Figure 8-30 Mistake-Proofing the Design of Health Care Processes - Figure 8.30. Automatic hemoglobin testing devices do not rely on visual judgments or complicated methodsSource: Example courtesy of Washoe County District Health Department. Used with permission.Return to Document Current as of May 2007 Internet Citation: Figure 8-30: Mistake-Proofing the Design of Health Care Processes -. May 2007. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/patient-safety-resources/resources/mistakeproof/mistakefig8-30.html