Cemenet CO2 micrograph

Benchmark Well Cement / CO2 Publication Surpasses 200 Citations

Post by:
  • 1:10PM Mar 09, 2015
  • Comments off

According to Google Scholar, “Degradation of Well Cement by CO2 under Geologic Sequestration Conditions,” a research paper jointly authored by the U.S. Department of Energy, Carnegie Mellon University, and RJ Lee Group, has now been cited more than 200 times in scientific journals. The first paper in a series of three, this publication focuses on […]

Read More

NYS Vermiculite Webinar Series Part Three: Method 198.8

Post by:
  • 2:46PM Jan 22, 2015
  • Comments off

Recent guidelines issued by the New York State Department of Health regarding spray-on fireproofing containing vermiculite (SOF-V) may affect thousands of structures across the state. RJ Lee Group is helping to clarify these requirements for building owners and inspectors with a webinar series focused on the two accredited analysis methods, LAB.055.1 and 198.8.

Read More

2014: A Year of Discovery and Innovation at RJ Lee Group

Post by:
  • 5:04PM Dec 29, 2014
  • Comments off

2014 was a year that, while demanding, was also challenging and exciting. We adjusted to meet the impact of reduced government spending, the slowing of the global economy, and the overall fiscal uncertainty felt by our customers that eventually reflected in our revenues. Fortunately, we were able to recoup this setback and by the third […]

Read More
Petrography

The Top 10 Things to Tell Your Petrographer

Post by:
  • 9:32AM Dec 18, 2014
  • Comments off

If you want solid answers to your concrete questions, a petrographer can help. Petrographers use a combination of visual inspection, microscopy, and chemical techniques to examine concrete cores. These analyses provide a basis for understanding the condition of the material, why it failed, or the material’s remaining service life. If you are submitting concrete cores, […]

Read More
Petrography is an important part of bridge construction

What Can Petrographic Analysis Tell You About the Condition of Concrete Structures?

Post by:
  • 3:59PM Dec 09, 2014
  • Comments off

According to a 2013 Report Card for America’s Infrastructure, 1 in 9 bridges in metropolitan areas are structurally deficient. The estimated investment needed to eliminate the backlog of deficient bridges by 2028 is $20.5 billion annually—that’s $8 billion more per year than currently invested. Recently, CBS addressed the topic of crumbling roads and bridges in […]

Read More

New York State Vermiculite Regulations: Decision Time for Building Owners

Post by:
  • 3:50PM Aug 14, 2014
  • Comments off

The New York State Department of Health (NYS DOH) has officially certified method LAB.055.1* for the analysis of spray-on fireproofing that contains vermiculite (SOF-V). RJ Lee Group developed LAB.055.1 and is the only laboratory accredited to perform this test. History: In June 2012, the (NYS DOH) provided guidance that the current methods for analyzing vermiculite-containing […]

Read More
Duplex Stainless Steel Atlas of Microstructures

Uncovering the Mysteries of Duplex Stainless Steels

Post by:
  • 1:50PM Jul 26, 2014
  • Comments off

As early as the 1930s, companies were researching the development of duplex grades of steel that were more resistant to cracking and corrosion, but it wasn’t until the 1960s and 1970s when improvement in refining techniques resulted in better product quality, that major progress was made. Since that time, the use of duplex stainless steels […]

Read More

PVC Pipe Failure Results from Improper Installation

Post by:

Polyvinylchloride (PVC) is one of the most widely produced plastics in the world and accounts for approximately 70% of new buried water distribution and sanitary sewer pipes being installed in the U.S. and Canada today. With so much more PVC in use today, there are more situations in which pipes can fail. Whether caused by […]

Read More

Asbestos Contamination: Examining Take-Home Exposure Risks

Post by:
  • 10:00AM May 14, 2014
  • Comments off

Asbestos contamination has been a prominent inhalation hazard in many occupational environments and, as a result, many studies have been undertaken to measure airborne asbestos concentrations associated with the manufacture and use of asbestos-containing products in hundreds of workplace settings. In addition to concerns about the workplace, exposure to asbestos has been reported for individuals […]

Read More