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ENVIRONMENT TABLE 1
NUMALIGARH REFINERY LIMITED
 
QUARTERLY PERFORMANCE WITH RESPECT TO ENVIRONMENTAL ASPECTS
DURING THE QUARTER  JANUARY- FEBRUARY - MARCH' 2013
                 
  1.0 Liquid Effluent            
  1.1 Quantity              
                 
        JAN'13 FEB'13 MAR'13 Cummulative
 Cumm. for the year
              JAN-FEB-MAR'2013 2012-13
Quantity of Effluent Discharged, M3   0 0 0 0 0
                 
Effluent Discharged, M3/1000 MT of Crude Processed 0 0 0 0 0
                 
  1.0 Liquid Effluent            
  1.2 Quality              
                 
  Liquid Effluent Pollutant Levels          
Sl.No.     CONC. in mg/lit. except pH CPCB Actual CPCB STD.
  PARAMETERS NO. OF       STD. kg/1000 MT of crude
  OBS. MAX. MIN. AVG. (mg/lit) processed
Sl no. 1-8 analysed once in a day.
1 pH 90 8.5 6.0 7.1 6-8.5    
2 OIL & GREASE 90 <2.0 <2.0 <2 5.0
0.8
2.0
3 BOD3 90 14 8 10.6 15.0 4.0 6.0
4 COD 90 123 40 74.4 125.0 32.6 50.0
5 SS 90 18.0 4.6 10.2 20.0 4.4 8.0
6 Phenol 90 0.32 0.1 0.21 0.35 0.1 0.14
7 Sulphides 90 <0.1 <0.1 <0.1 0.5 0.0 0.20
8 CN 90 <0.02 <0.02 <0.02 0.2 0.0 0.08
 Sl no. 9-21 analysed once in a month.
9 Ammonia as N 3 9.8 1.0 3.9 15.0 0.99 6
10 TKN 3 24.7 2.0 9.6 40.0 1.24 16
11 P 3 0.65 0.65 0.65 3.0 0.04
1.2
12 Cr (Hexavalent) 3 Nil Nil Nil 0.1 0.0 0.04
13 Cr (Total) 3 0.008 0.004 0.006 2.0 0.001 0.8
14 Pb 3 0.005 0.003 0.004 0.1 0.001 0.04
15 Hg 3 <0.005 <0.005 <0.05 0.01 0.001 0.004
16 Zn 3 0.04 0.038 0.040 5.0 0.012 2
17 Ni 3 0.060 0.047 0.052 1.0 0.013 0.4
18 Cu 3 0.006 0.004 0.005 1.0 0.00 0.4
19 V 3 0.01 0.01 0.01 0.2 0.003 0.8
20 Benzene 3 BDL BDL BDL 0.1 BDL 0.04
21 Benzo (a)- Pyrene 3 BDL BDL BDL 0.2 BDL 0.08
* Limiting concentration of effluent is as per MoEF new notification on standard vide GSR-186 (E) dated 18th March'08.
 
ENVIRONMENT TABLE 2
NUMALIGARH REFINERY LIMITED
QUARTERLY PERFORMANCE WITH RESPECT TO ENVIRONMENTAL ASPECTS
DURING THE QUARTER JANUARY - FEBRUARY - MARCH'2013
         
