ELAP FAQs


General

Q: Which laboratory tests require ELAP accreditation?

A: California Health and Safety Code § 100825 requires laboratories that perform analyses on any combination of environmental samples, or raw or processed agricultural products for regulatory purposes shall obtain a certificate of accreditation pursuant to this article. “Regulatory purposes” is defined as a statutory or regulatory requirement of a state board, office, or department, or of a division or program that requires a laboratory certified under this article or of any other state or federal agency that requires a laboratory to be accredited. ELAP provides accreditation for the testing procedures used to generate this data. ELAP does not accredit laboratories for methods used only for internal process control work.

Q: Which laboratory tests do not require accreditation?

A: The California Water Code § 13176 exempts field tests such as color, odor, turbidity, pH, temperature, dissolved oxygen, and disinfectant residual from the requirement that testing be performed in an accredited laboratory.

Proficiency Testing

Reciprocity Accreditation

Third-Party Assessments