Occupational exposure to hydroquinone. by National Institute for Occupational Safety and Health. Download PDF EPUB FB2
Hydroquinone is also a skin irritant in humans. Chronic (long-term) occupational exposure to hydroquinone dust can result in eye irritation, corneal effects, and impaired vision. No information is available on the reproductive, developmental, or carcinogenic effects of hydroquinone in humans.
Occupational exposure to hydroquinone. [National Institute for Occupational Safety and Health.] Print book: National government publication: EnglishView all editions and formats: Rating: (not yet rated) 0 with reviews - Be the first. Subjects: Hydroquinone -- Toxicology. Hydroquinone (C₆H₄ (OH)₂) is a light-tan, light-gray, or colorless crystal.
Exposure to hydroquinone may cause irritation to the eyes and central nervous system. Workers may be harmed from exposure to hydroquinone.
The level of exposure depends upon the dose, duration, and work being done. Hydroquinone is used in many industries. Occupational exposure to hydroquinone: criteria for a recommended standard.
[National Institute for Occupational Safety and Health. Division of Criteria Documentation and Standards Development.]. Criteria for a Recommended Standard: Occupational Exposure to Hydroquinone. This Criteria Document is contained in PDF files, for ease of handling.
The following table of contents allows you to open or download the files containing the sections of the document you want to see. Occupational exposure to hydroquinone may occur by inhalation or dermal contact, especially in those who develop black and white film, since hydroquinone is a common component of File Size: KB.
(). The Toxicology of Hydroquinone — Relevance to Occupational and Environmental Exposure. Critical Reviews in Toxicology: Vol. 29, No. 3, pp. Cited by: Allergy and occupational exposure to hydroquinone and to methionine flow during the middle half" of the FVC; and in group M for maximal flow rate at 25%.
All these significant differences remained after adjustment for tobacco consumption. The pharmacological tests induced similar varia tions in the exposed and the control groups.
The flow. The Toxicology of Hydroquinone — Relevance to Occupational and Environmental Exposure Anthony P. DeCaprio* ChemRisk Division, McLaren/Hart, Inc., 28 Madison Ave. Ext., Albany, NY * Correspondence and reprint requests to current address: School of Public Health, The University at Albany, Occupational exposure to hydroquinone.
book University of New. General Discussion. Background. History of procedure OSHA has an exposure standard for hydroquinone at a level of 2 mg/m³ TWA. Occupational exposure to hydroquinone.
book method collects hydroquinone on a mixed cellulose ester filter and field extraction within one hour of collection with a. The Occupational Outlook Handbook is the government's premier source of career guidance featuring hundreds of occupations—such as carpenters, teachers, and veterinarians.
Revised annually, the latest version contains employment projections for the g: hydroquinone. Respiratory manifestations have been reported after exposure to hydroquinone and to methionine. One hundred and three men in the same chemical plant were divided into three groups according to their exposure and compared by questionnaire, respiratory functional tests with methacholine then salbutamol challenges, and measurements of serum immunoglobulins G and E.
Group H included 33 workers exposed to hydroquinone, trimethyl-hydroquinone, and by: 6. According to OSHA regulations, the permissible exposure limit (PEL) for hydroquinone is 2 milligrams per cubic meter of air (mg/m 3) as measured over an 8-hour period, otherwise known as an 8-hour time weighted average, TWA.
A short term acute exposure to hydroquinone may cause a variety of symptoms including, but not limited to, headaches, dizziness, nausea, and difficulty breathing. Hydroquinone is used as a photographic developer (with black-and-white film), a dye intermediate, a stabilizer in paints, varnishes, motor fuels and oils, an antioxidant for fats and oils, an inhibitor of polymerization and in the treatment of skin hyperpigmen-tation (Lewis, ).
Occurrence Occupational exposureFile Size: KB. Hydroquinone (HQ) is a high-volume commodity chemical used as a reducing agent, antioxidant, polymerization inhibitor, and chemical intermediate. It is also used in over-the-counter (OTC) drugs as an ingredient in skin lighteners and is a natural ingredient in many plant-derived products, including vegetables, fruits, grains, coffee, tea, beer, and wine.
While there are few reports of adverse. Respiratory manifestations have been reported after exposure to hydroquinone and to methionine. One hundred and three men in the same chemical plant were divided into three groups according to their exposure and compared by questionnaire, respiratory functional tests with methacholine then salbutamol challenges, and measurements of serum immunoglobulins G and E.
