RJ Lee Group Attains ISO/IEC 17025:2005 Accreditation for Materials Characterization

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RJ Lee Group has obtained the ISO/IEC 17025:2005 Accreditation for its headquarters in Monroeville, Pa. This ISO specifies the competence requirements to perform tests and/or calibrations, including sampling. Specifications include calibration and testing performed using standard methods, non-standard methods, and lab-developed methods. All organizations that perform testing and/or calibrations may apply for the ISO, including […]

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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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RJ Lee Group Opens New Southpointe Location in Canonsburg, PA

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  • 3:49PM Sep 28, 2015
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RJ Lee Group is proud to announce its new Southpointe location in Canonsburg, PA. The Southpointe development is quickly becoming known as the center of the Marcellus Shale industry, and is about an hour from RJLG’s Monroeville headquarters outside Pittsburgh, Pa. The base for our Information and Software Services department, the new office is in […]

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Pan section of an Armored Face Conveyor (AFC).

Corrosion Fatigue in Longwall Mining

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  • 12:48PM May 29, 2014
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What is Corrosion Fatigue? Corrosion fatigue is the combined action of fatigue and corrosion. It can produce a failure in fewer cycles and lower loads than if either corrosion or fatigue were acting alone. Of all corrosion failure mechanisms, it is the most difficult to identify especially in the presence of low-frequency loading. At very […]

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Asbestos Contamination: Examining Take-Home Exposure Risks

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  • 10:00AM May 14, 2014
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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 […]

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Game Changing Regulation for Respirable Crystalline Silica? New Industries and New Challenges

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  • 9:23AM Sep 16, 2013
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OSHA has proposed new standards for respirable crystalline silica exposure and a new uniform airborne permissible exposure limit (PEL), calculated as an eight-hour time-weighted average. The agency has identified 25 industry subsectors encompassing approximately 130 industrial and maritime operations in which exposure to respirable crystalline silica is common during operations such as cutting and grinding […]

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State-of-the-Science Assessment of Non-Asbestos Amphibole Exposure: Is There a Cancer Risk?

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  • 1:29PM Apr 12, 2013
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In an article published in the peer-reviewed Environmental Geochemistry and Health journal, Mr. Drew Van Orden of RJ Lee Group, Inc., in conjunction with Cris Williams, Linda Dell, Robert Adams and Tracie Rose, discuss amphibole asbestos fibers and non-asbestos amphibole particles, focusing on potential cancer risks and exposure. Read the abstract:

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