EPA vs. ITRC Vapor Intrusion Guidance: What You Need to Know

EPA and ITRC guidance both aim to protect indoor air quality—but their approaches, requirements, and flexibility are very different. If you’re managing vapor intrusion risk, those differences matter. The framework you choose can impact timelines, regulatory negotiations, mitigation design, and ultimately, your project’s success.

Download our quick-reference guide to learn:

✅ Where EPA and ITRC guidance align—and where they don’t

✅ The key differences in screening tools, enforcement, and petroleum VI

✅ How each framework shapes risk assessment and mitigation strategies

✅ Which approach delivers more flexibility vs. more regulatory certainty

✅ Get the insight you need to avoid delays, reduce rework, and build a defensible VI strategy.