Particle Sampling in Space: A New Frontier

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Why are we sampling particles in space? Our understanding of the living conditions astronauts experience in the International Space Station (ISS) may be colored by our exposure to science fiction. Based on this experience, you might assume that an unknown airborne substance in a spacecraft was of alien origin, seeping in by accident or on […]

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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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Bentonite Testing

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  • 2:38PM Sep 21, 2018
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Oil and natural gas drilling companies are required to follow regulations from several different entities, including the Environmental Protection Agency (EPA) and state-level environmental agencies. Of particular concern is the possible contamination from spilled or released bentonite clay contained in most drilling fluids. Bentonite is a generic name describing the various clays formed from the […]

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Application of the Liquid Chromatography/Mass Spectrometer/Mass Spectrometer (LC/MS/MS) Instrument

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LC/MS/MS Instrument Arrives at RJLG Recently obtained by the RJ Lee Group, the liquid chromatography/mass spectrometer/mass spectrometer (LC/MS/MS) is an instrument with exceptional capability for both qualitative and quantitative analysis. It has remarkable sensitivity and is capable of providing fast and accurate identification of targeted compounds of interest. In many instances the instrument will be […]

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A New Chapter of Air Quality Monitoring Has Begun…

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RJ Lee Group is proud to announce our newest teaming partner, Montrose Environmental Group. Montrose is a strategic partner for the environmental analytical services market, helping to scientifically validate Proton Transfer Reaction Mass Spectrometry (PTR-MS) as an in-field technique for air quality monitoring. The company has a longstanding tradition in environmental measurement and analytical services, […]

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RJ Lee Group Offers Lower Detection Limits for Respirable Crystalline Silica

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New OSHA standards for respirable crystalline silica (RCS) have generated quite a bit of discussion among industrial hygiene and environmental health and safety professionals.  Enforcement of the new regulations began on September 23rd, 2017 for the construction industry, with a 30-day grace period so companies had ample time to implement control measures and address any […]

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