MTBE Remediation

Trap & Treat® BOS 200+® for In Situ MTBE Remediation

When methyl tert-butyl ether (MTBE) moves farther and faster than the rest of the fuel signature, you need in situ remediation that controls the plume and drives closure. BOS 200+® delivers long-term MTBE remediation by pairing precise source control with sustained, in‑place biodegradation, giving you an MTBE contamination solution that align with remediation regulations and drives compliance. 

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Why BOS 200+® for MTBE and TBA?

BOS 200+® is purpose‑built for oxygenate plumes. It extends the BOS 200® platform with a pre‑conditioned activated carbon base plus complex carbohydrates, amino acids, nutrients, and time‑released terminal electron acceptors to support persistent degradation of MTBE and TBA, including where plumes “outrun” hydrocarbons. It performs under aerobic and anaerobic conditions and is insensitive to typical groundwater geochemistry, supporting reliable MTBE remediation in real‑world settings. 

Our Proven Approach to

How It Works 

The RPI® Trap & Treat® BOS 200+® system leverages nitrate and sulfate as terminal electron acceptors, together with its pre‑conditioned activated carbon matrix, to keep the microbial community active where it matters — in the treatment zone. That design aligns deployment with how oxygenates actually move and degrade in the field, pairing immediate adsorption with sustained in situ biodegradation. 

The two core principles of this MTBE contamination solution are simple.

  • Trap: Activated carbon immediately adsorbs MTBE to cut exposure pathways while the plume is brought under control. 
  • Treat: Pre‑conditioning (complex carbohydrates, amino acids, and nutrients) and time‑released terminal electron acceptors build a robust microbial community to biodegrade oxygenates in place, supporting enhanced MTBE bioremediation and MTBE source control under nitrate‑ and sulfate‑reducing conditions. 

Field‑proven results of the success of Trap & Treat® BOS 200+® for controlling exposure and treating MTBE contamination include:

  • MTBE decreases about 50-fold at a gasoline site after a BOS 200+® injection.
  • MTBE and TBA were below 10 μg/L within 10 months at another site, setting up long‑term compliance. 

Where BOS 200+® Excels

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Why Trust RPI® for MTBE Remediation? 

Partner with RPI® when you need safe deployment and performance in the subsurface. 

Our MTBE contamination solutions deliver: 

  • Proven outcomes with oxygenates: We have documented MTBE/TBA declines, including 50-times MTBE reduction and sub‑10 μg/L results within 10 months. 
  • Technology that works with the subsurface: Adsorption plus time‑released electron acceptors sustain biodegradation where the plume travels. 
  • Safe, durable solutions: There are no caustic, explosive, or toxic chemicals, and are environmentally friendly. 
  • Performance across real‑world conditions: These solutions are effective under aerobic/anaerobic conditions and are tolerant of high salinity and up to 30,000 mg/L TDS. 
  • Plan to placement strategies: RDC‑driven design and RPI®‑Group Approved Installers ensure treatment works and continues working. 

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