"Accreditation" means written acknowledgment that a laboratory has the policies, procedures, equipment, and practices to produce reliable data in the analysis of environmental samples.
"Commissioner" means the commissioner of health.
"Commercial laboratory" means a laboratory that performs tests on samples on a contract or fee-for-service basis.
"Environmental sample" means a substance derived from a nonhuman source and collected for the purpose of analysis.
"Field of testing" means the combination of analyte, method, matrix, and test category for which a laboratory may hold accreditation.
"Laboratory" means the state, a person, corporation, or other entity, including governmental, that examines, analyzes, or tests samples in a specified physical location.
"Sample" means a substance derived from a nonhuman source and collected for the purpose of analysis, or a tissue, blood, excretion, or other bodily fluid specimen obtained from a human for the detection of a chemical, etiologic agent, or histologic abnormality.