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Ventilation Design Handbook on Animal Research Facilities Using Static Microisolators 
Table 4.1.06 Tabular Variation of RH, NH 3 and NH 3 (ma x) with Day: Desired RH = 30-35 
percent. Lights Off 
Cage 
Group 
Day 
RH actual (percent) 
nh 3 
(g/hr/lOOgBW) 
NH3 (max) 
(e/hr/100g BW) 
1-4 
Test 1 
1 
71.3 
4.69E-04 
5.87E-04 
2 
66.1 
5.44E-04 
7.32E-04 
3 
70.4 
8.30E-04 
9.96E-04 
4 
62.9 
1.26E-03 
1.52E-03 
5 
61.4 
0.00E+00 
2.07E-04 
6 
54.4 
1.34E-03 
1.38E-03 
7 
52.6 
1.96E-03 
2.22E-03 
8 
58.4 
1.86E-03 
2.06E-03 
9 
61.4 
4.31E-03 
4.55E-03 
10 
57.1 
5.62E-03 
6.28E-03 
9-12 
Test 1 
1 
68.0 
5.67E-04 
6.38E-04 
2 
67.7 
5.24E-04 
7.59E-04 
3 
62.8 
6.99E-04 
8.39E-04 
4 
66.2 
1.23E-03 
1.44E-03 
5 
56.8 
1.29E-03 
1.42E-03 
6 
55.5 
1.59E-03 
1.65E-03 
7 
62.4 
2.59E-03 
2.69E-03 
8 
54.1 
2.04E-03 
2.24E-03 
9 
60.2 
4.71E-03 
4.78E-03 
10 
60.5 
3.43E-03 
4.01E-03 
1-4 
Test 2 
1 
69.7 
9.21E-05 
1.11E-04 
2 
59.6 
0.00E+00 
0.00E+00 
3 
62.6 
5.30E-05 
1 .06E-04 
4 
63.7 
2.89E-04 
3.06E-04 
5 
64.4 
5.94E-04 
6.29E-04 
6 
58.0 
1.05E-03 
1.10E-03 
7 
64.0 
1.02E-03 
1.41E-03 
8 
50.3 
- 
- 
9 
50.6 
3.68E-03 
4.66E-03 
10 
52.4 
2.75E-03 
3.82E-03 
