Credits IEQc3.2 IEQc3.2 IEQc3.2 IEQc3.2 IEQc3.2 IEQc3.2 IEQc3.2 IEQc3.2 IEQc3.2 EQc3.2 This EPA website offers detailed information on exhaust or spot ventilation practices during construction activity. Resource type Web Tools Link http://www.epa.gov/iaq/schooldesign/controlling.html
