Understand Your Indoor Environment
An informed client makes better decisions. These guides explain the science behind mold, air quality, and environmental testing in plain language—grounded in published guidance from EPA, CDC, and recognized industry standards, not hype.
Mold & Your Health
What CDC and EPA actually say about mold exposure: commonly reported symptoms, higher-risk groups, and when to involve your doctor.
Read the guide →ScienceUnderstanding Mold
What mold needs to grow indoors, common indoor genera and what they suggest, and the truth behind the "black mold" and "toxic mold" labels.
Read the guide →MethodologyHow Mold Testing Works
Spore trap air sampling, wall cavity testing, HVAC evaluation, surface sampling, and how results are actually interpreted.
Read the guide →Advanced TestingERMI & Mycotoxin Testing
What these advanced tools measure, what EPA says about their limitations, and when they genuinely add value to an investigation.
Read the guide →GuidanceWho Should Get Testing
Sensitive individuals, homeowners with unexplained symptoms, buyers, renters, and property managers—when testing helps each situation.
Read the guide →ReferenceGlossary
Plain-English definitions of the technical terms used in environmental investigations—from ERMI to psychrometrics.
Read the guide →FAQFrequently Asked Questions
Answers to the questions we hear most about testing, health concerns, costs, scheduling, and reports.
Read the guide →Have a Question These Guides Don't Answer?
Every building is different. Talk to us about your specific situation.