Gunshot Residue Analysis for Law Enforcement – Webinar Series by RJ Lee Group

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  • 4:06PM Feb 26, 2015
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The following questions and answers are from the RJ Lee Group webinar series, “Gunshot Residue Analysis for Law Enforcement.” This was a two-part series. Day One discussed GSR Sample Collection & Submission, while Day Two will talk about laboratory analysis and testimoney considerations. Day Two’s Q&A will be posted within a few days of the […]

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Asbestos in Spray-on Fireproofing Containing Vermiculite (SOF-V) Webinar Transcripts

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  • 12:38PM Feb 05, 2015
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Webinar Series Transcripts Webinar #1 – Amphibole Asbestos in Vermiculite Webinar #2 – Asbestos Detection in SOF-V LAB.055.1 Method Overview Webinar #3 – Asbestos Detection in Vermiculite Spray-on Fireproofing (SOF-V) – Item No. 198.8 Webinar #1 – Amphibole Asbestos in Vermiculite Click here to download the webinar PDF Presenter:           Matthew S. Sanchez, Ph.D. Date:                    October 29, 2014 […]

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

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  • 5:04PM Dec 29, 2014
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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 […]

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Petrography is an important part of bridge construction

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

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  • 3:59PM Dec 09, 2014
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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 […]

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Vermiculite Questions and Answers – LAB.055.1 and 198.8

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  • 10:51AM Nov 06, 2014
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Vermiculite Questions and Answers – LAB.055.1* and 198.8 Recently changes to the New York State Department of Health’s (NYS DOH) requirements for vermiculite containing materials have made staying current and up-to-date with the guidelines for compliance critical. Thousands of structures across New York State with spray-on fireproofing containing vermiculite (SOF-V) are affected by these new regulations. RJ Lee Group […]

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Exploring the Merit of Non-Destructive nf-HEDM in Characterizing Textured Materials

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  • 1:57PM Sep 26, 2014
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In his presentation at the 8th International Symposium on Superalloy 718 and Derivatives on Wednesday, October 1, 2014 at the 10:00 AM in the Marquis Ballroom of the Marriott City Center in Pittsburgh, PA, Dr. Chris Hefferan will describe an OIM technology, near-field High Energy X-ray Diffraction Microscopy (nf-HEDM), that enables a new way of […]

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Instrumentation and Techniques

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  • 11:45AM Aug 25, 2014
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Reliable analytical results depend on many levels of expertise including using the right instrument, the correct sample preparation, and the best-suited technique. When that combination also includes expert and clear interpretation, you have results that not only provide answers, but answers that you can understand. Our materials experts are always ready to discuss the instrumentation […]

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Duplex Stainless Steel Atlas of Microstructures

Uncovering the Mysteries of Duplex Stainless Steels

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  • 1:50PM Jul 26, 2014
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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 […]

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