Percent Monthly and Cumulative Excursions Rate of Microbial Counts of Active Air Sampling in Classified Area Grade B
| Month | # of Samples Tested per Month | Cumulative # of Tested Samples | # of Excursions per Month | Cumulative # of Excursions | Monthly % Excursions | % Cumulative Excursions Rate |
|---|---|---|---|---|---|---|
| Jan | 5 | 5 | 1 | 1 | 20.0 | 20.0 |
| Feb | 4 | 9 | 0 | 1 | 0.0 | 11.1 |
| Mar | 2 | 11 | 0 | 1 | 0.0 | 9.1 |
| Apr | 5 | 16 | 0 | 1 | 0.0 | 6.3 |
| May | 4 | 20 | 0 | 1 | 0.0 | 5.0 |
| Jun | 5 | 25 | 1 | 2 | 20.0 | 8.0 |
| Jul | 5 | 30 | 1 | 3 | 20.0 | 10.0 |
| Aug | 4 | 34 | 0 | 3 | 0.0 | 8.8 |
| Sep | 4 | 38 | 1 | 4 | 25.0 | 10.5 |
| Oct | 5 | 43 | 0 | 4 | 0.0 | 9.3 |
| Nov | 6 | 49 | 1 | 5 | 16.7 | 10.2 |
| Dec | 5 | 54 | 0 | 5 | 0.0 | 9.3 |