and the Joint FAO/WHO Expert Committee on Food Additives (JECFA) has also deemed it safe.[3] Both of these organisations set the acceptable daily intake at 7.5 milligrams per kilogram of body weight. In Europe, PGPR is allowed in chocolate up to a level of 0.5%.[3] Short-term studies on rats and chickens showed reversible liver enlargement as a result of higher doses of PGPR, which were deemed a result of increased hepatic (liver) workload alone.[10] In a 1998 review funded by Unilever of safety evaluations from the late 1950s and early 1960s, "PGPR was found to be 98% digested by rats and utilized as a source of energy superior to starch and nearly equivalent to peanut oil."[11] Additionally, no evidence was found of interference with normal fat metabolism, nor with growth, reproduction, and maintenance of tissue. Overall, it did not "constitute a human health hazard".[11] ...
Cellulose gum complies with the requirements of the U.S. Code of Federal Regulations, Title 21 section 182.1745, "Substances Generally Recognized as Safe" (GRAS) for use in foods and meets the monograph requirements set forth in the Food Chemicals Codex, current edition. Cellulose gum also conforms to the purity criteria of E466 as mentioned in the Annex of EC directive 2008/84/EC and amendments. An ADI (acceptable daily intake) of "not specified" has been allocated by the Scientific Committee of the EU and the Joint FAO/WHO Expert Committee on Food Additives.. ...
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Keeping up with Occupational Exposure Limits can be tough - especially if your organization is expanding into new geographies. Learn how you can simplify OEL management with a centralized system.
ECHA to provide recommendations for occupational exposure limits ECHA/PR/19/02   The European Commission and ECHA have signed an agreement for the Agency to provide...
Active pharmaceutical ingredients, Do I need an occupational exposure limit for them? Contact Affygility Solutions and find out!
We are reviewing the Workplace exposure standards for airborne contaminants to ensure they are based on the highest quality, contemporary evidence and supported by a rigorous, scientific approach.. The draft evaluation reports for each chemical will be available for public comment. Chemicals will be released alphabetically throughout 2019 and 2020. Public comment will be open for each release for a period of four weeks on Engage.. The chemical release groups and the anticipated dates for opening public comment are outlined below. Please note these dates are indicative only. For the latest information please continue to visit Engage.. ...
A) Where any employee is exposed to lead above the permissible exposure limit for more than 30 days per year, the employer shall implement engineering, work practice, and administrative controls to reduce and maintain employee exposure to lead except to the extent that the employer can demonstrate that such controls are not feasible. Where engineering, work practice, and administrative controls which can be instituted are not sufficient to reduce employee exposure to or below the permissible exposure limit, they shall nonetheless be used by the employer to reduce exposures to the lowest feasible level.Small non-ferrous foundries (fewer than 20 employees), however, are only required to achieve 75µg/M3 by such controls ...
Festool is a premium German brand of professional tools and power tools for carpentry, building, construction, automotive repair, concreting and other trade industry. We produce high quality, robust, safe and high precision products that meet your toughest demands. Our products ranges from screwdriving, drilling, cutting, sawing, joining, sanding, polishing, dust extraction and grinding.
ABLIS helps you find the government licences, permits, approvals, registrations, codes of practice, standards and guidelines you need to know about to meet your compliance responsibilities.
ABLIS helps you find the government licences, permits, approvals, registrations, codes of practice, standards and guidelines you need to know about to meet your compliance responsibilities.
The evidence for underlying mechanisms of respiratory injury from exposure to secondhand smoke suggests that a safe level of exposure may not exist, thus implying that any exposure carries some risk. For infants, children, and adults with asthma or with more sensitive respiratory systems, even very brief exposures to secondhand smoke can trigger intense bronchopulmonary responses that could be life threatening in the most susceptible individuals. This is clearly speculative ("suggests...may") and it only applies to people who are extremely susceptible. Specifically, he seems to be referring to chronic asthmatics but there is no definition of what "very brief exposures" are. It does not seem to be referring to tiny drift in mult-unit apartments. Ultimately, no safe level means that no safe level has been detected with accuracy; it does not mean that exposure at any level is dangerous. Although the more accurate phrase that is used by some anti-tobacco lobby groups doesnt necessarly spell ...
There is no safe level for drinking alcohol. The ideal situation is to not drink at all. Dr Lars Møller, Programme Manager, Alcohol and Illicit Drugs at WHO/Europe, dispels some misconceptions about the so-called safe level of drinking in a question and answer (Q&A) session.
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If enough oxygen and blood cannot reach your heart, you may suffer chest pains. If the safe level is well below the norm then why...
