core values
It has the largest integrated graphite electrodes plant in the world.

HEG LTD. MANDIDEEP LIST OF SIGNIFICANT ASPECTS AND IMPACTS F-EMS-14
Date : 5/6/2010
Section Activity Environmental Aspects Environmental Impact Operating Condition Significance Rating Ref. OCP/EMP
BM Unloading of CPC in hopper Dust Emission Air pollution Normal 21 P-OCP-11
BM & All Dept. Storage & Disposal of scrap battery Spillage of Acid on Ground Land & Water Pollution Abnormal 21 P-EMS-05
BAKING Baking of product Conv. Baking Smoke Emission from Stack. Air Pollution Normal 29 P-OCP-03
BAKING Baking of product at RH Smoke Emission from Stack. (Electrostatic Tar Precipitator) Air Pollution Normal 29 P-OCP-10
BAKING Manual Scrapping at Baking & RH Spillage of Met Coke grains & Dust Emission at work place. Air Pollution Normal 27 P-OCP-08
BAKING Manual Screening of Packing Grain. Dust Emission at work place. Air Pollution Normal 27 P-OCP-07
BAKING Operation of Scrapping Machine at Baking & RH. Dust Emission from Stack Air Pollution Abnormal 25 P-OCP-14
BAKING Machining of Baked Electrode from L-70 & BECO m/c. Dust Emission from Stack Air Pollution Abnormal 25 P-OCP-20
ER Dressing Used Cotton/Pathological Discharge Trivial Bacteria and exposure in environment Abnormal 27 P-OCP-18
ER Injections Needles Land Pollution Abnormal 27 P-OCP-18
ETP Primary & Secondery Treatment of effluent water Sludge Purification of water by removing floculated sludge from effluent water. Abnormal 23 P-OCP-04
GRP Graphtising the Baked Electrode in LWG, Acheson & GF Furnace. Gas & Fume Emission viz. CO, CO2, SO2 Air Pollution Normal 21 P-OCP-05
GRP Screening / Grain treatment at IGT 1,5 & old GT. Metcoke Dust, emission through stack Air Pollution Normal 25 P-OCP-06
GRP Consumption of Resource in Graphitisation Process Consumption of Power, Met coke, Hard board, Water. Resource Depletion. Normal 23 P-GRP-01,02 & S-GRP-01,02

 

HEG LTD. MANDIDEEP LIST OF SIGNIFICANT ASPECTS AND IMPACTS F-EMS-14
Date : 5/6/2010
Section Activity Environmental Aspects Environmental Impact Operating Condition Significance Rating Ref. OCP/EMP
RMS/GEP CPC withdrawl, handling, crushing, screening & grinding. Emission of SPM. (Dust) Air Pollution through Stack. Normal 23 P-OCP-19
RMS/GEP Unloading, Opening of Pitch Drums / Bags & Breaking of Pitch & filling in Hopper through Grab Bkt. Emission of Pitch Dust. Air Pollution at work place. Normal 23 P-OCP-02
RMS/GEP Weighing, Mixing & Conditioning of CPC, Green Scrap, Iron Oxide & Staric Acid. Emission of SPM at Weighing, Mixer & Conditioner Floor. Air Pollution at work place. Normal 23 P-OCP-13
RMS/GEP Recirculation of flying shear pit water into coling bath. Oil Contaminated Water in cooling bath, storage tank & drain line. Water Pollution Normal 23 P-OCP-04
RMS/GEP Grinding of CPC at R-Mill Emission of SPM. (Dust) Air Pollution through Stack. Normal 23 P-OCP-19
RMS/GEP Recirculation of flying shear pit water into coling bath. Oil Contaminated Water in cooling bath, storage tank & drain line. Water Pollution Normal 23 P-OCP-04
GEP & IMP. Operation of HOB. Emission of SPM. (Dust) Air Pollution through Stack. Normal 23 P-OCP-33
PFS MACHINING OF GRAPHITE ELECTRODES & NIPPLES Emission of Dust through Stack AIR POLLUTION Normal 27 P-OCP-25
PFS Bagging of Graphite Fines. Emission of Dust Emission of Dust Normal 21 P-OCP-26
S&D Fumigation of Containers Emission of Fumes. Air Pollution Ozone layer depletion Normal 23 P-OCP-15
TK Rebaking of Impregnated product in Tunnel kiln through HAG. Fume Emission Air Pollution Abnormal 21 P-OCP-32
PE-M OPERATION OF STEAM BOILERS IN UTILITY STACK EMISSION AIR POLLUTION Abnormal 23 P-OCP-31
SIGNIFICANT ASPECTS UNDER DESIGN STAGE.
Design Office Installation of Tunnel Kiln # 3 Fumes Emission Through Stack. Air Pollution Normal 21 P-OCP-32
Design Office Installation of 5 Nos. 240 K Amps. Graphite LWG Furnace in Hall No. 6 Gas & Fume Emission viz. CO, CO2, SO2 Air Pollution Normal 21 P-OCP-05

 

HEG LTD. MANDIDEEP LIST OF SIGNIFICANT ASPECTS AND IMPACTS F-EMS-14
Date : 5/6/2010
Section Activity Environmental Aspects Environmental Impact Operating Condition Significance Rating Ref. OCP/EMP
All Dept. Cleaning work Oil socked cotton Pollution of land Abnormal Legal   P-CP-7
          (Haz.Waste rule  
BM & All Painting Disposal of empty paint drums. LAND POLLUTION Abnormal Legal   P-CP-30
Dept.           (Haz.Waste rule  
BM & All Storage & Disposal of used waste Spillage of oil on Ground Land & Water Abnormal Legal   P-OCP-23
Dept.   oil   Pollution       (Haz.Waste rule  
ETP   Pumping of effluent water from Waste water Land/Water pollution Abnormal Legal (Water act P-OCP-04
    sumps / tanks to ETP       due to over flow.   1974)  
IMP   Vacuuming in A/C.     Pitch fumes emission through Air Pollution Normal Legal (Air act P-OCP-34
          Incinerator stack.       1981)      
IMP   Preheating of Baked product in Emission through Stack   Air Pollution Abnormal Legal (Air act P-EMP-27
    preheaters through hot air generator         1981)      
    at FI                
IMP   Preheating of Baked product in Emission through Stack   Air Pollution Abnormal Legal (Air act P-EMP-28
    preheaters through hot air generator         1981)      
    at NCI                
REMARK:        
MANAGEMENT HAS DECIDED THAT ASPECTS HAVING SIGNIFICANCE RATING 20 AND ABOVE WILL BE CONSIDRED AS SIGNIFICANT ASPECTS..