Arizona Administrative Code
Title 3 - AGRICULTURE
Chapter 5 - DEPARTMENT OF AGRICULTURE - STATE AGRICULTURAL LABORATORY
Article 1 - SAMPLING AND LABORATORY CERTIFICATION
Section R3-5-107 - Proficiency Testing Program

A. A person applying for laboratory certification shall participate in a PTP to demonstrate the ability of the laboratory to provide the agricultural laboratory service.

B. A person participating in an outside PTP shall provide the Assistant Director with its identification number and a copy of the results. The person shall pay the cost of the PTP.

C. The Department shall evaluate each laboratory based on comparative results obtained for each PTP sample. If the Department discovers a deficiency, the person applying for laboratory certification shall submit a corrective action plan to the Assistant Director.