Chromium toxicity refers to the fact that chromium is toxic. Water-insoluble chromium(III) compounds and chromium metal are not considered a health hazard, while the toxicity and carcinogenic properties of chromium(VI) have been known for a long time. An investigation into hexavalent chromium release into drinking water was the basis of the true story of Erin Brockovich, dramatised as Erin Brockovich (film). Because of the specific transport mechanisms, only limited amounts of chromium(III) enter the cells. Several in vitro studies indicated that high concentrations of chromium(III) in the cell can lead to DNA damage. Acute oral toxicity ranges between 1900 and 3300 µg/kg. The proposed beneficial effects of chromium(III) and its use in dietary supplements yielded some controversial results, but recent reviews suggest that moderate uptake of chromium(III) through dietary supplements poses no risk. The World Health Organization-recommended maximum allowable concentration in drinking water for ...
The Occupational Safety and Health Administration (OSHA) has maintained that "there is no safe level of asbestos exposure for any type of asbestos fiber," but despite these warnings, asbestos is still legal and still used in the United States. Different government agencies have their own rules and regulations for asbestos control to maintain exposure levels in the workplace and the environment. Those who work directly with asbestos consistently have a higher chance of contracting an asbestos-related disease than those who do not. Regulations and guidelines have been installed to keep the level of asbestos exposure at a minimum and are necessary among those who are in danger of being exposed in the work place.. Permissible Exposure Limit (PEL) ...
Community resilience is a complex, multi-dimensional problem that relies on engineering, social sciences, earth sciences, and other disciplines to improve the way communities prepare for, resist, respond to, and recover from disruptive events, whether those events are due to natural or human-caused hazards. This project will develop tools and metrics for communities to measure resilience at the community-scale. The assessment methodology needs to employ a a complex systems perspective in order to make linkages between social and physical systems. Additionally, the methodology needs to address resilience over time on order to provide useful information to inform an understanding of the factors influencing recovery following a disruptive hazard event. The goal of this research is to develop a simplified, science-based community resilience assessment methodology that can be applied to communities of any size for the purpose of assessing baseline resilience and changes in resilience over time. The
At their March 2010 meeting, the Board of Directors ("BOD") approved a new occupational exposure limit ("OEL") review and adoption procedure. Under the new procedure, WorkSafeBC will now review and stakeholders will be consulted on potential implementation issues prior to the adoption of the annual new or revised ACGIH TLVs. This new procedure will be implemented for the annual new or revised ACGIH TLVs that will be published in April 2010. Under the former procedure, the annual American Conference of Governmental Industrial Hygienists ("ACGIH") Threshold Limit Values ("TLVs") were adopted as BC OELs prior to a review of implementation issues and stakeholder consultation. This created issues with the implementation of the new limits. Implementation issues include the practicability of implementation (i.e. can industry meet these limits) or technical feasibility of implementation (i.e. is there a validated sampling method to measure at these new limits).. While the BOD approved the new procedure, ...
The listed calls for evidence concerning occupational exposure limits have already taken place and have now been closed. These calls were held to allow parties concerned to comment and to help ECHAs Risk Assessment Committee in developing an opinion on scientific evaluation of occupational exposure limit(s).. The substances or chemical agents are listed in the table below together with information on the subject.. ...
A letter report issued by the Government Accountability Office with an abstract that begins Three of the nine selected agencies risk assessment methodologies that GAO reviewed-the Department of Energy (DOE), the Department of Justice (DOJ), and the Department of State (State)-fully align with the Interagency Security Committees (ISC) risk assessment standards, but six do not-the Department of the Interior (DOI), the Department of Veterans Affairs (VA), the Federal Protective Service (FPS), the Federal Emergency Management Agency (FEMA), the Nuclear Regulatory Commission (NRC), and the Office of Personnel Management (OPM). As a result, these six agencies may not have a complete understanding of the risks facing approximately 52,000 federal facilities and may be less able to allocate security resources cost-effectively at the individual facility level or across the agencies facility portfolios. ISCs The Risk Management Process for Federal Facilities ( RMP ) standard requires that agencies facility
ETHYLMETHYLPHENYLGLYCIDATE Explanation Ethylmethylphenylglycidate (EMPG) was first evaluated for acceptable daily intake by the Joint FAO/WHO Expert Committee on Food Additives in 1967 and 1974 (see Annex I, Refs. 14 and 34). A toxicological monograph was issued in 1968 (see Annex I, Ref. 15). Since the previous evaluation additional data have become available and are summarized and discussed in the following monograph. The previously published monograph has been expanded and is reproduced in its entirety below. BIOLOGICAL DATA BIOCHEMICAL ASPECTS In vitro experiments using simulated gastric juice showed over 80% cleavage of the epoxy linkage after one hour; with intestinal fluid some 70% of the epoxy linkage was destroyed in three hours. Ester hydrolysis occurred to only a minor degree (Oser, 1967). TOXICOLOGICAL STUDIES Special studies on carcinogenicity See under long-term studies. Acute toxicity LD50 Animal Route (mg/kg bw) Reference Rat Oral 5 470 Jenner et al., 1964 Guinea-pig Oral 4 050 ...
