I started this week off with a
great start. I have a good amount of contact plates with no problems of loss of
inventory. I prepared about six sleeves of 20 plates this week. Figure 1 below
shows the progress of perfect dome shaped above the rim of the plates being
prepared. I modified the dispensing of 17mL to 16mL because of the overflow and loss of plates.
|
Figure 1. The plates are being UV for further sterilization. |
|
Figure 2. The numbers correspond to the table 1 below of total Colony Forming Units. |
Plate # |
Total CFU |
Plate # |
Total CFU |
Plate # |
Total CFU |
Plate # |
Total CFU |
1 |
89 |
6 |
82 |
11 |
54 |
16 |
19 |
2 |
6 |
7 |
98 |
12 |
47 |
17 |
31 |
3 |
19 |
8 |
65 |
13 |
31 |
18 |
29 |
4 |
49 |
9 |
62 |
14 |
26 |
19 |
12 |
5 |
30 |
10 |
39 |
15 |
18 |
20 |
35 |
I, also, sampled the plates on two
locations around campus. The first location was room 221 of the DB building on
the second floor. Figure 2 above shows the area being monitored for fomites and
the corresponding plates to CFU’s. I noticed that as you move from the back to the front of the room the CFU's get smaller per plate.
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