Blog

Laboratory Testing Guide 2020 Published

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RJ Lee Group is proud to announce the release of our Laboratory Testing Guide 2020, which features many of the services, method, and analyses techniques offered by the company. In addition to the categories we have included from the past, including environmental and industrial hygiene services, materials characterization, criminal forensics, pharmaceuticals and other services. We have […]

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RJ Lee Group Provides Commercial PTR-MS & Support to Identify Secondary Organic Aerosol Precursors

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In a recent study, RJ Lee Group alongside researchers from multiple academic and industry entities such as Carnegie Mellon University and NOAA have worked jointly on identifying the sources for secondary organic aerosols (SOA) in source-rich urban environments. The team performed mobile sampling studies involving the highly sophisticated aerosol mass spectrometer (AMS) and two different […]

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PTR-MS and Indoor Air Research

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Indoor air quality research continues to grow substantially over the last several years. Most research prior to the 2010’s was focused on outdoor emission sources, rather than the indoor air; with people spending almost 90% of their indoors, indoor air quality has a severe impact on people’s health. A specifically problematic aspect air monitoring within […]

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April Snyder Featured in Modern Counsel’s Empowering Women Issue

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April Snyder, Construction Materials Laboratory Manager & Senior Concrete Petrographer at RJ Lee Group, is featured in October’s Empowering Women issue of Modern Counsel magazine. Performing petrographic analysis with the company since 1997, Ms. Snyder is a well-known subject matter expert in concrete circles, and was the first female to be elected president of an […]

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Philadelphia Refinery Explosion – Air Quality Impact

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On Friday, June 21, 2019 at 4:00 a.m., a massive series of explosions erupted on a South Philadelphia refinery complex. According to the Philadelphia Fire Department, a vat of butane had ignited and eventually exploded. The fire caused a thick cloud of smoke to cover the neighboring areas, particularly concentrated east of the refinery. RJ […]

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Trace Evidence Analyst Tarah Helsel Testifies in Bermuda

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Tarah Helsel, RJ Lee Group trace evidence analyst and gunshot residue (GSR) expert, recently testified in a Bermuda murder case. After explaining to the courtroom that lead, barium, and antimony are fused together and released in a cloud when the firearm is discharged, Ms. Helsel went on to clarify that these particles can also be […]

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Quality Additive Manufacturing Focus of Publication by RJLG’s Amber Dalley, Stephen Kennedy & Greg Kotyk

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The quality of powder feedstock can impact the quality of the parts built during the additive manufacturing process. Products may be contaminated by their environment during manufacturing, handling, or even during the building process. Because additive manufacturing is prevalent in high-performance industries, such as aerospace, medical, power generation and the military, it is crucial to […]

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Introducing Materials Insights: Concise, Focused Resource Articles from RJLG

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We are pleased to announce a new initiative by the experts at RJ Lee Group that conveys important material information to our readers in concise, focused resource articles. Every three weeks, our scientists will publish a new topic relating to their field of expertise as a Materials Insights article. Matthew J. Perricone, Ph.D., Principal Investigator and […]

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