Environmental Works, Inc.’s Investigation/Remediation (I/R) Department handles dozens of contaminated soil cleanups every year. Some of these jobs involve Superfund sites where remediation work is ongoing and can last years, or even decades. Other jobs are smaller and may last several weeks to a month. These projects usually involve the removal of contaminants through excavation …
Stormwater Pond Being Repaired by EWI Following Removal of Invasive Trees
In November 2020, Environmental Works, Inc. (EWI) used its specialized heavy equipment and expert operators to begin the comprehensive remediation and restoration of a stormwater detention pond that had sat untouched for almost 20 years back to its original state. The company spent several weeks removing non-native, invasive and nuisance vegetation and roots from the …
EWI Completes Removal of PCBs and Risk-Based Closure in KC
A typical building walkthrough by Environmental Works, Inc. (EWI) as part of a request for proposal (RFP) at a former federal compound in northeast Kansas City last September turned into a very atypical day. During the walkthrough, a group of EWI scientists led by Nick Godfrey, National Program Manager-Due Diligence, discovered numerous piles of dismantled …
EWI Cattail Remediation Plan for Retail Chain Sees Results in Second Year
Left unchecked, cattails can take over shallow ponds and wreak havoc on aquatic ecosystems. They can “dominate plant communities, reducing plant diversity and habitat for other organisms, and they can impede water flow through irrigation or drainage channels,” according to the website of the Noble Research Institute, “an independent nonprofit agricultural research organization dedicated to …
Learn How EWI Handles an Environmental Investigation Close to a Stream
Each service station site presents unique challenges and opportunities for scientists at Environmental Works, Inc. (EWI). For example, our Investigation/Remediation (I/R) department in Kansas City is currently monitoring for petroleum at a site in Northwest Missouri uphill from a perennial stream. The Missouri Department of Natural Resources (MDNR) tested for and documented petroleum hydrocarbon impacts …
EWI Completes Complicated Sinkhole Mitigation in Greene County, Missouri
When a sinkhole mitigation job at a department store in Greene County, Missouri, turned into the remediation of a complex karst geology site, Environmental Works, Inc.’s Investigation/Remediation (I/R) team had to get creative and work closely with regulators to determine how it was going to get the job done.
EWI Tests Superfund Site for Vapor Intrusion Using Sub-Slab Sampling Technique
On contaminated sites, concern over exposure to harmful chemicals can expand from groundwater and soil to indoor air. Such air pollution is called “vapor intrusion,” and “occurs when there is a migration of vapor-forming chemicals from any subsurface source (soil, water) into an overlying building,” according to the Environmental Protection Agency (EPA).
Stream Bank Stabilization Project Showcases Lesser Known Service Line
Matt Markum loves bidding on unique projects. So, when a bid request came across his desk from Great River Engineering for a stream bank stabilization project along Crooked Creek in Crawford County, Missouri, he jumped at the opportunity.
Brownfields Site Shows Off Efficiency of EWI Remediation Team
The efficiency and effectiveness of Environmental Works’ remediation team was recently on full display at a Brownfields project site in southwest Missouri.