chapter - 1 introduction - Meghalaya State Pollution Control Board

Hills Cement Co. Limited.
1. February’ Ist 1 st 108 19 5.5 5.6 8.6 9.3 12.4 11.2 9.5 11.0
2008
2.
2 nd 102 18 4.2 5.6 7.0 7.5 12.1 10.5 8.8 10.4
3. IInd 1 st 90 18 6.7 4.0 5.7 6.7 10.8 9.5 7.8 9.4
4.
2 nd 94 25 8.5 5.8 4.6 5.5 14.7 13.5 15.0 14.4
5. IIIrd 1 st 96 24 7.2 7.8 7.1 7.8 11.6 10.5 8.8 10.3
6.
2 nd 92 18 6.3 8.8 7.1 8.3 13.6 12.2 7.3 12.1
7. IVth 1 st 97 25 7.1 12.0 10.1 11.2 10.4 9.2 8.3 9.1
8.
2 nd 100 33 4.7 8.9 8.3 8.9 14.7 13.2 7.2 13.1
1. March’ Ist 1 st 102 20 5.9 11.4 4.4 6.1 8.6 7.4 9.1 10.6
2008
2.
2 nd 102 19 5.0 9.5 3.8 7.1 6.5 7.5 11.3 12.9
3. IInd 1 st 106 24 7.0 8.2 3.8 3.9 9.6 7.8 7.9 9.5
4.
2 nd 98 34 8.2 7.6 4.5 5.1 11.3 8.9 12.1 13.7
5. IIIrd 1 st 100 19 7.0 7.1 3.3 4.4 6.7 8.6 8.8 10.3
6.
2 nd 105 18 7.0 6.7 7.9 4.8 7.2 7.4 8.5 10.1
7. IVth 1 st 110 18 7.4 6.2 5.6 5.4 7.4 6.0 7.8 9.2
8.
2 nd 112 25 4.9 5.8 8.9 3.9 8.0 5.8 7.4 9.1
Min 87.0 16.0 3.9 7.4
Max 112.0 41.0 11.2 14.4
Mean 99.2 24.5 6.5 10.4
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