Mahabal Enviro Engineers Pvt. Ltd. At Booty, Near PHED Colony, Behind Pump House, PO - RMCC, District - Ranchi

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Eco 'Ventures Pvt. Ltd Regd. Office: 2/37, Sarvapriya Vihar, Near IIT Gate, New Delhi-110016 Corporate Office: 7/8 Bhaveshwar Bhuvan, Opp Porthugese Church, Near Dindayal Upadhyay Garden, Gokhale Road (North), Dadar (West), Mumbai 400 028. Tel: *91 22 24370520 / 6672. E: ecoventures.mumbai4omail.com /ecoventures(@.eco-ventures.in Mahabal Enviro Engineers Pvt. Ltd. At Booty, Near PHED Colony, Behind Pump House, PO - RMCC, District - Ranchi 834009 ORSA & CHIRO PLATEAU- ENVIRONMENTAL MONITORING REPORT JULY TO SEPTEMBER 2017.For Mahabal Enviro Engineers Pvt. Ltd. For Ma : al Envire Ltd. (,a 0rised Signatory

44, 0* Mahabal Enviro Engineers Pvt. Ltd. At Booty, Near PHED Colony, Behind Pump House, PO - RMCC, District - Ranchi 834009, Mobile No: +91 9431.102.1021+91 9955.358.262, E-mail: mahabalranchtaqmail.com Hijidalco Industries: Environmental Monitoring Report MILS - SEPTEMBER 2017 CONTENT AMBIENT AIR QUALITY 1 Chirokukad Weigh Bridge 2 Kukad Village 3 Rajendrapur 4 Orsa Village 5 Near Chiro Kukud Mines Office 6 Near Saraidih Hospital SURFACE WATER 1 Chiro Kukad Mining Area LOCATION (600 m from Hotel Rukhmtni Palace Turn Opp Toyota Show Room. Near I B Sawant Bus Stop)

Mahabal Enviro Engineers Pvt. Ltd. Mobile No: +91 9431.102.102 1+91 9955.358.262, E-mail:mahabalranchiaqmail.com Hindalco Industries: Environmental Monitoring Report JULY - SEPTEMBER 2017 Report no: MEEPL/OCT0141/2017-18 Date: 24th October, 2017 Marks on Sample: Location: Chiro Kukad Weigh Bridge Sample collected on: 21.09.2017 LOCATION / IDENTIFICATION: ChiroKukad Weigh Bridge SI. No. PARAMETERS UNIT 1. Particulate Matter (size less than 10 pm) PM10 tg/m 3 100 72.6 2. Particulate Matter (size less than 2.5 pm) PM2.5 p.g/m 3 60 36.5 3. Sulphur Dioxide (SO2) pgim 3 80 5.2 4. Nitrogen Dioxide (NO2) pg/m 3 80 8.8 OS. Ammonia (NH3) lig/m 3 400 14.2 6. Ozone (03) pg/m 3 180 15.7 7. Carbon Monoxide (CO) mg/m 3 02 0.45 8. Lead (Pb) pg/m 3 1.0 0.03 9. Nickel (Ni) ng/m 3 20 3.0 10. Arsenic (As) ng/m 3 06 2.3 11. Benzene (C6116) pg/m 3 05 2.2 12. Benzo (a) Pyrene pg/m 3 01 0.40 For Mahabal Enviro Engineers Pvt. Ltd. For Maha I Envi i r vii.iyikitlitejsed Signatory (600 m from Hotel Rukhmini Palace Turn Opp Toyota Show Room. Near J B Sawant Bus Stop)

