case_images: PMC4236418_01
case_images: PMC4236418_02
case_images: Cleanroom workers inside the cleanroom. a. Inside the cleanroom, workers are assembling with components of endoscopic devices with chloroform adhesives. b. The cleanroom is covered up tightly.
case_images: 40557_2014_49_Fig1_HTML.jpg
case_images: PMC4236418_02_40557_2014_49_Fig1_HTML.jpg
case_images: Fig1
case_images: This small business is consists of 12 workers. 4 workers are mainly assigned to the cleanroom work (Figure 1).
case_images: The percentage of outdoor air recirculated can be calculated by inputting the tracer values into this formula.
case_images: 40557_2014_49_Fig2_HTML.jpg
case_images: PMC4236418_02_40557_2014_49_Fig2_HTML.jpg
case_images: Fig2
case_images: Therefore, we determined the outside air ventilation rate by inputting the tracer values into the formula below (Figure 2).