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LIA: Laser Institute of America

LIA, the Laser Institute of America, is a nonprofit organization that develops and publishes the ANSI Z136 laser safety standards. Headquartered in Orlando, United States, LIA standards are the foundation of laser safety programs in the United States in addition to serving communities across the globe. LIA is also heavily involved in educational ventures, training more Laser Safety Officers than any other organization in the world. Standards from LIA are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: StandardsSubscriptions@ansi.org or 1-212-642-4980 or Request Proposal Price.

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ANSI Z136.1-2014

American National Standard for Safe Use of Lasers

Z136.1 provides guidance for the safe use of lasers and laser systems by defining control measures for each of seven laser hazard classifications. A practical means for accomplishing this is to (1) classify lasers and laser systems according to their relative hazards and to (2) specify appropriate controls for each classification. Once a laser or laser system is properly classified, there should be no need to carry out tedious measurements or calculations to meet the provisions of this standard. However, technical information on measurements, calculations and biological effects is also provided within the standard and its appendixes.



ANSI Z136.3-2011

American National Standard for Safe Use of Lasers in Health Care

ANSI Z136.3 is recognized as the definitive document on laser safety in all health care environments. It provides guidance for the safe use of lasers for medicine, diagnostic, cosmetic, preventative and therapeutic applications in any location where bodily structure or function is altered or symptoms are relieved. Lasers used in these applications are incorporated into an apparatus referred to as a health care laser system (HCLS), which includes a delivery system, a power supply, mechanical housing and associated liquids and gases as required for operation of the laser.



ANSI Z136.9-2013

American National Standard for Safe Use of Lasers in Manufacturing Environments

This standard provides recommendations for the safe use of lasers and laser systems that operate at wavelengths between 180 nm and 1 mm. Laser applications in the manufacturing environment include, but are not limited to, material processing, fabrication, laser alignment, leveling, inventory, metrology, and machine vision.


ANSI Z136.4-2010

American National Standard Recommended Practice for Laser Safety Measurements for Hazard Evaluation

This Recommended Practice provides guidance for optical measurements associated with laser safety requirements. The information contained in this document is intended to assist users who are entrusted with the responsibility of conducting laser hazard evaluations to ensure that appropriate control measures are implemented. It contains clearly written definitions, examples, and other practical information for manufacturers, laser safety officers, technicians, and other trained laser users. This revision of the original 2005 standard harmonizes with the revised ANSI Z136.1 û 2007 Safe Use of Lasers standard, parent document and cornerstone of the ANSI Z136 laser safety standards series and the foundation of laser safety programs nationwide. Other changes include the addition of many new important terms and definitions as well as revised definitions from the 2005 standard. Significant revisions can also be seen in updated figures, tables and charts as well as revised and new sections throughout the standard.


ANSI Z136.2-2012

Safe Use of Optical Fiber Communication Systems Utilizing Laser Diode and LED Sources

This standard addresses hazards and provides guidance for the safe use, maintenance, service, and installation (manufacturer) of optical communications systems (OCS) utilizing laser diodes or light emitting diodes (LED) operating at wavelengths between 0.6 ?m and 1 mm and not intended for visual communications.1



ANSI Z136.6-2015

Safe Use of Lasers Outdoors

This standard provides guidance for the safe use of potentially hazardous lasers and laser systems (180 nm to 1 mm), in outdoor environments


ANSI Z136.8-2012

American National Standard for Safe Use of Lasers in Research, Development, or Testing

ANSI Z136.8-2012, Safe Use of Lasers in Research, Development, or Testing, is the latest offering in a range of vital resources for laser personnel. The Z136.8 standard arose from the increasing reliance on lasers in labs and other research-designated areas. It was developed to distinguish it from the parent ANSI Z136.1 Safe Use of Lasers document by: 1) Including two additional hazard analysis areas - beam path and beam interaction. 2) Summarizing proper procedure in unrestricted, restricted, controlled, exclusion and inaccessible locations. 3) Allowing the use of alignment eyewear, non-certified lasers, export controls, warning signs, including sample audit forms for labs and program reviews and deletion of some CDRH-based control measures. This standard includes policies and procedures to ensure laser safety in any area where research, development and testing is performed, including Universities, product development labs, private and government research labs (e.g., National Laboratories) and product testing settings. The standard is designed to be used in conjunction with the ANSI Z136.1.


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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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