44, Mahabal 0" Enviro Engineers Pvt. Ltd. Mobile No: +91 9431.102.1021+91 9955.358.262, E-mail: mahabalranchigkimail.corn Hindalco Industries: Environmental Monitoring Report JULY - SEPTEMBER 2017 Report no: MEEPL/OCT0142/2017-18 Marks on Sample: Location: Kukad Village Sample collected on: 21.09.2017 Date: 24th October, 2017 LOCATION / IDENTIFICATION: Kukad Village SI. No. PARAMETERS UNIT 1. Particulate Matter (size less than 10 pm) PMio ng/m 3 100 57.2 2. Particulate Matter (size less than 2.5 pm) PM2. 5.tg/m 3 60 27.7 3. Sulphur Dioxide (SO2) pg/m 3 80 5.5 4. Nitrogen Dioxide (NO2) pg/m 3 80 8.3 5. Ammonia (NH3) pg/m 3 400 12.7 6. Ozone (03) p.g/m 3 180 13.9 7. Carbon Monoxide (CO) mg/m 3 02 0.44 8. Lead (Pb) µg/m 3 1.0 0.03 9. Nickel (Ni) ng/m 3 20 3.0 10. Arsenic (As) ng/m 3 06 2.1 11. Benzene (C6H6) pg/m 3 05 2.5 12. Benzo (a) Pyrene pg/m 3 01 0.42 For MalfgraWIMPtin5n' i6i.rt :5igineers Pvt. Ltd. nsed Signatory P.incley Head Office: Plot No. F-7, Road No.21, Wagle Estate, Thane West - 400604, Maharashtra, India (600 m from Hotel Rukhmini Palace Turn Opp Toyota Show Room. Near 1 B Savant Bus Stop)

44, Mahabal Enviro Engineers Pvt. Ltd. Mobile No: +91 9431.102.1021 +91 9955.358.262, E-mail: mahabalranchacimail.com Hindalco Industries: Environmental Monitoring Report JULY - SEPTEMBER 2017 Report no: MEEPL/OCT0143/2017-18 Date: 24th October, 2017 Marks on Sample: Location: Rajendrapur Sample collected on: 21.09.2017 LOCATION / IDENTIFICATION: Rajendrapur SI. No. PARAMETERS UNIT 1. Particulate Matter (size less than 10 gm) PM10 gg/m 3 100 50.4 2. Particulate Matter (size less than 2.5 gm) PM2.5 gg/m 3 60 24.0 3. Sulphur Dioxide (SO2).tg/m 3 80 4.2 4. Nitrogen Dioxide (NO2) 1g/m 3 80 7.0 5. Ammonia (NH3) µg/m3 400 11.3 6. Ozone (03) Jig/m 3 180 14.7 7. Carbon Monoxide (CO) mg/m 3 02 0.32 8. Lead (Pb) gg/m 3 1.0 0.02 9. Nickel (Ni) ng/m 3 20 2.1 10. Arsenic (As) ng/m 3 06 2.0 11. Benzene (C6116) gg/m 3 05 3.0 12. Benzo (a) Pyrene gg/m 3 01 0.30 For Mahabal Enviro Engineers Pvt. Ltd. For MahaOal Enviro Eng. Pvt. Ltd. rised Signatory Vijay Pan ey (600 m from Hotel Rukhmini Palace Turn Opp Toyota Show Room. Near J B Sawant Bus Stop)

Mahabal Enviro Engineers Pvt. Ltd. Mobile No: +91 9431.102.1021+91 9955.358.262, E-mail:mahabalranchkakimail.com Hindalco Industries: Environmental Monitoring Report JULY - SEPTEMBER '1017 Report no: MEEPL/OCT0144/2017-18 Date: 24th October, 2017 Marks on Sample: Location: Orsa Village Sample collected on: 21.09.2017 LOCATION / IDENTIFICATION: Orsa Village SI. No. PARAMETERS UNIT 1. Particulate Matter (size less than 10 gm) PMio ng/m 3 100 63.7 2. Particulate Matter (size less than 2.5 nm) PM2.5 µg/m 3 60 27.1 3. Sulphur Dioxide (S02) pg/m 3 80 5.2 4. Nitrogen Dioxide (NO2) ng/m 3 80 8.3 5. Ammonia (NH3) µg/m 3 400 13.9 6. Ozone (0 3) pg/m 3 180 15.5 7. Carbon Monoxide (CO) mg/m 3 02 0.29 8. Lead (Pb).1g/m 3 1.0 0.03 9. Nickel (Ni) ng/m 3 20 2.4 10. Arsenic (As) ng/m 3 06 2.0 11. Benzene (C6116) pg/m 3 05 2.1 12. Benzo (a) Pyrene ng/m 3 01 0.35 For Mahatrit Frviriyd Engineers Pvt. Ltd. Au Vijay Pandey sed Signatory Head Office: Plot No. F -7, Road No. 21, Wagle Estate, Thane West - 400604, Maharashtra, India (600 m from Hotel Rukhmini Palace Turn Opp Toyota Show Room. Near J B Sawant Bus Stop)