Scientific studies were included in the application, though FSANZ will be looking into a wider range of material. The European Food Safety Authority recently supported a submission for a plant sterol-based health claim from Unilever, saying, "Plant sterols have been shown to lower/reduce blood cholesterol. Blood cholesterol lowering may reduce the risk of coronary heart disease." FSANZ stated one of its concerns that consumers may exceed the Acceptable Daily Intake, created by the Joint FAO/WHO Expert Committee on Food Additives, by consuming multiple products that contain phytosterol esters.. Currently, phytosterol esters from vegetable oils and non-esterified phyotsterols-derived from a tall-oil source-are permitted in oils spreads and margarines in Australia. And since November 2006, phytosterol esters have been permitted in breakfast cereals, low-fat milk and low-fat yogurt. Non-esterified phtosterols from vegetable oil have not yet been accepted.. ...
These products are not regulated by Health Canada because they are considered food ingredients, not additives. However, Health Canada has approved the use of stevia extracts, leaves and powders in some Natural Health Products (NHPs) as a medicinal and non-medicinal ingredient. Natural Health Products (NHPs) that contain stevia extracts, leaves or powders as a medicinal ingredient in amounts higher than the Acceptable Daily Intake may be unsafe for some people. Always talk to your doctor, dietitian or healthcare provider about any NHPs that you are taking or thinking about taking.. ...
The Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (AFC) published today an opinion on the safety of using parabens (additives E 214-219) in foods. The Panel concluded that a group ADI (Acceptable Daily Intake) of 0-10 mg/kg body weight per day could now be established for methyl and ethyl parabens and their sodium salts.
SO2 is one of my favorite winemaking ingredients, because it serves a dual purpose in a wine solution. It is antioxidative, and it also inhibits the growth of microorganisms. As an antioxidant, it works to block oxidative reations-- that is, the sorts of reactions that make your wine start to smell and taste like spoiled fruit. As an antimicrobial, it helps prevent the growth of bacteria, molds, and yeasts that can grow in wine and turn it into vinegar, or otherwise spoil it.. Its true that SO2 can be toxic when ingested in high doses-- the number isnt exactly set in stone, because doctors dont want to kill people to find out where that threshold is. They think its somewhere around 190 milligrams per kilogram of weight (or about 86 milligrams per pound). An acceptable daily intake is considered to be about 48 milligrams per day for a 150 pound person. To put this in perspective somewhat, your body produces about 2,000 milligrams of sulfur dioxide just on its own every day, and thats also ...
Abstract: Notice of initiation of action by OSHA with respect to reducing occupational exposure to 2-Methoxyethanol, 2-Ethoxyethanol, 2- Methoxyethanol Acetate and 2-Ethoxyethanol Acetate (2-ME, 2-EE, 2-MEA, and 2-EEA, respectively under 6(b) of OSH Act. This notice summarizes information currently available to OSHA regarding their production, use, health effects, estimates of employee exposure and risk assessments. Comments in response to this Advance Notice of Proposed Rulemaking should be submitted by July 31, 1987 ...
This skin notation profile presents (1) a brief summary of epidemiological and toxicological data associated with skin contact with 2-DAE and (2) the rationale behind the hazard-specific skin notation (SK) assignment for 2-DAE. The SK assignment is based on the scientific rationale and logic outlined in the Current Intelligence Bulletin (CIB) 61: A Strategy for Assigning New NIOSH Skin Notations [NIOSH 2009]. The summarized information and health hazard assessment are limited to an evaluation of the potential health effects of dermal exposure to 2-DAE. A literature search was conducted through April 2014 to identify information on 2-DAE, including but not limited to data relating to its toxicokinetics, acute toxicity, repeated-dose systemic toxicity, carcinogenicity, biological system/function-specific effects (including reproductive and developmental effects and immunotoxicity), irritation, and sensitization. Information was considered from studies of humans, animals, or appropriate modeling ...
The Occupational Safety and Health Act of 1970 authorizes the National Institute for Occupational Safety and Health (NIOSH) to develop criteria, including recommended exposure limits (RELs), for preventing disease and hazardous conditions in the workplace. A REL is an occupational exposure limit recommended by NIOSH as being protective of worker health and safety over a working lifetime. NIOSH det
Svante Arrhenius väg 8, Stockholm. Arrheniuslaboratoriet, Svante Arrhenius väg 16, Stockholm (Unit for Analytical and Toxicological Chemistry). Mailing address: ...
In September last year, the European Food safety Authority (EFSA) said in a scientific opinion​​ that current levels of dietary exposure of titanium dioxide posed no health concerns, even though it was unable to set an acceptable daily limit (ADI) due to data limitations.. However, it called for research to fill these data gaps, particularly on the potential effects on the reproductive system which had been flagged as a risk by "a small number"​ of studies.. A spokesperson for EFSA told FoodNavigator it was aware of the study and would consider its relevance "in due course​".. Source: Scientific Reports​. "Food-grade TiO2​ impairs intestinal and systemic immune homeostasis, initiates preneoplastic lesions and promotes aberrant crypt development in the rat colon"​. First published online 20 January 2017, DOI: ​10.1038/srep40373​​. Authors: Sarah Bettini, Elisa Boutet-Robinet, Christel Cartier, Christine Coméra et. al.. ...
