40 CFR Subpart O
§ 421.150 Applicability: Description of the primary beryllium subcategory. § 421.151 Specialized definitions. § 421.152 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
اقرأ أكثرBiomonitoring Summary | CDC
Workplace air standards and guidelines for external exposure have been established by OSHA and ACGIH, respectively; and drinking water and environmental standards have …
اقرأ أكثرBiomonitoring Summary | CDC
Biomonitoring studies on levels of beryllium provide physicians and public health officials with reference values so that they can determine whether people have been exposed to higher levels of beryllium than are found in the general population. Biomonitoring data can also help scientists plan and conduct research on exposure and health effects.
اقرأ أكثرNonferrous Metals Manufacturing Effluent Guidelines Documents for …
Primary and Secondary Germanium & Gallium, Primary Rare Earth Metals, Secondary Indium. Nonferrous Metals Manufacturing Effluent Guidelines - Final Rule (pdf) (2.4 , August 3, 1990, 55 FR 31692) Development Document for Nonferrous Metals Manufacturing Category; Vol. 1: General (pdf) (23.9 , May 1989, 440/1-89/019.1) …
اقرأ أكثرChronic Beryllium Disease
The new final rule for general industry significantly reduces beryllium permissible exposure limits (PELs), while increasing requirements for …
اقرأ أكثرSummary
An 8-h occupational guideline for limiting exposure to beryllium to 2 µg/m 3 has been in place since 1949. That guideline was successful in practically eliminating acute beryllium disease, but the risk of CBD persists. ... The primary health effects of interest in connection with beryllium are beryllium sensitization (BeS), CBD, and lung ...
اقرأ أكثرBeryllium | NIOSH | CDC
Beryllium is a lightweight metal with unique mechanical and thermal properties that make it ideal for use in many applications and industries including defense, aerospace, telecommunications, automotive electronics, and medical specialties. Beryllium is a naturally occurring metal found in several minerals. It is most commonly extracted from ...
اقرأ أكثرCLINICAL GUIDELINE FOR THE DIAGNOSIS OF …
This Guideline provides the clinical diagnostic criteria for beryllium sensitization and chronic beryllium disease (CBD; old term = berylliosis), based on the latest available medical literature and consultation with leading experts in the field. This Guideline does …
اقرأ أكثرEpidemiologic and Clinical Studies of Beryllium Sensitization …
From the 1940s through the 1960s, the Atomic Energy Commission (AEC) was the primary user of beryllium in the U.S. economy. In 1949, AEC's occupational hygienists recommended an air standard of 2 µg/m 3 as an 8-h time-weighted average and a 30-min peak standard of 25 µg/m 3 (Eisenbud 1982). Before the widespread application of the …
اقرأ أكثرWhat You Should Know About OSHA's Recently Revised Beryllium …
The primary protective measures include: ... Prevent your workers from being exposed above the short-term exposure limit for beryllium (2.0 µg/m 3, over a 15-minute sampling period); ... OSHA recently updated their guidelines on mitigating and preventing the spread of COVID-19 in the workplace, which reflects the July 27, 2021 …
اقرأ أكثرBeryllium
Beryllium is a lightweight but extremely strong metal used in the aerospace, electronics, energy, telecommunications, medical, and defense industries. Beryllium-copper alloys are widely used because of their electrical and thermal conductivity, hardness, and good corrosion resistance. ... Employers must use engineering and work practice ...
اقرأ أكثرBeryllium Guideline
PURPOSE. This Guideline provides the clinical diagnostic criteria for beryllium sensitization and chronic beryllium disease (CBD; old term = berylliosis), based on the latest available medical literature and consultation with leading experts in the field. This Guideline does not address exposure prevention, workplace safety, or treatment.
اقرأ أكثرExposure Assessment
The committee has reviewed the literature describing exposure to beryllium to provide a basis for examining questions relevant to the identification of exposure-response relationships and the development of health-protection standards. Worker-protection standards are the focus of this effort, but an understanding of natural background …
اقرأ أكثرSUBPART
Collapse to view only § 421.153 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. § 421.150 - Applicability: Description of the primary beryllium subcategory. § 421.151 - Specialized definitions.
اقرأ أكثرBeryllium Toxicity: Patient Education Care Instruction …
The general population is exposed to normally low levels of beryllium in air, food, and water in the course of their daily lives. People working or living near beryllium industries have …
اقرأ أكثرBeryllium
Beryllium is a lightweight metal that is found naturally in rocks, coal, soil, and volcanic dust. Because it is lightweight and strong, beryllium has many uses in the electronics, aerospace, and defense industries. It is also used in energy applications and in the medical and dental fields. Beryllium is mined in the United States.
