Test Chamber Simulation Studies Confirm Respirator Effectiveness for Airborne Coal Dust

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  • 4:49PM May 16, 2016

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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Do Engineered Nanoparticles Emitted from Laser Printers have Health Implications?

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  • 4:21PM Feb 17, 2015

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.   […]

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

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  • 10:44AM Feb 17, 2015

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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Multi-Faceted Support for International Liquefied Natural Gas Production

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  • 4:07PM May 15, 2014

RJ Lee Group provides significant technical support to Fortune 500 companies for international liquefied natural gas production, including those involved in energy production. Technical challenges that are already significant become magnified when working across continents, cultures, and environments – e.g., the middle east is particularly harsh from a corrosion standpoint. In this example, RJ Lee […]

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Establishing the WTC Dust Signature: Managing Post 9/11 Environmental and Damage Assessments

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  • 2:52PM May 15, 2013

The collapse of the World Trade Center Towers following the catastrophic events of 9/11 produced a dust cloud that covered much of lower Manhattan. Thousands of private and public buildings were contaminated by the dust. Building owners in the vicinity of the collapse, worried about environmental impact to their damaged buildings, retained RJ Lee Group […]

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Industrial Plants Can Face Costly Nuisance Dust Claims

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  • 2:46PM May 15, 2013

Industries whose production or manufacturing facilities emit particulate are subject to EPA and other regulatory standards. To meet these standards, industry carefully regularly monitors the amount of particulate produced and is concerned with any residue generated by their facilities. A citizens group (plaintiff) filed a lawsuit against an industry defendant claiming that nuisance particulate from […]

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Nanotechnology- RJ Lee Group Designs and Conducts a Multiphase Study

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  • 1:56PM May 15, 2013

Nanotechnology – the Good and the Unknown Nanotechnology is the engineering of functional systems at the molecular scale. This technology has already improved our lives with cleaner and more cost-effective energy sources and more efficient drugs. However, the unique properties exhibited by unbound engineered nanoparticles (UNP) can also potentially cause adverse health effects to workers […]

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