ENVIRONMENT ASSESSMENT REPORT Public Disclosure Authorized FOR THE SECOND PHASE OF BEILUNGANG THERMAL POWER PLANT PROJECT i~~~~~~~~~~-it Public Disclosure Authorized Vo L MARCH, 1993 Public Disclosure Authorized ZHEJIANG PROVINCIAL ENVIRONMENTAL PROTECTION SCIENTIFIC RESEARCH INSTITUTE AND EAST CHINA ELECTRICAL POWER DESIGN INSTITUTE Public Disclosure Authorized 'I, Contents J. Introduction 1X. Basis and Principles in the Assessment 2.1 Aims of the Assessment 2.2 The Foundation of the Assessment 2.3 China's Policy and Regulations regarding Environment Assessment 2.4 Standards of the Assessment 2.5 Scope of Assessment 2.6 The Emphasis of Assessment and Major Projection Objects II. Introductionto the Construction 3.1 Project Background 3.2 Project Scale 3.3 Project Site Selection 3.4 Introductionto Phase I Project 3.5 Electricity Production Process Flow 3.6 Fuel 3.7 Water Sources and Consumption 3.8 Occupied Area and Staffing of the BTPP IV. Introduction to Local Environment 4.1 The Overall Plan of Ningbo City and the Geographic Location of the Project 4.2 Natural Environment 4.3 The Local Social Environment 4.4 Pollution Sources Around the BTPP V. The Present Conditions of the Quality of Regional Environment 5.1 The Present Conditions of the Quality of Atmospheric Environment 5.2 The Present Conditions of the Quality of Sea Water Environment 5.3 An Investigationof the Present Cultivation Conditions of the Marine Life, Fishery Resources and Shoal Algae in the Sea Area 5.4 The Present Conditions of the Quality of Noisy Environment. VI. Major Pollution Source & Potential Environmental Problems 6.1 Analysis of Major Pollution Sources 6.2 Potential Environment Problems VII. Influence of Construction upon the Environment 7.1 The Assessment of the Quality of Atmosphere 7.2 An Analysis of the Impact on Water Environment Quality in the Sea Area 7.3 An Analysis of the Influence on the Aquatic Organisms 7.4 An Analysis of the Environmental Influence o' the Ash Storage Yard 7.5 An Analysis of the Influence of Noise on the Environments VIII. Anti-Pollution Policy and Environmental Protection Investment Analysis 8.1 Measures to Prevent Flue Gas Pollution 8.2 Disposal of Production Waste Water and Domestic Sewage 8.3 Comprehensive Utilisation of Ash / Slag 8.4 Measures against Noise Pollution 8.5 Measures against Major Accidents in Operation 8.6 Afforesting the Power Plant Area 8.7 Plan for Environmental Monitoring 8.8 An Analysis of Investment on Environmental Protection IX. Public Involvement and Opinion 9.1 The Historical Development of the Region where the Power Plant Is to Be Built 9.2 Summary of Speeches Made by the Deputies of the People's Congress X. Conclusions and Suggestions 10.1 General Background of the Environment 10.2 The Environmental Impact of the Project 10.3 Anti-pollution Policy Figure 3-1 The Layout of Plant Area of Phase I & [I Projects Figure 3-2 Flow Diagram of Power Plant Electricity Generation Figure 4-1 The Geographic Location of Beilungang Power Plant in Zhejiang Figure 4-2 *The Location of Phase II Project Construction Area Figure 4-3 Rose Diagram of Wind Velocity and Direction in Beilungang Area Figure 5-1 Distribution of Sampling Points For the Sea Area and Atmosphere Figure 5-2 Distribution of S02 Concentration Figure 5-3 Distribution of NOKConcentration Figure 5-4 Distribution of TSP Concentration Figure 5-5 The Location of Marine Life Sampling Station Figure 5-6 The layout of Environmental Noise Measuring Points at the Boundary of the Plant Area Figure 5-7 The Arrangement of Measuring Points for Generating Units Noise Figure 6-1 Flow Chart Showing Waste Water Treatment During Normal Production Figure 6-2 Flow Chart Showing Waste Water Treatment During Infrequent Production Figure 6-3 Flow Chart Showing Waste Water Treatment During Boiler Acid Cleaning Figure 6-4 Flow Chart Showing Waste Water Treatment During Ash Yard Water Discharge Figure 6-5 Flow Chart Showing Oil-laden Waste Water Treatment Figure 7-1 Distribution of SOI Surface Concentration When the Atmosphere Appears Unstable Figure 7-2 Distribution of SO Surface Concentration When the Atmosphere Appears Neutral Figure 7-3 Distribution of SO Surface Concentration When the Atmosphere Appears Stable Figure 7-3a Location of Routine Monitoring Station of Air Quality in Ningbo Urban District Figure 7-4 Using the Meteorological Data of Aug. 24'86 To Predict the Distribution of Daily Mean Concentration of S02 Figure 7-5 Using the Meteorological Data of Jan. 19'89 To Predict the Distribution of Daily Mean Concentration of SO Figure 7-6 A Sketch Map Showing the Water Area Used in the Calculation Figure 7-7 Verification of the Tidal Range, Tidal Flow and COD during Summer Figure 7-8 The Distribution of Rate of Flow in the Plane During Flooding