Group H included 33 workers Cited by: 6. A study on occupational exposure of hydroquinone showed that subjects exposed to hydroquinone had a higher prevalence of a cough and decreased lung capacity compared to their unexposed counterparts.
VULNERABLE POPULATIONS: Anyone is vulnerable to the effects of hydroquinone, but skin lighteners are marketed to women of color. You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read.
Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. amended safety assessment of hydroquinone was published with the conclusion “ safe at concentrations of % or less for in which daily dermal exposure of pregnant rats (20 animals/group) was up to mg/kg; no remarkable difference was Recommended limits for occupational exposure of hydroquinone have been set 2 [mg/m.
Criteria For A Recommended Standard-Occupational Exposure to Hydroquinone, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) ().  NIOSH Research Report-Development and Validation of Methods for Sampling and Analysis of Workplace Toxic Substances, U.S.
Department of Health and Human Services, Publ. (NIOSH) (). Hazard classification & labelling Hazard classification and labelling. The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation.
The CLP Regulation makes sure that the hazards presented by chemicals are clearly communicated to. BLOOD AND BODY FLUID EXPOSURE MANAGEMENT PACKET In accordance with BAMC MEMO Points of Contact: Occupational Health Emergency Department Infectious Disease Safety Office Once complete, place in Preventive Medicine box on the half wall in Emergency Department for Occupational Health Size: KB.
Nausea, vomiting, and the production of green to brown-green urine may also occur. Hydroquinone may be irritating and corrosive to the skin, eyes, and mucous membranes.
Jaundice (yellow tint to skin) may be noticed. Emergency Life-Support Procedures: Acute exposure to hydroquinone may require decontamination and life support for the victims. OCCUPATIONAL HEALTH AND SAFETY CODE Requirements Applicable to All Industries Part 4 Chemical Hazards, Biological Hazards and Harmful Substances 16 Worker exposure to harmful substances 17 Exposure to multiple substances 18 Exposure during shifts longer than 8 hours 19 Review of exposure limits 20 Airborne concentration measurementsMissing: hydroquinone.
The toxicology of hydroquinone--relevance to occupational and environmental exposure. [A P DeCaprio] PMID Abstract Hydroquinone (HQ) is a high-volume commodity chemical used as a reducing agent, antioxidant, polymerization inhibitor, and chemical intermediate. HQ is only weakly positive in in vivo chromosomal assays when expected.
Kersey P, Stevenson C () Vitiligo and occupational exposure to hydroquinone from servicing self-photographing machines. Contact Dermatitis – PubMed CrossRef Google Scholar Kozuka T, Tashiro M, Sano S, et al.
() Brilliant lake red R as a cause of pigmented contact by: A method for measuring hydroquinone in air was evaluated, both in the laboratory and in the workplace. The method involved sampling the inhalable fraction onto a filter contained in a multi-holed sampler with a back-up of Tenax TA, followed by desorption into acetonitrile and analysis by High Performance Liquid by: Occupational exposure to benzene occurs via inhalation or dermal absorption of solvents in the rubber, paint (including paint applications) and parts-manufacturing industries.
It also occurs during crude-oil refining and chemical manufacturing, a large component of which entails exposure to gasoline. HYDROQUINONE Dr. Charlene DeHaven, M.D. Clinical Director, INNOVATIVE SKINCARE® Topical hydroquinone is used frequently throughout the world as a skin bleaching agent.
Hydroquinone for cosmetic use is chemically synthesized. It may be found in concentrations up to 15% or more but a doctor’s prescription is required by the FDA (United States) forFile Size: KB.
Occupational exposure to dinitro-ortho-cresol. Published Date: April Status: "NIOSH recommends in this document that employee exposure to hydroquinone () be limited to mg/m3, about parts per million, as a ceiling concentration during a 15 minute collection period.
Recommendations were provided for medical surveillance. Occupational Exposures for Air Contaminants addresses the various aspects of occupational exposure assessment for air contaminants as a coherent body of knowledge. It is the first book to explore occupational air contaminant measurement and properties, human exposure assessment, design of exposure strategies, and the statistical interpretation Cited by: It would appear that similarly hydroquinone can cause depigmentation, but because it is an irritant substance reports of occupational vitiligo from this cause are rare Wewould conclude that HMME and PTAP have a very low potential to cause depigmentation in the industrial setting described.
We thank Dr D P Duffield, divisional medicalCited by: Human exposure to hydroquinone can occur by dietary, occupational, and environmental sources. In the environment, hydroquinone showed increased toxicity for aquatic organisms, being less harmful for bacteria and by: