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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

62 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

(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)

(2016) Health hazard evaluation report: evaluation of indoor air quality concerns at an outpatient medical clinic in a shared-use building - West Virginia. (Click to open report)
NIOSH received a management request to conduct a health hazard evaluation at an outpatient medical clinic in West Virginia. The request cited concerns about indoor air quality in the building. Clinic employees reported nausea, headache, dizziness, confusion, fatigue, burning eyes, numbness of hands and fingers, tingling around lips, metallic taste, itching, and reduced work productivity. We held voluntary confidential interviews with individual employees who wished to discuss their symptoms and ... (Click to show more)

(2016) Health hazard evaluation report: evaluation of indoor environmental quality and health concerns in a juvenile court building. (Click to open report)
The employer at a juvenile court and detention building requested help in evaluating exposure to raw sewage, leaks from an underground diesel storage tank, and mold. We evaluated these concerns and measured carbon dioxide, temperature, relative humidity, and ventilation airflow. We saw no evidence of a current mold or sewage problem in the building. The underground diesel storage tank was inspected and maintained. However, we identified several correctable problems including inadequate building ... (Click to show more)

(2016) Health hazard evaluation report: evaluation of indoor environmental quality and health concerns in a public university. (Click to open report)
University managers requested help to address employee concerns about mold in a campus building. We evaluated the building ventilation systems. We checked for moisture, water damage, and mold. We measured carbon dioxide, temperature, and relative humidity. We saw no widespread mold or water damage. Relative humidity levels in some areas were above 65%. These levels can help microorganisms and dust mites grow. The building had unit ventilators and window air-conditioners, not a central ventilatio... (Click to show more)

(2016) Health hazard evaluation report: evaluation of odors and surface residues in a medical research facility. (Click to open report)
Medical center employees requested a health hazard evaluation. They were concerned about indoor environmental quality, odors, and a residue on top of shelves. Employees felt that odors were causing nausea, headache, sinus problems, and aggravation of asthma. We evaluated the ventilation system. We collected air samples in the building and on the roof, and bulk samples of residue from shelves in some laboratories. We found supply air intakes on the roof pulling building exhaust air into the build... (Click to show more)


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