Is Hayfever Blocking You Up? Dont Let It Shut You Down. Winning The Fight Against Congestion Can Greatly Help Restore Acceptable Daily Function.
... are the main way the public are protected against possible risks from EMFs.. Various bodies have set limits or published guidelines on exposure to EMFs. Most have set the limits to prevent established effects at high fields - principally induced currents - but have not regarded the evidence for effects at lower fields such as cancer as strong enough to justify setting exposure limits. But there is a debate as to what might be appropriate precautionary measures at these lower fields. ...
Dimension Five of RITs 2015-2025 Strategic Plan is organizational agility. One of the key difference makers in this dimension is the development of a less risk-averse culture (taking calculated risks in order for a greater return). Traditionally, risk is often thought of as something to be avoided. However, given that value is a function of risk and return, strategic decisions do not necessarily eliminate or even minimize risk. Rather, the goal is to manage risk (both exposures and opportunities) across all parts of organization so that, at any given time, just enough of the right kind of risk to effectively pursue strategic goals is incurred. The first step towards successfully managing risks is to implement an effective risk assessment methodology. Risk assessment is a systematic process for identifying and evaluating both external and internal events (risks) that could affect the achievement of objectives, positively or negatively. During this class, we will discuss the key components of an ...
NMFS will host a meeting of the Council Coordination Committee (CCC), consisting of the Regional Fishery Management Council chairs, vice chairs, and executive directors in January 2012. The intent of this meeting is to discuss issues of relevance to the Councils, including FY 2012 budget allocations and budget planning for FY2013 and beyond, Marine Recreational Information Program Update, Report on the Allocation of Fishery Resources, Habitat Blueprint, Managing Our Nations III Conference, and other topics related to implementation of the Magnuson-Stevens Fishery Conservation and Management Act (Magnuson-Stevens Act). ...
For many of us its an essential social and creative lubricant - yet its undoubtedly a killer. Heres how to get the good stuff while limiting the bad
The UNs childrens agency, UNICEF, said Asia accounts for more than 16 million of the worlds 17 million infants aged under one year living in areas with severe pollution - at least six times more than safe levels ...
Minggu ke 3 Keamanan dan sanitasi hasil ternak. Yuli Yanti , S.Pt ., M.Si [email protected] yyanti12.staff.uns.ac.id LAB. IPHT FP-UNS. Sanitasi. Clean -free of visible soil Sanitize -reduce the number of bacteria to a safe level Sterilize -to make free of bacteria Slideshow 1942401 by keefe
Are wireless networks and wifi radiation safe for children? What are the acceptable exposure limits? Jini Patel Thompson brings you answers from experts...
This table summarizes the limit values of AgBB 2015 scheme for emissions from construction products. It also indicates which parameters are different from the European harmonized approach as in prEN 16516.
This report is a presentation of the work realised during an internship at the consultancy division of Thales Security Systems from September 2005 to June 2006. Thales Security Systems is part of Thales, an international group in defence, aeronautics, etc.. The work realised consisted in the creation of a new risk assessment methodology for a commercial offer called HELP, standing for Human, Environmental, Logical and Physical security. As a basis for the work, 5 existing risk assessment methodologies were studied, summed up and analysed:. - Integrated security risk assessment: a methodology created by Thales Security Systems but not used because of its complexity. - Ebios: a whole risk assessment methodology created by the French government. - Marion: more or less an audit questionnaire. - Audit questionnaire ISO 17799: an audit questionnaire created by Thales Security Systems. - A confidential methodology: a methodology of another company with interesting concepts So as to complete this first ...
INTERNATIONAL PROGRAMME ON CHEMICAL SAFETY WORLD HEALTH ORGANIZATION SUMMARY OF TOXICOLOGICAL DATA OF CERTAIN FOOD ADDITIVES WHO FOOD ADDITIVES SERIES NO. 12 The data contained in this document were examined by the Joint FAO/WHO Expert Committee on Food Additives* Geneva, 18-27 April 1977 Food and Agriculture Organization of the United Nations World Health Organization * Twenty-first Report of the Joint FAO/WHO Expert Committee on Food Additives, Geneva, 1977, WHO Technical Report Series No. 617 ADIPIC ACID Explanation This substance has been evaluated for acceptable daily intake by the Joint FAO/WHO Expert Committee on Food Additives (see Annex I, Ref. Nos. 11 and 13) in 1965. The previous monograph has been expanded and is reproduced below. EVALUATION FOR ACCEPTABLE DAILY INTAKE BIOLOGICAL DATA BIOCHEMICAL ASPECTS Four young dogs were injected subcutaneously with 0.25 g adipic acid (sodium salt), twice daily, for a period of five days. Urine was collected during this period, and for three days ...
