ZMassociates Environmental Corporation

ZMassociates Environmental Corporation is a leading environmental and strategic consulting firm based in Irvine, California.

We specialize in providing comprehensive solutions to complex environmental challenges, assisting public and private sector clients with a wide range of services.

ZMassociates distinguishes itself through its deep expertise in areas such as Air Dispersion Modeling (using AERMOD and CALPUFF), Ecological and Human Health Risk Assessments, Vapor Intrusion Modeling, and Greenhouse Gas Inventory. Our team of experienced professionals delivers reliable data and strategic guidance to ensure regulatory compliance and minimize environmental impact.

Founded in 2002 and now operating in Irvine, CA and Portland, OR, ZMassociates is a Certified & Verified Service Connected Disabled Veteran Owned Business Enterprise (SDVOSB), offering over 40 years of experience and a commitment to delivering exceptional results. We also provide CEQA & NEPA Air Studies, Environmental Compliance Support, and expert witness services.