Mahabal Enviro Engineers Pvt. Ltd. Mobile No: +91 9431.102.102 / +91 9955.358.262, E-mail: mahabalranchuwomad.com Hindalco Industries: Environmental Monitoring Report JULY - SEPTEMBER 2017 Report no: MEEPL/OCT0145/2017-18 Date: 24th October, 2017 Marks on Sample: Location: Near ChiroKukud Mines Office Sample collected on: 20.09.2017 LOCATION / IDENTIFICATION: Near Chiro Kukud Mines Office SI. No. PARAMETERS UNIT 1. Particulate Matter (size less than 10 gm) PMio pg/m 3 100 65.3 2. Particulate Matter (size less than 2.5 pm) PM2.s pg/m 3 60 34.2 3. Sulphur Dioxide (S0 2) pg/m 3 80 5.5 4. Nitrogen Dioxide (NO2) pg/m 3 80 8.3 5. Ammonia (NH3) tig/m 3 400 13.6 6. Ozone (03) pg/in 3 180 14.5 7. Carbon Monoxide (CO) mg/m 3 02 0.46 8. Lead (Pb) pg/m 3 1.0 0.03 9. Nickel (Ni) ng/m 3 20 3.3 10. Arsenic (As) ng/m 3 06 2.1 11. Benzene (C6115) pg/m 3 05 3.0 12. Benzo (a) Pyrene pg/m 3 01 0.30 For For Mahalmf nviro Eng. Pvt. Ltd. ahabal Enviro Engineers Pvt. Ltd. Atit sed Signatory Vi jay Pan ey (600 m from Hotel Rukhmini Palace Turn Opp Toyota Show Room. Near J B Sawant Bus Stop)

Mahabal Enviro Engineers Pvt. Ltd. Mobile No: +91 9431.102.1021+91 9955.358.262, E-mail: mahabalranchammail.corn Hindalco Industries: Environmental Monitoring Report JULY - SEPTEMBER 2017 Report no: MEEPL/OCT0146/2017-18 Marks on Sample: Location: Near Saraidih Hospital Sample collected on: 20.09.2017 Date: 24th October, 2017 LOCATION / IDENTIFICATION: Near Saraidih Hospital SI. No. PARAMETERS UNIT 1. Particulate Matter (size less than 10 nm) PMio.tg/m 3 100 56.2 2. Particulate Matter (size less than 2.5 pm) PM2.5 ug/m 3 60 28.9 3. Sulphur Dioxide (SO2) µg/m 3 80 5.7 4. Nitrogen Dioxide (NO2) µg/m 3 80 8.3 5. Ammonia (NH3) ig/m3 400 11.4 6. Ozone (03) µg/m 3 180 14.9 7. Carbon Monoxide (CO) mg/m 3 02 0.22 8. Lead (Pb) µg/m 3 1.0 0.02 9. Nickel (Ni) ng/m 3 20 2.7 10. Arsenic (As) ng/m 3 06 2.5 11. Benzene (C6H6) pg/m 3 05 2.3 12. Benzo (a) Pyrene Rg/m 3 01 0.25 For lylahabal Enviro Engineers Pvt. Ltd. Ltz'.1\f/ Vijay Pandey (600 to from Hotel Rukhmini Palace Turn Opp Toyota Show Room. Near ) B Savant Bus Stop)