The Community indicative occupational exposure limit values are established as implementation of Council Directive 98/24/EC.Member States shall establish national occupational exposure limit values for the chemical agents listed in the Annex, taking into account the Community values.
The 2004 Supplement to the Documentation of the Threshold Limit Values and Biological Exposure Indices, 7th Edition contains Documentation for the substances, with their corresponding values and notations, that were on the Notice of Intended Changes for 2003, and have been approved and adopted as Threshold Limit Values (TLVs®) and Biological Exposure Indices (BEIs®).
Petroleum hydrocarbons (PHC) are a complex mixture of organic compounds, which can negatively impact terrestrial ecosystems. The Canadian Council of Ministers of the Environment (CCME) provides recommendations on the allowable concentrations of PHC in Canadian soils. The preferred method for PHC analysis according to the CCME is solvent extraction with 1:1 acetone/hexane (1:1 AH) to recover PHC from soils, followed by quantification via gas chromatography with a flame ionization detector (GC-FID). However, the 1:1 AH solvent often co-extracts naturally occurring biological organic compounds (BOC) along with PHCs from soils. This co-extraction of BOC could lead to an incorrect PHC concentration in soil. One potential PHC soil remediation technology is plant growth promoting rhizobacteria (PGPR) enhanced phytoremediation systems (PEPS). PEPS use plants and their associated microbiota to remove PHC from soils. This investigation was divided into two sections. First was optimization of PHC ...
Occupational Exposure Limits (OELs) are used as an important regulatory instrument to protect workers health from adverse effects of chemical exposures. The OELs mirror the outcome of the risk assessment and risk management performed by the standard setting actor. In paper I the OELs established by 18 different organisations or national regulatory agencies from the industrialised world were compared. The comparison concerned: (1) what chemicals have been selected and (2) the average level of exposure limits for all chemicals. In paper II the OELs established by 7 different national regulatory agencies of EU member states are compared to those of the European Commission (EC). In addition to the same comparisons as performed in the first study a comparison level was introduced (3) the similarity between the OELs of these EU member states and the OELs recommended by the EC.List of OELs were collected through the web-pages of, and e-mail communication with the standard-setting agencies. The ...
According to the Work Health and Safety Regulation 2017, businesses must ensure that workers are not exposed to airborne chemicals above the workplace exposure standard. Methyl bromide has a workplace exposure standard of 5 ppm or 19 mg/m3averaged over eight hours (time weighted average). Risks to health and safety from exposures to hazardous chemicals must, so far as is reasonably practicable, be eliminated (cl. 35). PCBUs must ensure that no person at the workplace is exposed to a substance above its exposure standard (cl. 49) and must reduce exposures so far as is reasonably practicable.. PCBUs must undertake exposure (air) monitoring for substances with an exposure standard if they are not certain (on reasonable grounds) as to whether the exposure standard is exceeded (cl. 50). Adjustments to the exposure standards are made for extended work shifts, taking into account the longer daily exposure. Air monitoring results must be readily available to workers and records of results kept for 30 ...
In September 2005, a "panel of scientific experts" at the European Food Safety Authority concluded, "after examining a dossier on propan-2-ol (isopropanol, IPA) put forward by the European Flavour and Fragrance Association (EFFA), [that] soft drink makers should propose limits for heavy metals and aromatic hydrocarbons used as carrier solvents for flavouring preparations in soft drinks." [1] The EFSA said that the Acceptable Daily Intake (ADI) of "2.4 mg/kg bw would be reached for a 60 kg [approximately 132-pound] adult by the daily consumption of 240 ml of soft drink which is less than a normal sized can or bottle." [2] The EFSA stated that an "estimate has been made of the potential intake of propan-2-ol from all sources for UK adult consumers, including the assumption that it is used in soft drinks at 600 mg/l. The mean potential intake was estimated to be 1.3 mg/kg bw/day, i.e. below the ADI. However, the estimated 97.5th percentile of potential intake from all sources in consumers was 5.4 ...
A dozen modified food starches used to make sauces and pie fillings have received regulatory backing after a re-evaluation found no safety concerns with levels currently used in food products.. Conclusions reached by the European and Food Safety Authority (EFSA) ruled that 12 modified starches (E 1404, E 1410, E 1412, E 1413, E 1414, E 1420, E 1422, E 1440, E 1442, E 1450, E 1451 and E 1452) could be authorised as food additives.. "Modified starches (i.e. E 1413, E 1414, E 1420, E 1450) were well tolerated in adults up to a single daily dose of 60,000 milligrams per person (mg/person) (860 mg/kg bw)," EFSA stated.. "The Panel concluded that there is no safety concern for the use of modified starches as food additives at the reported uses and use levels and that there is no need for a numerical acceptable daily intake (ADI).". Absorption questions. There were concerns over the way modified starches were not absorbed intact posing distribution, metabolism and excretion issues in the human body ...
