case_images: PMC11322565_01
case_images: Work-environment measurements of formaldehyde by year at the first workplace.
case_images: aoem-36-e17-g001.jpg
case_images: PMC11322565_01_aoem-36-e17-g001.jpg
case_images: F1
case_images: As a result of reviewing the work environment measurement results from 2005 to 2016 at the first workplace (Table 1, Fig. 1), it was found that workers were exposed to formaldehyde, formic acid, ammonia, and sodium hydroxide during the impregnation process.