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. 2021 May 11;100(8):810–816. doi: 10.1177/00220345211014441

Table 1.

Volumetric Sizes and Mechanical Ventilation Rates of Dental Treatment Rooms.

Room No. Volume, ft3 SAF, ft3/min EAF, ft3/min ACHS ACHE ACHVENT Floor
002 815 82 27 6.0 2.0 6.0 0
003 787 69 27 5.3 2.1 5.3 0
008 1,221 149 103 7.3 5.1 7.3 2
012 1,015 152 64 9.0 3.8 9.0 2
019 686 59 400 5.2 35.0 35.0 1
021 861 75 51 5.3 3.6 5.3 1
022 833 55 46 3.9 3.3 3.9 1
031 962 337 210 21.0 13.1 21.0 2
032 667 289 220 26.0 19.8 26.0 2
033 970 211 220 13.1 13.6 13.6 2
Mean 882 148 137 10.2 10.1 13.2 N/A
SD 166 101 122 7.6 10.6 10.6 N/A

ACHE, air change per hour based on exhaust airflow rate; ACHS, air change per hour based on supply airflow rate; ACHVENT, air change per hour based on mechanical ventilation; EAF, exhaust airflow rate in cubic feet per minute; N/A, not applicable; SAF, supply airflow rate in cubic feet per minute.