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Health Hazard Evaluations (HHEs)

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All NIOSH Health Hazard Evaluation reports and other NIOSH publications are available at no cost. You can either download a copy of the publication from the website or contact us for a copy. For HHE reports, please send an email to HHERequestHelp@cdc.gov. Information about all other NIOSH publications is available at https://www.cdc.gov/niosh/pubs/.

We carefully review our reports prior to publication, but we do make errors from time to time. We regret any typographical or other minor errors that you might find. If you find a substantive factual or data-related error, let us know. Please send an email to HHERequestHelp@cdc.gov with the report number (ex. HHE 2013-0500-7500), the authors' names, the error you are reporting, and the page number of the error. We will look into your comments, fix confirmed errors, and repost the report. Thank you for your interest in the HHE Program.

HHE Search Results

69 HHE reports were found based on your search terms. Reports are listed in order of year published with the most recently published reports listed first.


Year Published and Title

(2019) Indoor environmental quality with limited surface sampling for metals at an office building. (Click to open report)
In December 2017, the National Institute for Occupational Safety and Health's Health Hazard Evaluation Program received a request from the union representing employees working in an office building. Employees were concerned about air quality throughout the building. Employee health concerns included breathing issues; eye irritation; skin lesions, and allergy attacks that they attributed to dampness and mold in the building, and particulates from the heating, ventilation, and air-conditioning sys... (Click to show more)

(2019) Potential occupational exposures to narcotics in a county evidence room. (Click to open report)
The Health Hazard Evaluation Program received a request from the manager of an investigations bureau within a county state's attorney's office who was concerned about potential employee exposures to narcotics in their evidence rooms. During our site visit, we walked through and observed the work environment of the 14th floor evidence room, sub-basement evidence room, and surrounding areas; inspected the ventilation systems; measured temperature, relative humidity, carbon monoxide, and carbon dio... (Click to show more)

(2018) Indoor environmental quality concerns among hospital employees working in a radiology department. (Click to open report)
The Health Hazard Evaluation Program received a request from a union representative at a hospital. The request concerned indoor environmental quality (IEQ), comfort issues including heat, and foreign particles coming out of the supply air vents in the Radiology Department and Magnetic Resonance Imaging (MRI) Suites. Employees reported symptoms such as eye, nose, and throat irritation and were concerned that breathing the particles would cause long-term health effects. We interviewed employees ab... (Click to show more)

(2018) Odors in a pet care product manufacturing office. (Click to open report)
The Health Hazard Evaluation Program received an employer request from a manufacturer of pet care products. Employees were concerned about exposure to odors that were reportedly traveling from the production area to the office area within the building, and whether these odors could harm their health. We looked for moisture, water damage, and inspected the wall that separates the office area from the production area. We measured carbon dioxide, temperature, relative humidity, ventilation airflow ... (Click to show more)

(2017) Health hazard evaluation report: evaluation of exposures and respiratory health at a coffee processing facility. (Click to open report)
In August 2015, the National Institute for Occupational Safety and Health (NIOSH) received a management request for a health hazard evaluation at a coffee processing facility. The request expressed concern about exposure to diacetyl (2,3-butanedione) during coffee roasting, grinding, and flavoring. In February 2016, we conducted a ventilation assessment, an industrial hygiene survey, and a medical survey. The industrial hygiene survey consisted of the collection of air samples and bulk samples o... (Click to show more)

(2017) Health hazard evaluation report: evaluation of eye and respiratory symptoms among employees at an indoor waterpark resort. (Click to open report)
The Health Hazard Evaluation Program received a request from a local health department to evaluate symptoms and exposures to chlorine and disinfection byproducts among employees at an indoor waterpark resort. When investigating complaints from waterpark resort patrons, local health department officials became concerned about eye and nose irritation, difficulty breathing, cough, and vomiting among employees. We surveyed employees about work-related symptoms. We evaluated the ventilation systems a... (Click to show more)

(2017) Health hazard evaluation report: evaluation of indoor environmental quality and health concerns in a commercial office building near a helipad. (Click to open report)
The Health Hazard Evaluation Program received a request from employees working in a commercial office building. They were concerned about potential exposure to fuel and other chemical odors that were believed to be from a nearby helipad. The building was also located near two large ferry terminals and a major highway. The employer reported that they had received employee complaints about fuel or chemical odors since moving into the building in 2009. Since 2012, over 300 odor incidents had been d... (Click to show more)

(2017) Health hazard evaluation report: evaluation of indoor environmental quality concerns in an elementary school. (Click to open report)
The Health Hazard Evaluation Program received an employee request from an elementary school. Employees were concerned about a perceived high incidence of cancers and other medical conditions and a possible association with the school's indoor environmental quality. We looked for moisture, water damage, and mold. We measured carbon dioxide, temperature, and relative humidity and looked at the ventilation systems in the building. We asked 89 employees about their work, medical history, and work-re... (Click to show more)

(2017) Health hazard evaluation report: evaluation of occupational exposures at an insect rearing facility. (Click to open report)
The Health Hazard Evaluation Program received a request from a federal agency on behalf of employees at a pink bollworm (moth) rearing facility. Managers and employees were concerned about indoor environmental quality and possible development of respiratory problems and allergies from exposures to chemicals, insects, and insect debris. We collected personal air samples for formaldehyde and inhalable particulate matter, and area air samples for moth scales and other insect debris. We interviewed ... (Click to show more)

(2017) Health hazard evaluation report: evaluation of ventilation and employee exposures to lead at an indoor firing range. (Click to open report)
The Health Hazard Evaluation Program received a request from an employer representative at an indoor firing range. The request concerned potential employee exposure to lead during routine tasks and range cleaning activities. Other concerns included the performance of the ventilation system and whether lead was migrating from the range to other areas of the building. We conducted a walk-through survey of the range to speak with employees and observe their work practices and personal protective eq... (Click to show more)


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