The Pure Maintenance technology we use has been studied by the U.S. Army Corps of Engineers and tested in third-party laboratories. Below are the three papers that underpin the work we do in your home — with links to each PDF.
Three works document the technology Lone Star Pure Maintenance deploys: a multi-month field study by the U.S. Army Corps of Engineers, a compilation of third-party laboratory efficacy reports, and a technical white paper explaining why the vapor behaves like a gas. Skip ahead, or read each in order below.
A study with the Army Corps of Engineers demonstrating the effectiveness of Pure Maintenance's dry-fog mold treatment.
The U.S. Army needed a way to treat mold inside occupied barracks without removing structural materials or relocating soldiers. The Engineer Research and Development Center evaluated the vapor-based application system across two buildings and compared spore counts before treatment, immediately after, and again six months later.
The headline result — a sustained 95%+ reduction in spore counts at the six-month mark — is what makes this study load-bearing. Day-one efficacy is common across mold treatments; verified durability is rare. The fact that those reductions held over half a year, in occupied buildings, without retreatment, is the part of the report that does the most work.
The full ERDC technical report is hosted publicly by the U.S. Army Corps of Engineers digital library.
Exploring the sporicidal effectiveness of vapor peracetic acid (VPA) at the specific particle size (7.5μm) with correct dwell time.
"Good Laboratory Practice" is the methodological standard regulators apply to safety and efficacy studies — the same rigor used to evaluate pharmaceuticals. This compilation aggregates a series of third-party lab tests of vapor peracetic acid (VPA), the chemistry that powers the VaPURE™ treatment we deploy in your home. The two 2024 studies were run to GLP standards.
The compilation is hosted publicly and includes the methodology, organisms tested, and individual lab reports.
Objective verification of the VaPURE device's efficacy against mold spores.
This paper breaks down the physics of why VaPURE™ outperforms conventional methods. Three variables, working together, are what make the treatment behave like a gas rather than a liquid: particle size, phase change, and dwell time.
Particle size. At 7.5μm, each vapor droplet is roughly 1/9th the diameter of a human hair — small enough to suspend in air and travel anywhere air goes: wall cavities, ductwork, behind cabinets, into porous building materials.
Phase change. The treatment is delivered as a liquid that flashes to vapor on application, occupying the full air volume of the structure rather than coating only the surfaces a sprayer can hit.
Dwell time. The vapor remains in suspension long enough to denature mold proteins on contact — treating the spore rather than just dislodging it.
Together, these explain how a single in-place treatment can reach the 90% of the home where mold actually lives and where scrub-and-cut crews can only reach by tearing structural materials out.
A specialist visits your home, free for homeowners, and looks for the growth and the moisture source. You hear what treatment would involve before they leave.