Colouring agents are highly present in diverse products in the human environment. We aimed to elucidate the fibrogenic cascade triggered by the food dyes tartrazine and chlorophyll. Rats were orally given distilled water, tenfold of the acceptable daily intake of tartrazine, or chlorophyll for 90 consecutive days. Tartrazine-treated rats displayed a significant rise (p < 0.05) in the mRNA levels a ...
According 6th National Nutrition Survey (NNS) ten nitrate-and nitrate-treated meat products rank among the top 20 processed meats consumed by Filipinos. Nitrates and nitrites in high concentration are factors in formation of intestinal colon cancer and type one diabetics. The JECFA-WHO/FAO (2002) Acceptable Daily intake (ADI) is 0.07 mg nitrite per kg body weight. A…
Objectives: Setting and implementing occupational exposure limits (OELs) is one of the measures taken to protect workers from adverse effects of hazardous chemicals. The EU Regulation on Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) introduced an additional kind...
This thesis focuses on exacerbating chemicals risk in workplaces under the background of rapid industrialization in developing countries. The overall aim is to investigate the development of regulatory tools which aim at minimizing the health risks from chemical substances in the workplace. The contents of the thesis are divided into three sections: the profile of occupational diseases in China (paper I), occupational exposure limits (paper II and III), and comparison between chemicals regulat ions in Europe and China (paper IV).. Paper I presents an analysis of the development of occupational diseases in China between 2000 and 2010. The number of recorded cases of occupational diseases increased rapidly in China during this period and the majority of cases were attributable to dust and other chemicals exposures. Difficulties in diagnosis and inefficient surveillance are major impediments to the proper identification and mitigation of occupational diseases. Migrant workers are extremely ...
Please follow this link to learn about the EU Strategy on Exposure to chemical agents.. Commission Directive 2009/161/EU of 17 December 2009 establishing a third list of indicative occupational exposure limit values in implementation of Council Directive 98/24/EC and amending Commission Directive 2000/39/EC.. Commission Directive 2006/15/EC of 7 February 2006 establishing a second list of indicative occupational exposure limit values in implementation of Council Directive 98/24/EC and amending Directives 91/322/EEC and 2000/39/EC. Commission Directive 2000/39/EC of 8 June 2000 establishing a first list of indicative occupational exposure limit values in implementation of Council Directive 98/24/EC. ...
The American Conference on Diversity drew healthcare leaders from throughout the tri-state area to educate & advocate for change In mid-May, the American Conference on Diversity provided a unique learning experience to a full house of healthcare providers and administrators at the NJ Hospital Association Conference Center in Princeton, NJ. The full-day symposium kicked off…. ...
For a given smoke flavouring, the Margin of Safety (MOS) is the ratio of the No-Observed-Adverse-Effect Level (NOAEL) typically identified through a 90-day toxicological study in animals, to the anticipated exposure of consumers to this substance through the diet. The expert evaluation of the accepted MOS takes into account evidence that the smoke flavouring is not genotoxic (i.e. does not damage DNA, the genetic material of cells) and applies uncertainty factors for variations between animals and humans and between population groups (e.g. infants, children, elderly...).. ...
Modern Safety Management for HSE Professional Harris Hotel, Jakarta , 15 - 16 September 2014 , Rp 4.000.000 Harris Hotel, Jakarta , 17 - 18 November 2014 , Rp 4.000.000 "Safety is Everybodys Business" "Safety culture is determined by the values and priorities placed on all aspects of safety by everyone at every level of an […]. ...
When considering total risks over all regions, the relatively high risks posed by sources (RSsource) were found to be, in order of magnitude (Table 5), sugar plantations, paper mills, forestry plantations, and exotic fish. When considering the sources per risk region, the agricultural activities, including the sugar plantations and the forestry activities, pose the highest risk in Regions A, D and F (Fig. 6). The dam in the study area poses a negative risk in risk Regions D, E and F, a result interpreted as beneficial in these regions.. The greatest risk posed to habitats (RShabitat) occurs primarily in the instream habitats, followed by the substrate (sediment), with the riparian habitats being exposed to the lowest risks. The greatest risks posed to the instream habitats occur within Risk Region F, with high risks in Regions E, D, B and A, in order of severity (Fig. 7). The sediment habitat and riparian habitats are at most risk in Risk Region D.. Finally, the risk outcomes need to be ...
This study expanded on previous preference and reinforcer assessment research by comparing information presented by multiple informants (parent, teacher, typically developing student) and multiple preference assessment (PA) methods (verbal forced-choice [VFC], pictorial forced-choice [PFC], and multiple stimulus without replacement [MSWO]) to determine which informant/method could predict the reinforcing value (i.e., potency) of stimuli. Reinforcer assessment (RA) rankings were used to determine potency. PA rankings were compared to assess stability over time. Administration times were compared to determine which method was quickest. Rater/method rankings were compared with the corresponding RA rank orders. Agreement measures consisted of exact and adjacent agreement. Exact agreement was coded when the rater/method rank and the RA rank matched exactly. Adjacent agreement was coded when the rater/method rank was an exact match or within one rank order position from the RA rank.
