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Untitled Document
ENVIRONMENT TABLE 1
NUMALIGARH REFINERY LIMITED |
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QUARTERLY PERFORMANCE WITH RESPECT TO ENVIRONMENTAL ASPECTS |
DURING THE QUARTER APRIL-JUNE' 2010 |
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1. Liquid Effluent |
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1.1 Quantity |
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April'10 |
May'10 |
June'10 |
Cummulative |
Cumm. for the year |
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April-June'10 |
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| Quantity of Effluent Discharged, M3 |
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0 |
0 |
0 |
0 |
0 |
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| Effluent Discharged, M3/1000 MT of Crude Processed |
0 |
0 |
0 |
0 |
0 |
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1. Liquid Effluent |
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1.2 Quality |
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Liquid Effluent Pollutant Levels |
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| Sl.No. |
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CONC. in mg/lit. |
CPCB |
Actual |
CPCB STD. |
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PARAMETERS |
NO. OF |
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STD. |
kg/1000 MT of crude |
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OBS. |
MAX. |
MIN. |
AVG. |
(mg/lit) |
processed |
| Sl no. 1-8 analysed once in a day. |
| 1 |
pH |
91 |
8.5 |
6.0 |
7.2 |
6-8.5 |
-- |
-- |
| 2 |
OIL & GREASE |
91 |
<2.0 |
<2.0 |
<2 |
5.0 |
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| 3 |
BOD3 |
91 |
10 |
6 |
6.6 |
15.0 |
5.8 |
6.0 |
| 4 |
COD |
91 |
73 |
48 |
54.2 |
125.0 |
47.5 |
50 |
| 5 |
SS |
91 |
18.4 |
7.0 |
8.8 |
20.0 |
7.7 |
8.0 |
| 6 |
Phenol |
91 |
0.30 |
0.12 |
0.14 |
0.35 |
0.12 |
0.14 |
| 7 |
Sulphides |
91 |
<0.1 |
<0.1 |
<0.1 |
0.5 |
0.01 |
0.2 |
| 8 |
CN |
91 |
<0.002 |
<0.002 |
<0.002 |
0.2 |
0.00 |
0.08 |
| Sl no. 9-21 analysed once in a month. |
| 9 |
Ammonia as N |
3 |
7.9 |
6.5 |
6.7 |
15.0 |
5.9 |
6 |
| 10 |
TKN |
3 |
17.5 |
11.8 |
15.6 |
40.0 |
13.7 |
16 |
| 11 |
P |
3 |
0.40 |
0.08 |
0.2 |
3.0 |
0.21 |
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| 12 |
Cr (Hexavalent) |
3 |
0.0 |
Nil |
0.0 |
0.1 |
0.00 |
0.04 |
| 13 |
Cr (Total) |
3 |
Nil |
Nil |
Nil |
2.0 |
0.00 |
0.8 |
| 14 |
Pb |
3 |
0.14 |
0.01 |
0.05 |
0.1 |
0.04 |
0.04 |
| 15 |
Hg |
3 |
Nil |
Nil |
Nil |
0.01 |
0.00 |
0.004 |
| 16 |
Zn |
3 |
0.22 |
0.09 |
0.17 |
5.0 |
0.15 |
2 |
| 17 |
Ni |
3 |
0.17 |
0.01 |
0.11 |
1.0 |
0.10 |
0.4 |
| 18 |
Cu |
3 |
0.07 |
0.05 |
0.06 |
1.0 |
0.05 |
0.4 |
| 19 |
V |
3 |
0.08 |
Nil |
0.04 |
0.2 |
0.04 |
0.8 |
| 20 |
Benzene |
3 |
0.08 |
0.02 |
0.03 |
0.1 |
0.03 |
0.04 |
| 21 |
Benzo (a)- Pyrene |
3 |
0.04 |
0.02 |
0.03 |
0.2 |
0.03 |
0.08 |
| * Limiting concentration of effluent is as per MOEF new modification on standard vise GSR-186 (E) dated 18th March'08. |
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ENVIRONMENT TABLE 2
NUMALIGARH REFINERY LIMITED |
QUARTERLY PERFORMANCE WITH RESPECT TO ENVIRONMENTAL ASPECTS |
DURING THE QUARTER APRIL-JUNE' 2010 |
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| Ambient Air Quality |
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(In Microgram Per Cubic Meter) |
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| Station |
Parameter |
Standard |
Observations |
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Maximum |
Minimum |
Average |
| REFINERY |
SPM |
150 |
64.2 |
44.8 |
53.9 |
| SO2 |
30 |
4.1 |
0.9 |
1.1 |
| NOX |
30 |
6.1 |
2.1 |
3.8 |
| CO |
1000 |
250.0 |
10.0 |
68.8 |
| ECO-PARK IN |
SPM |
150 |
62.2 |
41.8 |
51.5 |
| SO2 |
30 |
3.8 |
0 |
1.0 |
| NOX |
30 |
4.7 |
0.6 |
2.9 |
| CO |
1000 |
BDL |
BDL |
BDL |
| RAW WATER |
SPM |
150 |
62 |
39.8 |
51.1 |
| SO2 |
30 |
BDL |
BDL |
BDL |
| NOX |
30 |
4.6 |
0.5 |
2.1 |
| CO |
1000 |
BDL |
BDL |
BDL |
| NH-39 BYPASS |
SPM |
150 |
65.8 |
44.4 |
53.6 |
| SO2 |
30 |
5.5 |
BDL |
1.3 |
| NOX |
30 |
7.7 |
1.8 |
3.3 |
| CO |
1000 |
250 |
20 |
160.0 |
| KAZIRANGA WILDLIFE SANCTUARY |
SPM |
150 |
67.2 |
38.0 |
52.4 |
| SO2 |
30 |
BDL |
BDL |
BDL |
| NOX |
30 |
5.3 |
BDL |
2.1 |
| CO |
1000 |
BDL |
BDL |
BDL |
| Standards are as per given in Consent of Pollution Control Board, Assam. |
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