Letter A

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AA Administering Agency
AA Atomic Absorption (commonly used to refer to the instrument called an atomic absorption spectrometer)
AAS Atomic Absorption Spectroscopy
ABC's Airway, Breathing, Circulation; A reminder to first responders to "evaluate" victims before doing CPR
ABIH American Board of Industrial Hygiene (issues CIH industrial hygiene certification)
ABSA American Biological Safety Association, professional association
ACBM Asbestos Containing Building Material
ACCSH Advisory Committee on Construction Safety and Health
ACGIH American Conference of Governmental Industrial Hygienists, professional association which establishes TLVs
ACHMM Academy of Certified Hazardous Materials. The membership body to which belong those who are CHMMs.
ACM Asbestos Containing Material
ACRSP Association of Canadian Registered Safety Professionals
ACS American Chemical Society
ADA Americans with Disabilities Act
ADR Alternative Dispute Resolution
AE Atomic Emission see AES
AEL Acceptable Exposure Limit
AES Atomic Emission Spectrophotometry - Analysis by detection and quantitation of the characteristic electromagnetic emissions from atoms in a sample.
AFM
Atomic Force Microscopy
AG Attorney General
AGA American Gas Association
AGST Above Ground Storage Tank
AHERA Asbestos Hazard Emergency Response Act of 1986 (Title II of TSCA) US Federal legislation requiring all schools to determine the location and condition of asbestos containing material, and setting up procedures for issuing credentials to those who disturb asbestos for testing or removal.
AHM Acutely Hazardous Materials
AI Accident Investigator
AIChE American Institute of Chemical Engineers
AIDS Acquired Immune Deficiency  Syndrome
AIHA American Industrial Hygiene Association, Fairfax, VA. The broad professional association for Industrial Hygienists in the US and Canada, with local sections also in parts of Europe. This association is the largest professional Industrial Hygiene/Occupational Hygiene association in the world.
AIHCE American Industrial Hygiene Conference and Exposition. Annual, week long, professional conference jointly sponsored by the AIHA and the ACGIH in the spring.
ALARA As Low As Reasonably Achievable, a philosophy applied to the control of exposure to ionizing radiation
ALCM Associate in Loss Control Management, a credential issued by the Insurance Institute of America, which is located in Malvern, Pennsylvania, USA 19355-0770.
ALJ Administrative Law Judge
ALS Advanced Life Support
ANPR Advanced Notice of Proposed Rulemaking
ANSI American National Standards Institute Publishes consensus standards on a wide variety of subjects, including safety equipment, procedures, etc. contact: ANSI, Attn: customer Service, 11 West 42nd Street, New York, NY 10036. Telephone [            212-642-4900      ] is staffed 8:45 - 16:45 Eastern Time. ANSI has international distributors in England (American Technical Publications, Ltd., in Herts.), in Japan (Japanese Standards Association, Tokyo), and in Canada (Standards Council of Canada, Ottawa)
AO Administrative Order
APA Administrative Procedure Act, 5 USC Section 551 et seq; Government Code Section 11340 et seq
APCD Air Pollution Control District (California)
APCO Air Pollution Control Officer, Health and Safety (H&S) Code Section 40750 et seq (California)
APF assigned protection factor, used in the context of respiratory protection
APHA American Public Health Association
API American Petroleum Institute
APIH Association of Professional Industrial Hygienists. Based in Tennessee, USA, this organization offers professional credentialing of industrial hygienists as RIH or RPIH under the Tennessee title protection law for industrial hygiene.
APPA Association of (College and University) Physical Plant Administrators, a US professional association which, among its other activities, monitors government legislative and regulatory actions which may impact the academic community.  (refers to itself now as The Association of Higher Education Facilities Officers)
APR Air-Purifying Respirator
AQCR Air Quality Control Region
AQMD Air Quality Management District (California)
ARAR Applicable or Relevant and Appropriate Requirements (CERCLA)
ARB Air Resources Board (Cal/EPA)
ARS Agricultural Research Service (of USDA)
ASA Accredited Safety Auditor, a credential issued by the International Loss Control Institute, which is located in Loganville, Georgia, USA.
ASAE American Society of Agricultural Engineers
ASHCAT Association of Safety & Health Consultants and Trainers Inc.
ASHRAE American Society of Heating, Refrigerating, and Air conditioning Engineers. Publishes a well regarded multivolume handbook which includes ventilation guidance, and standards on IAQ and other ventilation related issues.
ASME American Society of Mechanical Engineers
ASP Associate Safety Professional, designation given to one who has successfully completed the first half of the examination process for CSP.
ASPIS Abandoned Site Program Information System
ASQC American Society for Quality Control
ASSE American Society of Safety Engineers, the national professional society for Safety Engineers in the US. 1800 E. Oakton St., Des Plaines, IL 60018-2187 USA Voice Phone -             (708) 692-4121       Fax - (708) 296-3769
AST Aboveground Storage Tanks
ASTM American Society for Testing and Materials
ATC Automatic Temperature Compensation
ATCM Air Toxics Control Measure
ATSDR Agency for Toxic Substances and Disease Registry an agency of the Public Health Service in the U.S. Department of Health and Human Services
AWO Animal Welfare Officer
AWT Advanced Wastewater Treatment

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