Presence of Mercury Indicates Potentially Counterfeit Version of Medication

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A client recently approached RJ Lee Group with a suspected counterfeit version of their patented injectable medication. Unlike the cloudy solution the company produces, the two samples provided were more translucent, almost clear. The client was concerned that the samples were either a counterfeit or contaminated version of their product, and asked our laboratory to […]

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Test Chamber Simulation Studies Confirm Respirator Effectiveness for Airborne Coal Dust

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A number of personal injury claims asserted that NIOSH-approved respirators worn by coal miners were tested using silica dust and therefore were not effective for miners exposed to airborne coal dust. The NIOSH method evaluated the performance of air-purifying respirators according to Title 30, Part 11 of the Code of Federal Regulations. A law firm […]

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Cemenet CO2 micrograph

Benchmark Well Cement / CO2 Publication Surpasses 200 Citations

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  • 1:10PM Mar 09, 2015
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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 […]

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Do Engineered Nanoparticles Emitted from Laser Printers have Health Implications?

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CHALLENGE: Characterize the engineered nanomaterials (ENMs) in toner formulations and study the release of the ENMs during consumer use of laser printers. Characterize their physiochemical, morphological, and toxicological properties. SOURCE: Printers from the four most commercially available manufacturers and models using a variety of printer toner powder and paper were used during printing. PROCESS: The […]

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Are There Health Implications from Exposure to Engineered Nanoparticles Emitted from Laser Printers?

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The following case study explores engineered nanoparticles released during laser printing. CHALLENGE: Characterize the engineered nanomaterials (ENMs) in toner formulations and study the release of the ENMs during consumer use of laser printers. Characterize their physiochemical, morphological, and toxicological properties. SOURCE: Printers from the four most commercially available manufacturers and models using a variety of […]

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NYS Vermiculite Webinar Series Part Three: Method 198.8

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  • 2:46PM Jan 22, 2015
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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.

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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

The Top 10 Things to Tell Your Petrographer

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  • 9:32AM Dec 18, 2014
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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, […]

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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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