Okla. Stat. tit. 27A, § 27A-2-4-101

As used in this article:

1. "Acceptable results" means a result within limits determined

on the basis of statistical procedures as prescribed by the

Department;

2. “Accreditation” means the act of certifying that a

laboratory maintains suitable standards and includes primary

accreditation and reciprocity accreditation;

3. “Analyte” means the characteristics of a laboratory sample

determined by an analytic laboratory testing procedure;

Oklahoma Statutes - Title 27A. Environment and Natural Resources Page 93

4. "Department" means the Department of Environmental Quality;

5. "Evaluation" means a review of the quality control and

quality assurance procedures, recordkeeping, reporting procedures,

methodology, personal qualifications, equipment, facilities and

analytical technique of a laboratory for measuring or establishing

specific parameters;

6. "Laboratory" means a facility that performs analyses to

determine the chemical, physical, or biological properties of air,

water, solid waste, hazardous waste, wastewater, or soil or subsoil

materials or performs any other analyses related to environmental

quality evaluations; and

7. “Letters of accreditation” means a document issued by the

Department showing those analytes for which a laboratory is

accredited.