2.0 Ambient Air Quality Data    
         
STATION PARAMETER STD  
OBSERVATIONS
    NAAQS-2009 Unit MAX MIN AVG.
REFINERY (WATCH  TOWER   NO. 6)
SO2  80 μg/m3 16.40 12.30 13.83
NO2 80 μg/m3 10.40 4.80 7.17
O3 100 μg/m3 59.10 26.80 40.73
CO 2000 μg/m3 620.00 340.00 453.33
NH3 400 μg/m3 44.20 20.40 33.73
PM 10 100 μg/m3 64.30 44.80 54.44
PM 2.5 60 μg/m3 39.40 25.40 31.84
Benzene 5 μg/m3 0.39 0.14 0.26
BaP 1 ng/m3 0.17 0.02 0.10
Pb 1 μg/m3 0.15 0.02 0.09
As 6 ng/m3 BDL BDL BDL
Ni 20 ng/m3 0.11 0.02 0.06
ECO-PARK      IN NRL TOWNSHIP
SO2  80 μg/m3 7.50 4.40 5.57
NO2 80 μg/m3 5.60 2.20 3.5
O3 100 μg/m3 36.5 BDL 18.2
CO 2000 μg/m3 380 140.0 253.3
NH3 400 μg/m3 BDL BDL BDL
PM 10 100 μg/m3 44.2 27.5 35.2
PM 2.5 60 μg/m3 27.1 18.5 22.4
Benzene 5 μg/m3 0.04 BDL BDL
BaP 1 ng/m3 BDL BDL BDL
Pb 1 μg/m3 0.1 0.02 0.1
As 6 ng/m3 BDL BDL BDL
Ni 20 ng/m3 BDL BDL BDL
RAW WATER  INTAKE
SO2  80 μg/m3 4.6 2.1 3.1
NO2 80 μg/m3 4.1 2.2 3.0
O3 100 μg/m3 12.2 BDL 4.1
CO 2000 μg/m3 260 30 120.0
NH3 400 μg/m3 BDL BDL BDL
PM 10 100 μg/m3 41.9 28.5 35.9
PM 2.5 60 μg/m3 27.1 15.4 20.4
Benzene 5 μg/m3 BDL BDL BDL
BaP 1 ng/m3 BDL BDL BDL
Pb 1 μg/m3 0.14 BDL 0.1
As 6 ng/m3 BDL BDL BDL
Ni 20 ng/m3 BDL BDL BDL
NH-39 BYPASS
SO2  80 μg/m3 11.6 6.5 9.1
NO2 80 μg/m3 7.5 4.4 6.1
O3 100 μg/m3 48.6 24.5 39.0
CO 2000 μg/m3 520.0 200 380.0
NH3 400 μg/m3 37.2 15.8 23.0
PM 10 100 μg/m3 52.1 35.8 41.1
PM 2.5 60 μg/m3 37.6 22.7 30.4
Benzene 5 μg/m3 0.31 0.08 0.2
BaP 1 ng/m3 0.15 BDL 0.1
Pb 1 μg/m3 0.24 0.04 0.2
As 6 ng/m3 BDL BDL BDL
Ni 20 ng/m3 0.12 BDL 0.06
KAZIRANGA WILDLIFE SANCTUARY AT AGARTOLI
SO2  80 μg/m3 3.5 1.5 2.5
NO2 80 μg/m3 3.70 1.80 2.6
O3 100 μg/m3 BDL BDL BDL
CO 2000 μg/m3 BDL BDL BDL
NH3 400 μg/m3 BDL BDL BDL
PM 10 100 μg/m3 41.2 26.5 35.0
PM 2.5 60 μg/m3 26.5 15.5 21.0
Benzene 5 μg/m3 BDL BDL BDL
BaP 1 ng/m3 BDL BDL BDL
Pb 1 μg/m3 0.09 BDL BDL
As 6 ng/m3 BDL BDL BDL
Ni 20 ng/m3 BDL BDL BDL
 BDL :   Below Detectable Limit 
ENVIRONMENT TABLE 3
NUMALIGARH REFINERY LIMITED
QUARTERLY PERFORMANCE WITH RESPECT TO ENVIRONMENTAL ASPECTS
DURING THE QUARTER JANUARY - FEBRUARY - MARCH '2013
             
3.0 ONLINE ANALYSER STACK DATA          
        (In Microgram Per Cubic Meter)
UNIT FURNACE/STACK PARAMETER OBSERVED VALUE Limiting Concentration in mg/Nm3 REMARKS
CONC
     
MAX
MIN
    
CDU/VDU FF-01/02 SO2
176.1
1.4
723
 Stack with dual firing (FG:FO=59:41)
NOX
164.6
37.8
391
DCU FF-01 SO2
108.9
18.3
775
 Stack with dual firing (FG:FO=56:44)
NOX
105.4
10.1
394
HCU FF-03 SO2
122.5
1.7
208
 Stack with dual firing (FG:FO=90:10)
NOX
100.3
5.2
360
H2U FF-01 SO2
43.7
2.7
50
 Stack with dual firing (FG:FO=100:00)
NOX
59.9
1.1
350
MS FF-02 SO2
22.7
7.2
50
 Stack with Gas firing 
NOX
17.1
6.6
350
HRSG SO2
53.2
3.6
176
 Stack with dual firing (FG:FO=92:08)
NOX
49.2
2.5
358
UTILITY BOILER SO2
64.3
47.3
1213
 Stack with dual firing (FG:FO=30:70)
NOX
211.8
60.3
421
* Limiting concentration of emission calculated as per MoEF new notification on standard vide GSR- 186 (E) dated 18th March, 2008.

 

 
 
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