75-10-1303. Decontamination standards -- rulemaking authority -- samples, MCA

Montana Code Annotated 2025

TITLE 75. ENVIRONMENTAL PROTECTION

CHAPTER 10. WASTE AND LITTER CONTROL

Part 13. Methamphetamine or Fentanyl Contamination -- IndoorProperty Decontamination Standards

Decontamination Standards -- Rulemaking Authority -- Samples

75-10-1303. Decontamination standards -- rulemaking authority -- samples. (1) The decontamination standard for methamphetamine inside inhabitable property is less than or equal to 1.5 micrograms of methamphetamine for each 100 square centimeters of surface material unless a different standard is adopted by the department by rule to protect human health. The department:

(a) shall adopt standards by rule for the decontamination of fentanyl inside inhabitable property; and

(b) may adopt standards by rule for precursors to methamphetamine and fentanyl that are consistent with the standards for methamphetamine and fentanyl.

(2) (a) The department may by rule establish the number and locations of surface material samples to be collected based on the circumstances of the contamination and acceptable testing methods.

(b) In the absence of a rule described in subsection (2)(a), at least six samples must be collected from the surface material most likely to be contaminated at each property, including at least three samples from the heating, ventilation, and air conditioning systems at each property if present.

History: En. Sec. 3, Ch. 461, L. 2005; amd. Sec. 3, Ch. 93, L. 2021; amd. Sec. 5, Ch. 367, L. 2025.