اقرأ أكثرToxGuide for Beryllium
Beryllium sensitization is a beryllium-specific cell-mediated immune response. It can occur in individuals who are genetically susceptible to beryllium. It does not cause any physical impairments but does indicate susceptibility to CBD. Dermal contact with beryllium may cause skin granulomas or edema.
اقرأ أكثرDrinking Water Regulations and Contaminants | US EPA
NSDWRs (or secondary standards) are non-enforceable guidelines regulating contaminants that may cause cosmetic effects (such as skin or tooth discoloration) or aesthetic effects (such as taste, odor, or color) in drinking water. ... but do not exceed the primary standard of 4.0 mg/L for fluoride, must provide public notice to …
اقرأ أكثرBerylliosis
Berylliosis is a form of metal poisoning caused by inhalation of beryllium dusts, vapors, or its compounds or implantation of the substance in the skin. The toxic effects of beryllium most commonly occur due to occupational exposure. ... Employees should follow all workplace and safety guidelines and take any additional, appropriate …
اقرأ أكثرBeryllium Toxicity: Patient Education Care Instruction Sheet
Beryllium usually affects the respiratory system, although it can affect other parts of the body as well. Listed below are different types of illnesses or health effects associated with beryllium. The body develops hypersensitivity to beryllium. No symptoms, but the body identifies beryllium as foreign.
اقرأ أكثرCalifornia Code of Regulations, Title 8, Section 5205. Beryllium.
This standard means this beryllium standard, Section 5205. (c) Permissible Exposure Limits (PELs). (1) Time-weighted average (TWA) PEL. The employer must ensure that no employee is exposed to an airborne concentration of beryllium in excess of 0.2 μg/m 3 calculated as an 8-hour TWA. (2) Short-term exposure limit (STEL).
اقرأ أكثرCHAPTER 2. HEALTH EFFECTS
BERYLLIUM 11 . CHAPTER 2. HEALTH EFFECTS . 2.1 INTRODUCTION The primary purpose of this chapter is to provide public health officials, physicians, toxicologists, and other interested individuals and groups with an overall perspective on the toxicology of beryllium. ... However, the Agency has established guidelines and policies that are …
اقرأ أكثرIntroduction
DOE also established two surface-contamination guidelines for beryllium to reduce its accumulation on surfaces and its spread outside specific work areas (10 CFR 850.29-30 [1999]). ... The committee also reviewed a large body of scientific literature on beryllium. The primary health concerns related to beryllium—sensitization, CBD, and lung ...
اقرأ أكثرCDC
Beryllium & beryllium compounds (as Be) Beryllium metal. Metal: A hard, brittle, gray-white solid. Metal: Noncombustible Solid in bulk form, but a slight explosion hazard in the form of a powder or dust. Acids, caustics, chlorinated hydrocarbons, oxidizers, molten lithium. Berylliosis (chronic exposure): anorexia, weight loss, lassitude ...
اقرأ أكثرBeryllium | ToxFAQs™ | ATSDR
Symptoms of acute beryllium disease include irritation of the lungs, nose, and throat, as well as trouble breathing and tiredness. People with chronic beryllium disease develop lesions (masses) in the lungs that can lead to scarring. They may experience chest pain, cough, and/or shortness of breath. Skin contact with beryllium may cause an ...
اقرأ أكثرBeryllium
Exposure Evaluation and Controls. Exposure to beryllium via inhalation of airborne beryllium or dermal contact with beryllium-containing dust, fume, mist or solutions can cause health effects. The following resources provide information on exposure limits and analytical methods used to evaluate workers' beryllium exposure.
اقرأ أكثرWhat Are the U.S. Standards for Beryllium Exposure?
Air. The OSHA regulation for beryllium and its compounds is an 8-hour time-weighted average (TWA) of 2 micrograms (as beryllium) per cubic meter of air (2 µg/m 3).. An employee should not be exposed to a concentration of beryllium and beryllium compounds exceeding 5 µg/m 3.. The 30-minute maximum peak level is 25 µg/m 3.. …
اقرأ أكثرNational Primary Drinking Water Regulations | US EPA
54 rowsBeryllium: 0.004: 0.004: Intestinal lesions. Discharge from metal refineries and coal-burning factories; discharge from electrical, aerospace, and …
اقرأ أكثرProtecting Workers from Exposure to Beryllium and …
The rule reduces the PEL for beryllium to 0.2 micrograms per cubic meter of air (μg/ m3) averaged over 8 hours, and establishes a short-term exposure limit (STEL) for beryllium of 2.0 μg/m3 over a 15-minute sampling period. Employers must use engineering and work practice controls to prevent excessive beryllium from becoming airborne where ...
اقرأ أكثرBeryllium Disease
The United States Occupational Safety and Health Administration (OSHA) has set the permissible exposure limit of beryllium to 0.2 micrograms per cubic meter of air, …
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