News On the 10-year anniversary of the BP refinery explosion in Texas City, TX, OSHA says current regulations need revising. Are you ready for an OSHA inspection? Find out how to prepare for when an inspector knocks on your door. OSHA seeks nominations for membership on its Federal Advisory Council on Occupational Safety and Health. Stakeholders are receiving an additional six months to comment on OSHAs Request for Information on chemical management and permissible exposure limits. Notable proposed fines $305,300 to a Chicago steel storage . . .
High-potency active ingredients are classified by their inherent characteristics of toxicity and pharmacological potency, as well as by their occupational exposure limits (OELs). Typically, active pharmaceutical ingredients with OELs at or below 10 μg/m3 of air as an eight-hour time-weighted average are considered potent from an occupational health perspective. High-potency compounds can be categorized based on four levels of OELs (see Table 1, below), according to SafeBridge Consultants Inc. The four categories range from Category I, low-potency compounds requiring conventional safety precautions, to Category IV, which require a high degree of containment.. Unfortunately, there is no general categorization method in place. At least 16 variations are used within the pharmaceutical industry, in addition to numerous other systems developed by contract manufacturers, biotechnology companies, generic pharmaceutical companies, and service providers. Most systems are either four-category systems ...
Historically, legal and administrative exposure levels were set by the Dutch government (see history below). However, new Dutch occupational health & safety legislation was enacted at the end of 2006 in order to "stimulate" and intensify employers and employees responsibility for occupational health & safety policies. An additional goal was to reduce and simplify existing legislation. This is in line with other legislative developments (e.g. REACH), where responsibility likewise shifts from government to industry. The changes in the Dutch law on labour conditions are effective as of 1st January 2007.. As a result, employers and employees can now set most of the occupational exposure limits (OELs) themselves. Only 150 legal (public) OEL values remain. For these 150 OELs, the "Subcommissie MAC-waarden" and the "Commissie Arbeidsomstandigheden" of the Social and Economic Council of the Netherlands (SER) have provided their general advice with regard to the choices of substances for which a legal ...
An international working group of scientists, researchers and public health policy professionals (The BioInitiative Working Group) has released its report on
graphical map of CO2 in real-time).. A persons exhaled breath is approximately 4.5% carbon dioxide by volume.. It is dangerous when inhaled in high concentrations (greater than 5% by volume, or 50,000 ppm). The current threshold limit value (TLV) or maximum level that is considered safe for healthy adults for an eight-hour work day is 0.5% (5,000 ppm). The maximum safe level for infants, children, the elderly and individuals with cardio-pulmonary health issues is significantly less.. These figures are valid for pure carbon dioxide. In indoor spaces occupied by people the carbon dioxide concentration will reach higher levels than in pure outdoor air. Concentrations higher than 1,000 ppm will cause discomfort in more than 20% of occupants, and the discomfort will increase with increasing CO2 concentration. The discomfort will be caused by various gases coming from human respiration and perspiration, and not by CO2 itself. At 2,000 ppm the majority of occupants will feel a significant degree of ...
... Through the United States the structural safety of major and/or innovative structures has become a serious concern for engineers and to the general public. The objective of this paper is to present an integrated risk assessment methodology for structural safety. The practical applicability and versatility of this integrated methodology has been illustrated based on a priori probabilities for specific events. The risk assessment process includes two major components: 1) risk estimation, and 2) risk acceptability analysis. For the risk estimation, a quantitative analysis procedure incorporating the event tree and fault tree has been developed. For the risk acceptability analysis, a revealed preference model based on the anatomy of risks for a reinforced concrete structure has been formulated.
On January 20th (a Saturday!) I spent a few valuable hours with fellow practitioners in a privacy risk workshop kindly organised by Professor Eerke Boiten at De Montfort University in Leicester.. I presented a brief overview of the way Ive started to carry out very basic risk assessments focussed on privacy impact to Data Subjects.. This is the paper I showed that describes my simple privacy risk assessment methodology. Feel free to use it, modify it, discuss it and improve on it. I think Eerke will organise another event so if youre interested follow me @withoutfire, @EerkeBoiten or any of the other participants (@SandreJ, @TrialByTruth, @LynnFOI, @TheABB, @FOIkid, @RMGirlUK, @MissIG_Geek) for further discussions.. ...
As you can see, the grid is colour-coded based on a series of thresholds: 1-3 is in green, 4-6 in yellow, and so on. Organisations can use these thresholds to help them determine their risk appetite, i.e. the level of risk they are willing to accept.. For example, an organisation might say that it will address anything with a score higher than 6, and accept anything lower as insignificant enough that it can be ignored. Where you set your threshold depends on the resources at your disposal. The lower your limit, the more risks you need to address and the more of ISO 27001s controls you will need to implement.. Theres no universal system for determining the point at which the probability or damage of a risk moves from one number to the next. Organisations must decide that themselves, and document their rationale in their risk assessment methodology.. As a general guide, its worth remembering that the highest and lowest scores have to be indefinite ("anything that occurs more/less often ...
We deploy an assessment methodology that has been tried and tested on four continents on projects across a range of industries. Working in close collaboration with our clients, we go with them into the field to validate the findings of our initial gap analysis with specific field-based assessment processes using local sources of information and data. The objective is to identify the potential human rights challenges facing our clients and to understand first-hand how their operations impact on rights-holders and are perceived by their key stakeholders. We assist clients with developing tailored risk mitigation strategies and recommendations to address each of the identified gaps and risk factors.. Identifying human rights risks must be an ongoing process. We offer ongoing monitoring of our clients operating environments to help them identify and prevent risks before they become a threat. Through our management consulting services, we can assist our clients with the creation of risk mitigation ...
ECLAC SUBREGIONAL HEADQUARTERS FOR THE CARIBBEAN Newsletter of the Caribbean Development and Cooperation Committee (CDCC) DISASTER ASSESSMENT - DAMAGE AND LOSS ASSESSMENT METHODOLOGY (DALA) DAMAGE ASSESSMENT
Expert Pascal Peduzzi, who heads the Early Warning Unit, predicted in March that several beaches on the western end of Jamaica could be totally wiped out in the next five to 10 years if local authorities and residents do not act now.. His prediction is based on data coming out of a UNEP study on the role of the ecosystem in disaster risk reduction.. "The data has found that beaches in Negril are receding between half and one metre per year," said Peduzzi.. The scientific evidence shows that over the past 40 years Negrils beaches have undergone severe and irreversible shoreline erosion and retreat, according to the study entitled "Risk and Vulnerability Assessment Methodology Development Project (RiVAMP): The Case of Jamaica.". "The highest erosion rates have occurred after 1991, when beach recovery after storms has been slower, and these trends are likely to continue," Peduzzi said.. The UNEP report says bad environmental and building practices and illegal dumping of pollutants in the sea were ...
The NACBS is proud of the accomplishments of its members and is happy to provide a venue to showcase the wonderful work of British Studies scholars. This section of the website is intended to allow members to announce recent publications (especially books), to highlight fellowship awards, and to notify other members of major new appointments and/or positions. It is not intended to circulate calls for papers or to serve as a general mechanism for communication. To ensure that the "Members News" section functions properly, it will be moderated by the associations Executive Secretary.. To submit your news please click here.. .entry .excerpt * img { float: right; padding: 5px 5px 5px 10px; } #pagination span { padding-right: 5px; } ...
Criteria for lead (7439921) exposure standards in the workplace are discussed. The earliest demonstrated effect of lead involved inhibition of the heme biosynthetic pathway; indicators include the enzyme aminolevulinic-acid-dehydrase, aminolevulinic-acid in urine, and erythrocyte protoporphyrin activity. There is evidence that peripheral motor disease may be related to a history of increased lead
High average power (100s of watts) is available from 3 - 6 mm, with individual micropulse energy up to 15 mJ. Highest pulse energy increases the spectral width of pulses to 2.5%, from 0.4% at 3.1 mm, which may be significant for some experiments. Minimum micropulse length (FWHM) is about 0.7 ps, with a maximum separation of 55 ns. In addition to the primary wavelength, harmonic lasing can deliver watts at 1 micron, though stability issues require resolution before that light can be usefully exploited. Straightforward improvements to the optical cavity and transport system could raise the harmonic power several-fold. Available pulse formats range from CW to macropulses as short as 10 ms at any reasonable macropulse repetition rate. The beam is highly polarized (6000:1). Since laser operation may not be drift-free on the time scale of hours with presently installed equipment. Experimenters need to identify and monitor critical parameters, e.g., wavelength, micropulse energy, beam pointing. ...
... for allergens like mould, asbestos and radon are not visible to the naked eye and need a professional test to establish safe levels .....
They attempted to place an IV but most of Carlys veins, which are hard to find through her cute baby fat, were bruised up from her last stay at the hospital. The best option was to place an NG tube (nasogastric tube) which is a small tube that is inserted down a nostril and into the stomach allowing fluids to be pushed down the tube whenever needed. The tube was placed while we were in the ER and around midnight we were admitted to the hospital for overnight observation. Carly could clearly tell that we were back in the hospital and she did not like it one bit, but fortunately it was a short stay. By 2pm yesterday Carlys sodium was back to a safe level and the endocrine team was comfortable sending us home to continue to rehydrate Carly. We were trained on how to place an NG tube and Carly was sent home with one in place that we will continue to use until she is reliably eating on her own again. Christa and I had discussed getting trained on placing an NG tube earlier, thinking it would be ...