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Proven Leader in Ohio’s VAP
Since 1994, we have been recognized as a leader within Ohio’s VAP / Brownfield Redevelopment Program. Our experience includes site assessments, soil and groundwater sampling with our own Geoprobes®, human health-based risk assessments under VAP standards, soil gas sampling, indoor air sampling, and vapor intrusion modeling.

Women Owned Business
HZW is recognized by the City of Cleveland as a Female Business Enterprise (FBE) and by Cuyahoga County as a Small Business Enterprise (SBE). We are proud to boast an experienced, technically advanced team trained and ready to address a wide range of environmental situations.


Looking for the Nursery?
If you are inquiring specifically about native plants for a restoration project, our Ohio Native Habitat Nursery team is ready to assist with species selection and ecological planning.
Visit the NurseryYou asked, we answered.
Here are some of the most common questions we hear about our environmental compliance services, and how we help our clients stay compliant and efficient.
We work with industrial, municipal, and commercial clients. Any organization that needs support with environmental regulations, permitting, or ongoing compliance management can count on our environmental compliance services.
Yes! If this is something you need, we can provide guidance, training, and support so your team knows what’s required and how to keep your facility compliant on a day-to-day basis.
Absolutely. Once permits are in place, we help establish recordkeeping and reporting routines that make it easy to stay on top of requirements and maintain continuous compliance.
By focusing on practical, solutions-oriented compliance that meets regulatory requirements, we minimize operational disruptions and control costs. We do what needs to be done without overcomplicating the process or creating unnecessary burden for your team.
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