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Aggressive Approach to Brownfield Site Accelerates Redevelopment Timeline

Vice President of Technology Eliot Cooper explains how we helped our client reach No Further Action (NFA) status using Cascade Chemistries product CleanER iZVI and an aggressive remediation approach.

View Case Study >>

Ask the Expert

“When is thermal treatment more cost effective than other remediation technologies?”

Several conditions can make in situ thermal remediation (ISTR) the most cost effective approach, high contaminant mass being one of them. If your site is too deep and can’t be excavated cost-effectively, that’s also a sweet spot for ISTR.

When the site is located under existing infrastructure—like buildings, roads, utility lines, or anything else that can’t be temporarily removed—thermal is often selected simply because we can do it in situ underneath existing structures.

If schedule is the driver—for example, if the client is a developer who can’t do anything with the site until environmental concerns are removed—thermal technologies are a good fit because the certainty of getting to the clean-up goals within a specific timeframe is high.

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Nikole Huard photo

Technology Spotlight: CleanER iZVI

CleanER iZVI is a colloidal zero valent iron for chlorinated solvent remediation that can also be applied to hazardous metals and herbicides/pesticides. It’s a precisely blended liquid-suspension concentrate that is injected to address chlorinated volatile organic compounds (CVOCs) and heavy metal contaminants, such as hexavalent chromium, arsenic and selenium.

Learn more about how it works and when it might be right for your sites.

CleanER iZVI injection process

Stop by to see us at the following events:

Industry News

  • California Department of Toxic Substances Control issued its Vapor Intrusion Update to guide selection of attenuation factors. [link]
  • Environmental Working Group released updated interactive map of documented PFAS contaminated water systems. [link]
  • Environmental Justice Action Plan finalized by the EPA. [link]
  • Concerns raised about who pays for cleanup under EPA’s new Hazardous PFAS Plan. [link]
  • White House announces $169M in brownfields grants now available. [link]
  • $11M award from NIH to Wayne State University will fund research on VOC impacts. [link]
  • Networking group for women in environmental services industry debuts. [link]

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