Health Evaluation Report 87-376-2018; U.S. Department of Justice United States Marshals Service Washington, D.C. [open pdf - 784KB]
"On July 29, 1987, the National Institute for Occupation Safety and Health (NIOSH) received a request for a Health Hazard Evaluation from the United States Marshals Service (hereinafter referred to as the Marshals Service) in Washington D.C. The Marshals Service requested NIOSH's assistance in testing the efficacy of recent renovations to the ventilation system of their indoor firing range."
HETA # 87-376-2018; Health Evaluation Report Number 87-376-2018
Centers for Disease Control and Prevention: https://www.cdc.gov/