This commercial client requested the industrial hygiene (IH) study to evaluate employee exposure while adding and mixing chemicals for a production process followed by cleaning of the equipment. Sample analysis was for several key ingredients of concern. Personnel sample pumps and dosimeter badges were utilized for the multiple chemical monitoring. Sample results for the project were compared with regulatory and industry occupational exposure limits (OELs) such as OSHA, NIOSH, and ACGIH for an 8-hour time-weighted average (TWA) exposure for the work task. Clean Air Sciences, Inc. incorporates the most practical sample methods that allow employees to have as little obstruction to their work activity as possible for the purposes of safety, productivity, and employee comfort. November 2017 project.