Illinois Administrative Code
Title 77 - PUBLIC HEALTH
Part 518 - FREESTANDING EMERGENCY CENTER CODE
Table C - Minimum Efficiency Reporting Values
Universal Citation: 77 IL Admin Code ยง C
Current through Register Vol. 48, No. 12, March 22, 2024
Notes:
1. ASHRAE Standard 52.2 tests are to be conducted at one of seven air flow rates.
|
118 FPM (.60 m/s) |
492 FPM (2.50 m/s) |
|
246 FPM (1.25 m/s) |
630 FPM (3.20 m/s) |
|
295 FPM (1.50 m/s) |
748 FPM (3.80 m/s) |
|
374 FPM (1.90 m/s) |
2. The air flow rate at which the filter was tested is included in the MERV rating (MERV 10 @ 2.5 m/s).
3. Filters with an E3 efficiency of less than 20% (MERV 1 through MERV 4) must also be tested for arrestance per ASHRAE Standard 52.1.
4. Final resistance must be at least twice the initial resistance at the test air flow rate, or the values shown in the table above, whichever is greater.
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