Most indoor air quality problems can be solved via trained in-house staff.
Hansen
S J
SJ
D000397:Air Pollution / Q000517:prevention & control*; D004784:Environmental Monitoring / Q000592:standards*; D007324:Institutional Management Teams; D008284:Maintenance and Engineering, Hospital / Q000458:organization & administration*; D011340:Problem Solving; D011786:Quality Control; D014481:United States