How is a meth lab decontaminated?

Former methamphetamine manufacturing sites require decontamination of volatile organic residues, iodine and phosphorus byproducts, and acid-stained surfaces. Protocols include porous material removal, HEPA air scrubbing, multi-stage surface washing, and post-remediation sampling against state-specific clearance thresholds. Michigan: MDHHS Meth Lab Remediation Guidance. Per IICRC S540.