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Provectus Environmental > Our Posts > Abstract > Searching for the Right ISCR Amendment? Safer, Modern, Most Effective, and Field Proven Alternatives


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Posted on January 8, 2018 Categories: Abstract, Announcement, Article, Guidelines, Product Update, Technology Update No comments yet Provectus Solid ISCR Amendments

… safer, modern, most effective, field proven

Provect-ir® and Provect-irm® for Soils Conventional ISCR Amendment

Provect-ir® (US patents 7,129,388; 7,531,709) is our improved formulation of the original, solid ISCR amendment developed circa 2004 in part by scientists now at Provectus. This conventional ISCR amendment contains multiple (i.e., more than one) forms of controlled-release, hydrophilic organic carbon plus carefully selected ZVI (see ZVI technical data sheet) of various particle size, vitamins/nutrients, an organic binding agent, and chemical oxygen scavengers. The injectable Provect-ir amendment also contains guar to facilitate effective mixing in the field.

Similarly, Provect-ir for Soils is a specially formulated amendment for surface applications via soil mixing and land-farming to treat nitrogenous energetics and organochlorine pesticides in soils (see here for technical paper, or see here for comparative study); Contact us for a competitive price quotation.

PROVECT-IR® Solid Antimethanogenic ISCR Amendment

(View Tech Sheet)

Provect-IR® (US patents 7,129,388; 7,531,709; 7,828,974; 8,147,694; 9,221,699; patents pending) uniquely combines antimethanogenic reagents (AMR technology) such as a source of Monacolin K and other natural statins or essential plant oils to inhibit the growth and proliferation of Archaea (i.e.,methanogens). This unique mixture of reagents is combined into a single product to optimize the in situ chemical reduction of halogenated chemicals present in soil, sediment, and groundwater.
The distinctive combination of reagents promotes ISCR conditions for fast and effective destruction of targeted COIs while managing the production of methane during the requisite carbon fermentation processes. This promotes more efficient use of the hydrogen donor while avoiding potentially negative issues associated with elevated methane in groundwater, soil gas and indoor air (induced vapor migration, plume expansion, other potential health & safety issues).

PROVECT-IRM®  Solid, Antimethanogenic Reagent for ISCR and Heavy Metal Stabilization

Provect-IRM® (US Patent 9,637,731; patents pending) employs our proven ISCR technology to facilitate adsorption and precipitation reactions for heavy metal immobilization. It is composed of multiple reagents in a single product. Proven effective, with numerous international case studies Treats a wide range of contaminants Multiple hydrophilic, nutrient rich organic carbon sources Various particle size ZVI Chemical oxygen scavenger Made in the USA, Europe and Taiwan
Uniquely, Provect-IRM® inhibits the activity of methanogens during the synergistic ISCR processes. This greatly reduces the biosynthesis of highly toxic, mobile methylated (organo) metals, which can have very negative consequences since methylated metals are often more mobile and more toxic than their inorganic counterparts. As such, targeted metal species (e.g., arsenic, chromium, mercury, etc) are quickly sequestered for safe, long-term, stable immobilization. In addition to avoiding the potential safety issues associated with elevated methane in groundwater, soil gas and indoor air, Provect-IRM also promotes more efficient use of the hydrogen donor for more cost-efficient, more effective remedial actions.


Increased efficiency is the main benefit of controlling excessive methanogenesis during in situ remedial action using ERD or ISCR technologies (see Mueller et al 2014)

Click here to read more…


Following the addition of Provect-IR or Provect-IRM (or their conventional Provect-ir® counterparts with no active methane control technology) to an aquifer environment, several physical, chemical and microbiological processes combine to create an extremely reduced environment that stimulates dehalogenation and ultimately mineralization of otherwise persistent compounds.  As outlined herein, a combination of field measurements and laboratory analyses can be used to determine effectiveness of the ISCR processes… read more


Safe, effective emplacement of any amendment is a critical component of all successful in situ remediation projects. Upon request, Provectus will work with one of our preferred injection contractors to provide lump-sum (no change orders!), turn-key injection services in combination with our remedial amendments.
The materials are safe and easy to handle and could be applied by other competent contractors using some basic guidelines described here… read more
Our ISCR amendments have been successfully used in North America, South America, Oceania and EAMA. Various examples of these projects, along with lessons learned, can be found on our website.
Click Here for a free site evaluation, conceptual remedial design and material cost estimate (turn-key alternatives available upon request).

Contact us to schedule a private webinar, personal office visit, or another form of information transfer.

AMR technologyAntimethanogenicDick BrownDr. J. Greg BoothDr. James Muellerfermentable carbonISCRJan DolfingMonacolin KProvect-IRProvect-IRMZVI


ISCO and/or ISCR – How to Decide in 2017?

Posted on March 17, 2017

Potential Consequences of Excessive Methane Production Following ERD and Conventional ISCR Treatment: Case Studies and Remedial Alternatives

Posted on October 18, 2016

Reasons and Technology for Controlling Excessive Methanogenesis during Remedial Actions: Case Studies and Remedial Alternatives





AMR Antimethanogenic AquaBlok AquaGate+CH4 BAW S.r.l. Bioremediation CH4 DNAPL Dr. J. Greg Booth Dr. James Mueller Dr. John Haselow ERD ERD-CH4 ERD Reagent Exclusive Licensee EZVI EZVI-CH4 ferric oxide GMA Industries IET Inc. Inc. In Situ Chemical Oxidation In Situ Chemical Reduction ISCO ISCR Matt Geary Methane Methane Inhibitor Methanogenesis Mike Scalzi Partner Patents persulfate Provect-CH4 Provect-IR Provect-IRM Provect-OX Provectus Environmental Products Reagent Redox Tech RYR TESC US EPA Will Moody ZVI
