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American Board of Industrial Hygiene


Since 1960, the American Board of Industrial Hygiene (ABIH) has been the world’s largest, organization for certifying professionals in the practice of industrial hygiene. The ABIH administers the Certified Industrial Hygienist (CIH) credential, which is a means to objectively assess and measure the professional knowledge and understanding of practitioners engaged in the specialty of industrial hygiene. The mission of the ABIH is that the CIH credential is globally recognized as the premier standard of professional competence in Industrial Hygiene / Occupational Health & Safety.


American Conference of Governmental Industrial Hygienists


ACGIH is a member-based organization that advances occupational and environmental health. Examples of this include our annual editions of the TLVs and BEIs and work practice guides in ACGIH’s signature publications.

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American Industrial Hygiene Association


Founded in 1939, AIHA is a nonprofit organization devoted to achieving and maintaining the highest professional standards for its members. More than half of 10,000 members are certified industrial hygienists (CIHs), and many hold other professional designations. AIHA administers comprehensive education programs that keep occupational and environmental health and safety (OEHS) professionals current in the field of industrial hygiene.


American National Standards Institute


As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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American Society of Safety Engineers


Founded in 1911, the American Society of Safety Engineers (ASSE) is the world’s oldest professional safety society. ASSE promotes the expertise, leadership and commitment of its members, while providing them with professional development, advocacy and standards development. It also sets the occupational safety, health and environmental community’s standards for excellence and ethics.

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American Society for Testing and Materials


Over 12,000 ASTM standards operate globally. Defined and set by us, they improve the lives of millions every day. Combined with our innovative business services, ASTM standards enhance performance and help everyone have confidence in the things they buy and use – from the toy in a child’s hand to the aircraft overhead. Working across borders, disciplines and industries we harness the expertise of over 30,000 members to create consensus and improve performance in manufacturing and materials, products and processes, systems and services.


Ambient Monitoring Technology Information Center


The Ambient Monitoring Technology Information Center (AMTIC) contains information on ambient air quality monitoring programs, monitoring methods, quality assurance and control procedures, and federal regulations related to ambient air quality monitoring.

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British Occupational Hygiene Society


BOHS is one of the biggest occupational hygiene societies in Europe, and the only professional society representing qualified occupational hygienists in the UK. The society as a whole offers membership to anyone with an interest in a healthy work environment.

Cal Lab Magazine

Cal Lab Magazine


Cal Lab Magazine is a quarterly publication that covers measurement science and instrument calibration for managers, engineers, and technicians.


Centers for Disease Control and Prevention


CDC.gov is the Center for Disease Control’s primary online communication channel and provides user with credible, reliable health information on regulation control.

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Department of Energy


The mission the Energy Department is to ensure America’s security and prosperity by addressing its energy, environment and nuclear challenges through transformative science and technology solutions.


Flow Control Magazine


Solutions for fluid movement, measurement and containment.


Gases Magazine


Gases & Instrumentation International Magazine (G&I) is a source of information for the technology and application of bulk and specialty gases.


International Measurement Confederation


IMEKO is a non-governmental federation of 38 Member Organizations individually concerned with the advancement of measurement technology.


International Organization for Standardization


ISO (International Organization for Standardization) is an independent, non-governmental membership organization and the world’s largest developer of voluntary International Standards. We are made up of our 166 member countries who are the national standards bodies around the world, with a Central Secretariat that is based in Geneva, Switzerland. Learn more about our structure and how we are governed.


Mine Safety and Health Administration


Protecting Miners’ Safety and Health since 1978

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National Conference of Standards and Laboratories


Our vision is to be the Recognized Leader for Excellence in Measurement Science. Our mission is to invest in the Advancement of Measurement Science, Promote Education and Skill Development, Provide Tools and Resources to Enhance Member Processes, Drive Technical Integrity in Documentary Standards.


National Environmental Laboratory Accreditation Program


The NELAC Institute is a non-profit organization whose mission is to foster the generation of environmental data of known and documented quality through an open, inclusive, and transparent process that is responsive to the needs of the community.

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National Institute of Health


The National Institutes of Health (NIH), a part of the US Department of Health and Human Services, is the nation’s medical research agency-making important discoveries that improve health and save lives. Thanks in large part to NIH-funded medical research, American today are living longer and healthier.

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National Institute of Occupational Safety and Health Administration


Providing national and world leadership to prevent workplace illness and injuries.


National Institute of Standards and Technology


Founded in 1901 and now part of the U.S. Department of Commerce, NIST is one of the nation’s oldest physical science laboratories.

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National Safety Council


The nation’s leading safety advocate for more than 100 years, the National Safety Council is a nonprofit organization with the mission to save lives by preventing injuries and deaths at work, in homes and communities, and on the road through leadership, research, education and advocacy. Working to make the world measurably safer, NSC advances this mission by engaging businesses, government agencies, elected officials and the public to help prevent the fifth leading cause of death in the U.S. – unintentional injuries.


National Voluntary Laboratory Accreditation Program


The National Voluntary Laboratory Accreditation Program (NVLAP) provides third-party accreditation to testing and calibration laboratories.


Occupational Safety & Health Administration


OSHA’s mission is to “assure safe and healthful working conditions for working men and women by setting and enforcing standards and by providing training, outreach, education and assistance.