The bill mandates the Environmental Protection Agency (EPA) to commission a study by the National Academies of Sciences, Engineering, and Medicine. This study will investigate the conditions warranting indoor mold assessment and remediation, along with proper and safe methods for these activities, with a report due to Congress within one year. Following this, the EPA, in conjunction with other federal agencies, must issue nonbinding national standards within two years to identify mold levels requiring action and outline appropriate assessment and remediation procedures.

To assist State and Tribal governments, the EPA is directed to establish a comprehensive program, taking into account the study results and national standards. A key component of this program involves awarding grants to these governments to establish and operate licensing programs for individuals engaged in mold assessment and remediation. The EPA will also provide technical assistance and administer training seminars to support these efforts, with an authorization of $50 million annually from fiscal years 2026 through 2030 for this section.

Furthermore, the bill authorizes the EPA to award grants to State and Tribal governments specifically for assessing and remediating mold in public buildings, including schools and housing, and in private residential properties. These grants can also cover temporary housing costs for up to six months for severely impacted, uninsured individuals who lack the financial resources for alternative housing. Grant recipients must implement a licensing program for mold professionals and prioritize low-income households and communities, as well as areas highly susceptible to mold contamination. The federal share for these activities is capped at 60 percent, with specific allocations for government buildings and private residences, and an additional $50 million per year is authorized for these grants from fiscal years 2026 through 2030.