chapter - 1 introduction - Meghalaya State Pollution Control Board

Hills Cement Co. Limited.
1. February’ Ist 1 st 95 31 7.0 5.6 5.5 6.3 8.1 6.3 4.6 6.2
2008
2.
2 nd 107 21 7.4 6.6 6.0 6.5 6.4 8.9 7.2 8.9
3. IInd 1 st 105 28 4.9 5.5 3.7 4.7 7.7 6.4 4.7 6.3
4.
2 nd 98 28 5.0 4.6 3.5 4.4 7.9 6.7 5/0 6.6
5. IIIrd 1 st 105 20 4.8 4.2 3.5 4.1 6.1 5.0 3.3 4.8
6.
2 nd 108 29 5.9 6.1 4.4 5.5 9.4 8.0 7.9 7.9
7. IVth 1 st 110 42 8.1 8.5 6.6 7.7 12.6 6.0 12.1 10.6
8.
2 nd 97 23 6.6 6.1 5.5 6.1 10.4 5.8 8.8 12.9
1. March’ Ist 1 st 92 24 7.2 5.9 3.6 4.4 8.0 6.7 8.5 9.5
2008
2.
2 nd 97 34 6.3 5.0 4.2 3.8 9.0 7.8 7.6 13.7
3. IInd 1 st 100 19 7.1 7.0 5.8 3.8 8.2 5.7 7.6 10.3
4.
2 nd 102 18 4.7 8.2 5.2 4.5 11.3 8.5 9.4 10.1
5. IIIrd 1 st 100 18 5.9 4.4 7.0 3.3 6.7 9.8 12.0 9.2
6.
2 nd 114 25 5.0 7.2 6.1 5.1 10-.8 5.0 7.6 9.1
7. IVth 1 st 100 24 7.0 8.6 4.8 5.6 7.5 6.7 11.9 11.4
8.
2 nd 109 18 8.2 6.5 5.7 3.1 10.5 6.4 10.5 9.9
Min 87.0 18.0 3.1 4.8
Max 115.0 43.0 8.1 13.7
Mean 101.4 26.5 5.3 8.5
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