and Ebbing Tides Figure 7-9 Verification of the Tidal Range and the Tidal Flow During Winter Low Tide Pigure 7-10 A Curve Showing the Guarabtee Rate of the Tidal Range at Zhenhai Station Figure 7-11 Temperature Rise around the Water lntake Both Vertically and Horizontally Figure 7-12 The Isotherm During Low Tide Figure 7-13 The Duration Curve of Temperature Rise at Different Points Figure 7-14 The Location of Temperature Rise Points for Comparison During Typhoon Period Figure 7-15 Distribution of CODN,Maxima Figure 7-16 Distribution of PH Maxima when the Ash Dyke Overflows (Phase I & II Projects) Figure 7-17 A Plan View Showing the Hydrological and Geological Conditions at the Ash Yard of Beilungang Power Plant Figure 7-18 A Cross-section of the Aquifers under the Ash Yard of Beilungang Power Plant Figure 7-19 Distribution of Chlorine Ion Contents in the Pressure-bearingWater in the 2nd Stratum under Ningbo Figure 7-20 Loudness Contour of Predicted Noises Table 2-1 Quality Standards of Atmospheric Environment Table 2-2 Sea Water Quality Standards Table 3-1 Quality of Coal from Northern Shanxi Table 3-2 Coal Consumption for Phase I & II Table 3-3 Fresh Water Consumption for Phase I & II Table 5-1 Statistic Data of Low Altitude Temperature Inversion in Two Seasons in the Beilun Table 5-2 Monitoring Data of Air Quality in Ningbo Table 5-3 Assessment Results of Air Quality in Assessment Area Table 5-4 The Functional Region Represented by the Atmosphere Sampling Spots Table 5-5 Contents and Methods Used in Testing Atmospheric Status Table 5-6 Summary of the Monitoring Results of the Environmental Quality of the Atmosphere in Summer of 1991 when the Units Are not in Operation Table 5-7 Summary of the Monitoring Results of the Environmental Quality of the Atmosphere in Winter of 1991 when One Unit Is in Operation Table 5-8 Summary of the Monitoring Results of the EnvironmentalQuality of the Atmosphere in Winter of 1992 when the Units Are Shut Down Table 5-9 Summary of the Monitoring Results of the EnvironmentalQuality of the Atmosphere in the Third Phase Project Table 5-10 A Comprehensive Summary of Wind Direction and Wind Speed at Beilungang Power Plant Table 5-11 Monitoring Data of Water Quality in Sea Area between Xiapu and Zhitou in Ningbo Table 5-12 Monitoring Data of Heavy Metals, Phenol and Cyanide in Seawater Table 5-13 Monitoring Data of Sediment Content in Sea Area of Ningbo Table 5-14 Monitoring Data of Bottom Mud Quality in IntertidalRange in Ningbo City Table 5-15 Statistical Data of Sea Water Quality along the Coast of Beilungang Power Plant Table 5-16 Statistical Data of Sea Water along the Coast at the Ash Yard for Phase [I Project Table 5-17 Assessment of Composition of Marine Life in the Sea Area Table 5-18 Assessment of the Quantity and Concentration of Marine Life in the Sea Area Table 5-19 Equipment Noise Measurement Data Table 5-20 Workshop Noise Measurement Data Table 5-21 Environmental Noise Measurement Data at Plant Site Boundary Area Table 6-1 Project Basic Data Review Table 6-2 Quantity of Class-1 Waste Water in Phase I & 1I Projects Table 6-3 Quantity of Class-2 Waste Water Table 7-1 Contents of Observations on Climatic Pollution during Phase I Project Construction Table 7-2 The Frequency of Occurrence of Sea Wind and Land Wind in Beilun Area Table 7-3 Wind Speed Profile Index Table 7-4 Frequency of Occurrence of Temperature Inversions and Heights during Observation Period Table 7-5 The Intensity of Flue Gas Emission Sources at Beilungang Power Plant Table 7-6 Atmospheric Diffusion Parameters while the Wind is Blowing toward the Shore Table 7-7 Atmospheric Diffusion Parameters while the Wind is Blowing along the Shore Table 7-8 Deviation Angle of Wind Direction to Be Taken into Consideration Table 7-9 The Average Wind Speed and the Effective Height of Flue Gas under various Stability States Table 7-10 The Distribution of Surface Concentration under Various Stability States after the Completion of Phase I & ll Projects Table 7-11 Normal Monitoring Results of the Atmosphere in Ningbo in 1990 Table 7-12 Meteorological Data Used in the Calculations of Daily Mean Concentration Table 7-13 Using Meteorological Data of Aug. 24, 1986 in the Calculation of Daily Mean Concentration for Analysis Table 7-14 Using Meteorological Data of Jan. 19, 1987 in the Calculation of Daily Mean Concentration for Analysis Table 7-15 Results of Predicting the Surface Concentration of Heavy Smoke under the Hot Inner Boundary Layer Table 7-16 Comparisons of Surface Concentration of Coals with Different Sulphur Contents Table 7-17 Comparison of surface Concentration of SO) between Single Chimney and Cluster Type Clhimney 2 Table 7-18 Distributio of Surface Concentration of SO2 due to Cumulative Effect of Flue Gas Emission