Clean Air Building Certificate

Space Type: BOS-School
Establishment Name: Trotter William Monroe K 8
Address: address
City: Boston
State / Province: MA
Country: USA
Date: 03/21/2021
Data Source: School District
Performed by: External Company
Company Name Address Contact: Cashins & Associates, Inc. 599 North Ave #8, Wakefield, MA 01880
Requirement Source: Boston School 3 ACH guideline

Technology: Natural Ventilation Windows and Limited Univent HVAC
Min ACH: 1.6 Max ACH: 3.1 Avg ACH: 2.2 eACH: 0
Filter MERV:
Percent Outside Air: 62.1
ON and Ventilates Entire Indoor Area: Yes
Vent Clearance min 6 ft: Yes
No of Rooms: 6 sqft: 1134 cuft: 11340 No of Buildings: 1

Comments: Source Boston School District March 18, 2021. https://www.bostonpublicschools.org/Page/8463 . https://drive.google.com/file/d/1bzam7XeMQDjjv7Og_86PS41K78hBEOfT/view . assumed 10ft ceiling. wACH windows provided in dataset. Calculated wACH from measured CFM rates in dataset do not match. Differences due to errors. Did not use calculated wACH.

Room C131. % Outside air 69. Calculated air volume (cfm) outside 165. Calculated air volume (cfm) return 75. Combined air volume (cfm) 240. ACH outside 1.1. ACH merv filter return air 0.5. ACH total 1.6. ACH Copy paste check (uses total or outside) 1.1.

Room A202. % Outside air 53. Calculated air volume (cfm) outside 152. Calculated air volume (cfm) return 134. Combined air volume (cfm) 286. ACH outside 1.0. ACH merv filter return air 0.9. ACH total 1.9. ACH Copy paste check (uses total or outside) 1.

Room B233. % Outside air 58. Calculated air volume (cfm) outside 125. Calculated air volume (cfm) return 90. Combined air volume (cfm) 215. ACH outside 1.2. ACH merv filter return air 0.9. ACH total 2.0. ACH Copy paste check (uses total or outside) 1.2.

Room C242. % Outside air 54. Calculated air volume (cfm) outside 127. Calculated air volume (cfm) return 110. Combined air volume (cfm) 237. ACH outside 1.2. ACH merv filter return air 1.0. ACH total 2.3. ACH Copy paste check (uses total or outside) 1.2.

Room C247. % Outside air 51. Calculated air volume (cfm) outside 147. Calculated air volume (cfm) return 40. Combined air volume (cfm) 287. ACH outside 1.4. ACH merv filter return air 0.4. ACH total 2.7. ACH Copy paste check (uses total or outside) 1.4.

Room 113. % Outside air 72. Calculated air volume (cfm) outside 217. Calculated air volume (cfm) return 83. Combined air volume (cfm) 300. ACH outside 1.1. ACH merv filter return air 0.4. ACH total 1.6. ACH Copy paste check (uses total or outside) 1.1.

In the wake of the COVID-19 disaster many are calling for a paradigm shift in how citizens and government officials think about the quality of the air we breathe indoors. This Clean Air Certificate lets you know that those who operate this building are thinking about the air that we breathe in this building. They have disclosed the ventilation performance of this building so that we all become educated and we never have another indoor infection disaster again.