In situ substrate for groundwater

Plumestop (inset, right) is claimed to secure groundwater contaminant concentration reduction in days and to be effective on most organic groundwater contaminants.

REMEDIATION technologies specialist Regenesis announced the commercial launch of a fundamentally new and innovative remediation technology in May, called PlumeStop™ Colloidal Biomatrix.

As the name implies, it was developed to stop migrating groundwater contaminant plumes by rapidly reducing contaminant concentrations with a sorptive medium while also enhancing or accelerating microbial-driven biodegradation processes.
PlumeStop is said to be effective on a wide range of contaminants and provides “the first-ever colloidal biomatrix platform”, designed to eliminate rebound, stop matrix back-diffusion and meet stringent groundwater standards at contaminated sites. It can also be used to protect sensitive environmental receptors such as streams, rivers, ponds or lakes and to prevent contaminant migration across property boundaries.
The unique effectiveness of the technology is said to be derived from the first-ever use of a highly dispersible, fast-acting, sorption-based technology which captures and concentrates dissolved-phase contaminants within its structure or matrix. Once groundwater contaminants are sorbed (held) onto the matrix, natural biodegradation (bio) processes proceed at an accelerated rate, forming a highly effective “biomatrix.” According to Regensis, Plumestop secures groundwater contaminant concentration reduction very rapidly (in days) and is effective on most organic groundwater contaminants including hydrocarbons, halogenated compounds and a wide variety of volatile organic compounds (VOCs) and semi-volatile organic compounds (SVOCs).
Additional information about PlumeStop, including a detailed White Paper, is available online at