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Iowa Headquarters: (515) 256-8814
Omaha: (402) 999-7740
Quad Cities: (563) 214-0237

Environmental Regulations, Petroleum Solutions, and More

Storm Water Sampling Requirements and Techniques

Specific industries and operations are subject to stormwater sampling requirements under the Iowa Department of Natural Resources (DNR) National Pollution ...
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What Do AST Owners Need To Know About Integrity Testing?

Most everyone is aware of the routine visual inspections required by the SPCC Rule; however, owners and operators of fuel ...
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What is a wetland delineation and why do I need one?

Prior to settlement, Iowa was once home to 4-6 million acres of wetlands. Today, approximately 95% of Iowa’s wetlands have ...
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Welcome to Evora Group

This summer, Barker Lemar is proud to be celebrating 25 years of serving the Solid Waste, Environmental, and Petroleum industries.  ...
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You need an environmental driller. Now what?

Whether you need to monitor the soil and groundwater on a site, install a new well, or abandon an existing ...
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From all of us at Evora – Thank you!

To the recycling and municipal solid waste teams, as well as the petroleum and c-store owners and employees – we ...
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Important Message from Evora Group

As part of the Evora Group family, we hope this message finds you and your loved ones well as we ...
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Evora Group welcomes Environmental Driller, Josh Van Every to the Evora Family!

As a licensed driller with over 10 years of industry experience, Josh joins the firm as our Environmental Drilling team ...
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PFAS to be included in TRI Reporting

The EPA intends to start tracking releases of per- and polyfluoroalkyl substances (PFAS) and determine the potential impact. To do ...
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Iowa EASY Air

Iowa EASY Air The Iowa Department of Natural Resources has officially released an online option to complete air quality construction ...
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