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Licensed Industrial Hygienist Program

Signed into law in August of 1993, the Illinois Industrial Hygienists Licensure Act became the first voluntary licensing law in the United States regulating the Industrial Hygiene profession. This Act came about due to the increasing problems presented by various health and environmental problems.

The Illinois Environmental Protection Agency Safety Unit administers the licensing of qualified Industrial Hygienists for the State of Illinois. As of 2005, there have been over 225 industrial hygiene licenses issued in 13 states. For those industrial hygiene professionals seeking license information, qualification requirements, and LIH forms please click on the links below:

For more information please contact Blaine Kinsley, Manager Agency Safety Unit (217) 557-4701.

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Licensed Industrial Hygienist Program

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