Administrative Rules of Montana
Department 4 - AGRICULTURE
Chapter 4.11 - ENVIRONMENTAL MANAGEMENT
Subchapter 4.11.6 - Monitoring Procedures
Rule 4.11.604 - POINT OF STANDARDS APPLICATION TEST RESULTS
Current through Register Vol. 18, September 20, 2024
(1) The department will review and evaluate all official ground water test results. Official ground water test results will be classified as either:
(2) Negative detections will be entered into the departments ground water data base and reported to the affected person.
(3) Positive detections lower than 50% of the standard will be entered into the departments database, reported to the affected person, and will be noted as a well to be resampled to observe changes in agricultural chemical concentrations in the aquifer. The department will prepare a SMP under 80-15-212(1) (b) or (c), MCA, if additional monitoring demonstrates a scientifically-validated increase in agricultural chemical residues in ground water or if an agricultural chemical has migrated from the point of detection.
(4) Positive detections that meet or exceed 50% of the standards will be reported to the affected persons and resampled to confirm the results.
(5) If positive detections are confirmed, the following steps will be taken:
(6) An unofficial test result may be used to:
Sec. 80-15-105, MCA; IMP, Sec. 80-15-202 and 80-15-203, MCA;