46, Mahabal Enviro Engineers Pvt. Ltd. Mobile No: +91 9431.102.1021 +91 9955.358.262, E-mail:mahabalranchiaqmail.com HindaIco Industries: Environmental Monitoring Report JULY - SEPTEMBER 2017 Report no: MEEPL/OCT0147/2017-18 Date: 24th October, 2017 Sample described by customer : SURFACE-WATER Sample Type: SURFACE-WATER Marks on Sample: Location: Chiro Kukad Mining Area Quantity: 5 L X 2 No. PVC Can Sample collected on: 21.09.2017 SI. No. Parameters Unit Result Acceptable (IS 10500:2012) Method Reference 1 Colour Hazen <2 5 Max APHA 22nd Ed. 2012, 2120-B, 2-6 2 Odour Agreeable Agreeable IS 3025 (Part 7): 1983, Reaffirmed 2006 3 Taste -- Agreeable Agreeable IS 3025 (Part 7): 1983, Reaffirmed 2006 4 Turbidity NTU 0.31 1 Max APHA 22nd Ed. 2012, 2130-B, 2-13 5 ph 8.1 6.5-8.5 6 Free Chlorides (Residual) mg/i <0.5 0.2 min 7 Total Dissolved Solids mg/i 480 500 max 8 Total hardness (as CaCO3) mg/i 54 200 max Alkalinirty Total (as CaCO3) m g/i 49 200 max 10 Chloride (as CI) mg/i 44 250 max 11 Sulphate (as SO4) mg/i 31.7 200 max 12 Boron (as B) mg/i 0.20 0.5 max APHA 22nd Ed. 2012, 4500-H+-B, 4-92 APHA 22nd Ed. 2012, 4500-CI G, 4-69 IS 3025 (Part 16): 1984, Reaffirmed 2006 APHA 22nd Ed. 2012, 4500-CIG, 4-69 IS 3025 (Part 237): 1986, Reaffirmed 2009 APHA 22nd Ed. 2012, 4500-CI-b, 4-72 APHA 22nd Ed. 2012, 4500-so4-e, 4-190 APHA 22nd Ed. 2012, 4500-BB, 4-25 13 Magnesium (as Mg) mg/i 6.2 30 max APHA 22nd Ed. 2012, 3500-Mg-B, 3-84 (600 m from Hotel Rukhmini Palace Turn Opp Toyota Show Room. Near I B Sawant Bus Stop) Phone: 2582 0658/ 3139/ 1663/ 3154 Fax: 91-22 -25823543 thane@mahabal.com

146, Mahabal Enviro Engineers Pvt. Ltd. Mobile No: +91 9431.102.102 I +91 9955.358.262, E-mail:mahabalranchitWomail.corn Eli ndalco Ind ustries: Environmental Monitoring Report JULY - SEPTEMBER 2017 Continuation Sheet MEEPL/OCT0147/2017-18 Report no: MEEPL/OCT0147/2017-18 Date: 24th October, 2017 SI. No. Parameters Unit Result 14 Fluoride (as F) mg/i 0.13 1 max Acceptable (IS 10500:2012) Method Reference APHA 22nd Ed. 2012, 4500-F13 & D, 4-84, 4-87 15 Calcium (as Ca) mg/i 13.3 75 max APHA 22nd Ed. 2012, 3500-Ca-B, 3-67 16 Iron (as Fe) mg/i 0.10 0.3 max APHA 22nd Ed. 2012, 3111-B, 3-18 17 Cadmium (as Cd) mg/1 N.D 0.003 max APHA 22nd Ed. 2012, 3111-B, 3-18 18 Chromium Total (as Cr) mg/i N.D 0.05 max APHA 22nd Ed. 2012, 3111-B, 3-18 19 Copper (as Cu) mg/i N.D 0.05 max APHA 22nd Ed. 2012, 3111-B, 3-18 20 Lead (as Pb) mg/i N.D 0.01 max APHA 22nd Ed. 2012, 3111-B, 3-18 21 Zinc (as Zn) mg/1 0.03 5 max APHA 22nd Ed. 2012, 3111-B, 3-18 22 Arsenic (as As) mg/i <0.01 0.01 max APHA 22nd Ed. 2012, 3114-B, 3-38 23 Selenium (as Se) mg/1 N.D 0.001 max APHA 22nd Ed. 2012, 3112-13, 3-23 24 Mercury (as hg) mg/1 N.D 0.01 max APHA 22nd Ed. 2012, 3114-B, 3-38 25 Cyanide (as CN) mg/i N.D 0.05 max APHA 22nd ED. 2012, 4500-CN.0 & 4-39 & 4-44 26 Manganese (as Mn) mg/1 N.D 0.1 max APHA 22nd Ed. 2012, 3111-B, 3-18 27 Dissolved Oxygen mg/i 7.3 7-8 APHA 20th ED. Method 4500-o g. For Mahabal Enviro Engineers Pvt. Ltd. For Mahabal Enviro Eng. Pvt. Ltd. NaiV A rised Signatory Vijay Pandey (600 m from Hotel Rukhmini Palace Turn Opp Toyota Show Room. Near J B Sawant Bus Stop)