Publications by authors named "George R Grimes"

Article Synopsis
  • The study examined Health Hazard Evaluations (HHEs) related to workplace cancer clusters from 2001-2020, focusing on different industries and cancer types.
  • Out of 5754 HHEs, only 174 raised cancer concerns, with most investigations (96%) concluding that these did not qualify as actual clusters or find a direct occupational cause.
  • The findings suggest that while workplace cancer cluster concerns persist, many do not demonstrate clear evidence of a cluster, highlighting the need for improved investigative methods in future evaluations.
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Purpose Of Review: To examine respiratory and skin diseases that occur among workers exposed to metalworking fluids (MWFs) used during machining processes.

Recent Findings: Five cases of a severe and previously unrecognized lung disease characterized by B-cell bronchiolitis and alveolar ductitis with emphysema (BADE) were identified among workers at a machining facility that used MWFs, although MWF exposure could not be confirmed as the etiology. In the United Kingdom, MWF is now the predominant cause of occupational hypersensitivity pneumonitis (HP).

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Objectives: Numerous states within the USA have legalized cannabis for medical or non-medical (adult/recreational) use. With the increased availability and use of cannabis, occupational and environmental exposures to secondhand cannabis smoke (SHCS) raise concerns over whether non-users may be at risk for a 'contact high', impaired neurocognitive function, harm from irritants and carcinogens in smoke, or potentially failing a cannabis screening test. The extent of health effects from potential occupational exposure to SHCS is unknown.

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Since 2004, the National Institute for Occupational Safety and Health (NIOSH) has received 10 cannabis-related health hazard evaluation (HHE) investigation requests from law enforcement agencies (n = 5), state-approved cannabis grow operations (n = 4), and a coroner's office (n = 1). Earlier requests concerned potential illicit drug exposures (including cannabis) during law enforcement activities and criminal investigations. Most recently HHE requests have involved state-approved grow operations with potential occupational exposures during commercial cannabis production for medicinal and non-medical (recreational) use.

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Background: Cannabis has been legalized in some form for much of the United States. The National Institute for Occupational Safety and Health (NIOSH) received a health hazard evaluation request from a Minnesota cannabis facility and their union to undertake an evaluation.

Methods: NIOSH representatives visited the facility in August 2016 and April 2017.

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The Occupational Medicine Forum is prepared by the ACOEM Occupational and Environmental Medical Practice Committee and does not necessarily represent an official ACOEM position. The Forum is intended for health professionals and is not intended to provide medical or legal advice, including illness prevention, diagnosis or treatment, or regulatory compliance. Such advice should be obtained directly from a physician and/or attorney.

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