Arizona Certified Laboratories Facilities

Welcome to the Arizona Department of Health Services Licensed Environmental Laboratories search page. Please read the following information for an explanation of terms and abbreviations used in a laboratory search.

The Office of Laboratory Services divides approved methods into four categories. The four categories are AIR, HW, SDW, and WW. AIR is used for any method that tests air particulates or emissions. HW is the abbreviation for hazardous and solid waste methods some of which are used to comply with RCRA. SDW is the abbreviation for safe drinking water methods which are used to comply with the Safe Drinking Water Act and the Clean Water Act. WW is the abbreviation for wastewater methods which are used to comply with the Clean Water Act.

There are four types of laboratories which are licensed, they include government, commercial (for profit), company (internal work only) and other (specified). In addition, the Department certifies mobile laboratories.

The list contains the laboratories current mailing address and contact information. This list is current as of Sunday, March 3, 2024 and is updated on a 24 hour basis by the Department.

All laboratories licensed by Arizona are inspected on a routine basis. Inspection reports and responses are available for review by contacting our office. If you are unable to find what you need, or need additional information, please contact our Office at (602) 364-0720 or fax (602)364-0759.

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