There’s chatter in the remediation community regarding the viability of sonic injection of slurry reactants and reagents utilizing a ported sonic core barrel. It is alleged that this method will effectively install and distribute slurries using an onboard or auxiliary water or grout pump. While...
It’s true. The RPI Group approach to site remediation saves time and money. We stop the endless treatment train in its tracks. We understand that when remediation fails, the cost of the effort is compounded as the site remains open and time ticks away. And...
Cupid, save me from these hated things Caliche, chert – odd items as fill They used to bring direct push to a standstill Cupid you can you make my rig sing, By pre-drilling that hole and doing the GeoTapSM thing Cupid spread the love of direct push injection By guiding us...
It’s kind of an occupational hazard, I read labels. It is surprising what you can learn. At $36 dollars a gallon or more, given the recent price increases, the most highly marketed colloidal carbon, petroleum ”remedy” contains a little more than 25% activated carbon. What’s...
I’m retiring at the end of the year. What initially was just a sense of obligation to a good friend turned out to be a remarkable and successful 20-year journey. Stories like mine happen often in the most fun country on Earth, the United States of...
I read in the news that there is a salmonella outbreak in fresh onions. In July it was a listeria outbreak associated with chicken. Prior to that, it was spinach. Microbes are ubiquitous. Growing them is not magic. Growing the particular microbes you want is...
U.S. Patent & Appeals Board Denies IET Appeal for Rehearing of January Ruling Invalidating their “709 Patent" In our January 26, 2021 Newsletter we reported that a three judge panel of the Patent Trial and Appeals Board (PTAB) at the U.S. Patent and Trademark Office (USPTO) found that ”Petitioner...
For those of us in the environmental industry, the word "remediation" has a very specific meaning and conjures images of long abandoned industrial properties or contaminated sites where we may have worked. In Colorado, the city of Arvada has an extensive trail network. The more urban...
For decades, about all environmental professionals could do about contaminated groundwater residing in bedrock formations was to monitor periodically and form a pep club for Mother Nature. Times are changing and they are changing quickly. Almost 30 years ago, a TCE discharge was discovered in the...
As RPI® Group enters its 20th year, it is time for a bit of reflection. We are very grateful to the property owners, environmental consultants, and regulatory professionals who embraced something “new” early and eventually often. The remarkable growth of the market segment that Remediation Products,...