MINUTES OF2ND RECONSTITUTED EXPERT APPRAISAL ...

permission for drawl of 16 MGD of water. The wastewater generation will remain at37,715 m 3 /day. The existing wastewater treatment plant has a capacity to treat 85,000m 3 /day while the wastewater generation will be less than 38,000 m 3 /day. The boiler ashgeneration will increase from 140 tpd to 150 tpd during post project. This will be used inTNPL’s cement plant. The sludge from the DIP will be about 90 tpd and this will be usedas feed stock in TNPL’s cement plant.The Committee deliberated on the issues raised during the Public Hearing / PublicConsultation meeting conducted by the Tamil Nadu Pollution Control Board on 18 thMay,2012. The issues raised in the public hearing were regarding ccompliance to thepromises made earlier, falling of coal dust and lime dust in the houses, pollution ofground water, provision of Cauveri water for drinking, laying of pipelines for supply ofdrinking water, employment to land losers, roads etc.which were addressed in theEIA/EMP report.The Committee had sought the action plan for the disposal of RO rejects anddevelopment of 33% area under green belt, details of OHS of the workers, comparisonof AAQ data pre and post Mill expansion of existing unit at common locations,commitments made during public hearing and CSR activities carried out by TNPL in thelast 5 years. The above sought information was submitted by the proponent and found tobe satisfactory.After detailed deliberations, the Committee found the EIA/EMP report adequateand suggested to stipulate following specific conditions along with other environmentalconditions while considering for accord of environmental clearance:(i)(ii)(iii)(iv)(v)Compliance to all the specific and general conditions stipulated for the existingplant by the Central/State Government shall be ensured and regular reportssubmitted to the Ministry and its Regional Office at Bangalore.The project authority shall install multi cyclones, wet scrubbers with the boilers toachieve the particulate emission below 50 mg/Nm 3 . The emissions from chemicalrecovery section shall be controlled through primary and secondary venturiscrubbers.Data on ambient air, stack and fugitive emissions shall be regularly submittedonline to Ministry’s Regional office at Bangalore, SPCB and CPCB as well ashard copy once in six months and display data on RSPM, SO 2 and NOx outsidethe premises at the appropriate place for the general public.In case of treatment process disturbances/failure of pollution control equipmentadopted by the unit, the respective unit shall be shut down and shall not berestarted until the control measures are rectified to achieve the desired efficiency.The total water requirement (including existing) shall not exceed 52,800 m 3 /day.The industry shall ensure the compliance of the standards for discharge of thetreated effluent from the unit as stipulated under the EPA rules or SPCBwhichever is more stringent. The company shall make efforts to limit the waterconsumption upto 75 m 3 /tonne of product. Adequate steps including use ofmodern RO/UF based technologies should be used to increase recycling andreduce water consumption.