The rules for licensing of environmental laboratories were approved by the Governor's Regulatory Review Council on December 5, 2006, and became effective the same day. The Environmental Laboratory Licensure Program's main phone number is (602) 364-0728.

• List of Licensed Laboratories with Parameters
  A list of all laboratories licensed by the state of Arizona for testing of drinking water, wastewater, solid waste and air.
• Safe Drinking Water Commercial Laboratory List
  A list of commercial laboratories licensed in Arizona to test drinking water samples for businesses and private citizens.
• Safe Drinking Water Commercial Lab List with Parameters
  A list of commercial laboratories licensed in Arizona to test drinking water samples for businesses and private citizens and the option to select a laboratory's list of licensed parameters (i.e. analytes and methods licensed for).
• Mission Statement
• Applicability and Exemptions
• Environmental Laboratory Advisory Committee (ELAC)
• Application for Licensure
• Contacts for Applications and Questions
• Inspection Appraisal Form: online form | printable form
• Inspection Appraisal Form Unannounced: online form | printable form
• ADHS - OLLTC Instrument Calibration Policy 07/18/2003
• AZPDES and APP Facility Information
• Links to Technical Resources Information Updates, Instrument Calibration Training, and Additional Resources

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