Welcome to AOHP 2017 National Conference Agenda page. 

Start planning now to attend the 2017 AOHP National Conference in Denver, CO from September 6-9, 2017. It is never too early to make plans and to ensure that your time and expenses are budgeted to attend. If you need help to justify your conference attendance with your supervisor, contact AOHP Headquarters for assistance in articulating the value at info@aohp.org

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Friday, September 8 • 3:40pm - 4:40pm
New Disinfectants, New Risks, New Challenges!

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Improvements in patient room and surface disinfection and reducing healthcare associated infections continue to be important. Products are continually being introduced that promise valuable improvements including ease of use, greater efficacy, shorter contact times, and improved patient and staff safety. Challenges in selecting new products can include: chemicals put into use before worker health regulations exist; complaints by workers using them, even when assessed exposures are reported below the available occupational exposure limits; and limited data availability to assess risk to patients and others entering spaces after disinfection, often for longer periods than the cleaning staff. This session will focus on one emerging disinfectant, peracetic acid (PAA), as an example to illustrate challenges faced when trying to balance disinfection efficacy with environmental health and safety. Sampling methods for assessing occupational exposures can be limited and challenging, requiring very specific media and equipment. Results can vary widely from task to task and even for a single task performed by different staff members. Work-related health complaints are not uncommon and can be mild, such as sinus irritation, to more severe respiratory illnesses. Communicating that “exposure levels are below the OELs” does little to comfort those experiencing discomfort. Behavioral effects for staff members concerned about their health can reduce the efficacy of the disinfectant. Staff may work faster, not allowing for proper disinfectant contact and dwell times, or missing surfaces completely. The session will briefly summarize the characteristics of PAA including common product formulations and uses, and review sampling methods, results of case studies, challenges encountered with sample media and equipment, and other occupational hygiene considerations such as the impact of posture and work habits and sampling results. The session will also discuss impact to those staff members and patients who enter rooms after disinfection.


  1. List at least three common concerns associated with emerging surface disinfectants such as peracetic acid.
  2. Identify the media, equipment and lab methods available to assess for peractic acid and the common difficulties encountered during sampling.
  3. Discuss the impact of limited exposure assessment data for patients and non-cleaning staff.
  4. List three specific concerns regarding impact of patient and non-cleaning staff exposures to surface disinfectants.
  5. Recognize methods to reduce exposures during and after room disinfection.

avatar for John Martinelli

John Martinelli

Healthcare Practice Director, Forensic Analytical Consulting Services
John Martinelli is the Healthcare Practice Director for Forensic Analytical Consulting Services. With more than 30 years of experience in the field of environmental health, he has provided comprehensive hazmat and occupation hygiene assessments, project design and management to clients... Read More →

Friday September 8, 2017 3:40pm - 4:40pm
Silver - Mezz Level