China - HFC-23 Emission Reduction Project : environmental assessment (Vol. 2 of 2) : HFC-23 emissions reduction at Changshu 3F Zhonghao New Chemical Materials Co.

E1244 v. 2 Environmental Assessment Report HFC-23 Emissions Reduction at Changshu 3F Zhonghao New Chemical Materials Company November 18, 2005 China Green Enterprise Limited Chinese Research Academy Of Environmental Sciences  Table of Contents 1 Introduction.......................................................................................................................1 2 Project Settings..................................................................................................................3 2.1 Information about the Company ..................................................................................3 2.2 Information about the Site and Its Surroundings .........................................................4 2.3 Environmental Characteristics .....................................................................................9 2.3.1 Geology and Topography..................................................................................9 2.3.2 Climate andAmbient Air Quality......................................................................9 2.3.3 Hydrogeology andAmbient Water Quality.....................................................10 2.3.4 Noise Levels.................................................................................................... 11 2.3.5 Soil ..................................................................................................................12 2.3.6 Other Environmental Characteristics..............................................................12 3 Descriptions of the HCFC-22 Production and HFC-23 Destruction Processes.........13 3.1 Description of the HCFC-22 Process.........................................................................14 3.1.1 HCFC-22 Process at LinesA and B................................................................14 3.1.2 Source, Treatment, and Discharge of Pollutants .............................................17 3.2 Description of the HFC-23 Process............................................................................19 3.2.1 Basic Information............................................................................................19 3.2.2 HFC-23 Emissions Reduction Process............................................................19 3.2.3 Operation and Maintenance Schedule.............................................................22 3.2.4 Investment Cost...............................................................................................23 4 Regulatory and Institutional Framework.....................................................................24 4.1 Regulatory Framework...............................................................................................24 4.1.1 Relevant Laws, Regulations, and Technical Guidelines of China ..................24 4.1.2 Relevant Legal Requirements and Regulations for the Jiangsu Province.......25 4.1.3 Relevant Technical Documents for Changshu ................................................26 4.1.4 Relevant Provisions of the World Bank ..........................................................26 4.1.5 Applicable Environmental Discharge and Ambient Quality Standards ..........27 4.1.6 Applicable Standards Related to the Design and Operation of Hazardous Waste Facilities...............................................................................................32 i  4.2 Institutional Framework.............................................................................................34 4.2.1 Foreign Economic Cooperation Office, State Environmental Protection Administration (SEPA/FECO).......................................................................34 4.2.2 Jiangsu Environmental Protection Bureau......................................................34 4.2.3 Suzhou Environmental Protection Bureau......................................................34 5 Environmental Discharges from the HFC-23 Reduction Process and Mitigation Measures.........................................................................................................................36 5.1 Environmental Discharges from the HFC-23 Reduction Process..............................36 5.1.1 Construction Phase..........................................................................................36 5.1.2 Operational Phase............................................................................................37 5.2 Mitigation Measures...................................................................................................40 5.2.1 Construction Phase..........................................................................................40 5.2.2 Operational Phase............................................................................................41 6 Impacts of Discharges on Receptors..............................................................................44 6.1 Construction Phase.....................................................................................................44 6.2 Operational Phase.......................................................................................................45 6.2.1 Air ImpactAssessment....................................................................................45 6.2.2 Wastewater ImpactAssessment.......................................................................57 6.2.3 Groundwater Impact Assessment....................................................................57 6.2.4 Solid Waste Impact Assessment......................................................................57 6.2.5 Noise ImpactAssessment................................................................................57 6.2.6 Social Impacts.................................................................................................59 7 Evaluation of Alternatives ..............................................................................................61 7.1 Evaluation ofAlternative Process Options for HFC-23 Emissions Reduction..........61 7.2 Evaluation ofAlternatives for Emission Controls of Air Pollutants under Upset Process Conditions.....................................................................................................62 7.3 Evaluation ofAlternatives for the Wastewater and Sludge Discharges .....................65 8 Process Safety and Emergency Measures .....................................................................69 8.1 Process Safety ............................................................................................................69 8.2 Prevention and Control of Air Emissions of Pollutants .............................................73 8.3 Spill Prevention, Containment, and Countermeasures...............................................74 8.4 Personnel Protection...................................................................................................74 8.5 Emergency Preparedness and Countermeasures........................................................74 9 Environmental Management Plan.................................................................................76 ii  9.1 Environmental Management......................................................................................76 9.2 Environmental Monitoring Plan.................................................................................78 10 Public Consultation.........................................................................................................82 10.1 Public Consultation for ToR of the EA....................................................................82 10.1.1 Information of Public Consultation for ToR of the EA.................................82 10.1.2 Results of the Public Consultation for ToR of the EA..................................84 10.2 Public Consultation for the Draft EA.......................................................................86 10.2.1 Information of Public Consultation for the Draft EA ...................................86 10.2.2 Results of the Public Consultation for the Draft EA.....................................88 Annex 1 ToR for Environmental Assessment of HFC-23 Emissions Reduction at Changshu 3F Zhonghao......................................................................................90 Annex 2 Distribution Map of Monitoring Points (Air and Surface Water) and Ambient River System ........................................................................................94 Annex 3 Descriptions of the Relevant Chinese Regulations............................................95 Annex 4 HFC-23 Generated from the HCFC-22 Process................................................96 Annex 5 Material Balances for the HFC-23 Emissions Reduction Process...................97 Annex 6 Official Letter about the Conduct of Public Consultation on the ToR of the EA .......................................................................................................................102 Annex 7 Records of the Consultation Meeting on the ToR of the EA ..........................104 Annex 8 Official Letter about the Conduct of Public Consultation on the Draft EA.109 Annex 9 Records of the Consultation Meeting on the Draft EA....................................111 Annex 10 Certificate of Land Use Right: Line A of the HCFC-22 Process.................. 117 Annex 11 Certificate of Land Use Right: Line B of the HCFC-22 Process.................. 118 Annex 12 List of EA Preparers ........................................................................................ 119 iii  List of Tables Table 2-1 Chemical Products and Intermediates Produced by Changshu 3F Zhonghao and Changshu 3F Fluorochemical ..................................................................3 Table 2-2 Changshu 3F Zhonghao's Assets, Revenues, and Profits (million US$)........3 Table 2-3 Parameters of Multi-year Weather Condition of the Plant Site.......................9 Table 2-4 AmbientAir Quality Monitoring Results......................................................10 Table 2-5 Monitoring Results of Surface Water Quality (Unit: mg/l, except pH).....10 Table 2-6 Monitoring Results of Ground Water Quality............................................... 11 Table 2-7 Monitoring Results of Acoustical Quality (Unit: dB(A)) .......................... 11 Table 2-8 Monitoring Results of Soil Quality (Unit: mg/kg).....................................12 Table 3-1 Design Parameters of HFC-23 Incinerator....................................................22 Table 3-2 Consumption of Main Raw and Auxiliary Materials and Energy.................22 Table 4-1 Applicable Air Emissions Standards.............................................................27 Table 4-2 The Receptors forAir Emissions from the Project.......................................28 Table 4-3 Applicable Air Quality Standards .................................................................29 Table 4-4 Applicable Wastewater Discharge Standards................................................29 Table 4-5 The Receptors of Wastewater Discharge from the Project............................30 Table 4-6 Applicable Water Quality Standards.............................................................30 Table 4-7 Applicable Quality Standard for Ground Water............................................30 Table 4-8 Applicable Noise Emission Standards..........................................................31 Table 4-9 Applicable Quality Standard for Noise.........................................................31 Table 4-10 Applicable Quality Standard for Soil..........................................................32 Table 4-11 Technical Specifications of Incinerators .....................................................32 Table 5-1 Noise Source Strength of the Construction Equipment ................................37 Table 5-2 Material Balances of HFC-23 Process (Unit: tpy).....................................38 Table 5-3 Environmental Discharges from HFC-23 Process........................................40 Table 5-4 Levels of Noise Emissions from Major Process...........................................40 Table 5-5 Noise Pollution Mitigation Measures and Their Effectiveness.....................43 Table 6-1 Impacts of Discharges on Receptors during Construction Phase..................44 Table 6-2 Compliance Status of Construction Equipment Noise..................................44 Table 6-3 Characteristics of the Air Dispersion Models ...............................................45 Table 6-4 Parameters of Waste Gas Pollution Source...................................................48 Table 6-5 Average Weather Parameters of Different Stability Conditions....................48 iv  Table 6-6 Meteorologic Conditions on Representative Days........................................49 Table 6-7 Maximum Ground-Level Concentration (1-hr avg.) and Distance during Windy Conditions.........................................................................................50 Table 6-8 Maximum Concentration (1-hr avg.) at the Receptors during Windy Conditions (