主要统计指标解释.doc

主 要 统 计 指 标 解 释 年底自来水生产能力 指年底城建部门管理的自来水厂和自备水源的社会单位取水、净化、送水、出厂输水干管等环节的实际生产能力。年底供水管道长度 指从送水泵到用户水表之间所有管道的长度。全年供水总量 指公用自来水厂和自备水源的社会单位全年的供水总量，包括有效供水量及损失水量。生活用水量 指居民日常生活与公共福利设施的用水量。包括居民、饮食店、旅馆、医院、理发店、浴池、洗衣店、游泳池、商店、学校、机关、部队等单位的用水量。城市人口用水普及率 指城市用水的非农业人口数(不包括临时人口和流动人口)与城市非农业人口总数之比，计算公式：用水普及率城市用水的非农业人口数/城市非农业人口数100%人工煤气生产能力 指城市煤气厂制气、净化、输送等环节的综合实际生产能力。输气管道长度 指由压缩机、鼓风机、储气罐的出口到用户立管之间的全部管道长度。全年供气总量 指全年售给各类用户的全部煤气量。包括工业用量、家庭用量和其他用量。城市用气普及率 指使用煤气(包括人工煤气、液化石油气、天然气)的城市非农业人口数(不包括临时人口和流动人口)与城市非农业人口总数之比。计算公式：城市用气普及率城市用气的非农业人口数/城市非农业人口数100%年底实有铺装道路长度 指除土路外，路面经过铺装宽度在35米以上的道路，包括高级、次高级道路和普通道路。城市桥梁 指城市范围内，修建在河道上的桥梁和道路与道路立交、道路跨越铁路的立交桥，以及人行天桥。包括永久性桥和半永久性桥，不包括临时性桥、铁路桥、涵洞。城市下水道总长度 指所有排水总管、干管、支管及暗渠、检查井、连接井进出水口等长度之和。城市污水日处理能力 指污水处理厂每昼夜处理污水量的设计能力。年末实有公共汽(电)车 指年底可参加营运的全部车辆数，包括年底营运车辆和库存查封未参加营运的车辆，不包括非营运车辆，如架线车、油罐车、工程车、货车及其他专用车辆和借入的客运车辆。营运的线路长度 指设置的固定营运的线路长度，包括郊区营运线路长度。不包括临时行驶的线路长度。城市园林绿地面积 指城市公共绿地、专用绿地、生产绿地、防护绿地、郊区风景名胜区的全部面积。公共绿地 指供游览休息的各种公园、动物园、植物园、陵园以及花园、游园和供游览休息用的林荫道绿地、广场绿地。不包括一般栽植的行道树及林荫道的面积。废水排放总量 包括生产废水和生活污水。生产废水指企、事业单位在生产、科研过程中向外排放的所有排放口的废水量总和。生活污水指城镇居民区和企、事业单位职工集中居住区排放的污水量。工业废水排放总量 指经过工业企业厂区所有排放口排到企业外部的工业废水量。包括外排的直接冷却水、超标排放的矿井地下水和与工业废水混排的厂区生活污水，不包括外排的间接冷却水(清污不分流的间接冷却水应计算在内)。工业废水排放达标量 指全面达到国家、地方排放标准的外排工业废水量，包括经过处理后达标外排的和未经处理达标外排的两部分工业废水。国家排放标准见国标(GB8978-88)。工业废水处理量 指经过各种水处理装置净化处理后的外排工业废水量(包括虽经处理仍未达到国家或地方标准的外排工业废水量)。废气排放总量 指燃料燃烧和生产工艺过程中排放的各种废气总量，以标准状态下每年万标立方米表示。燃料燃烧过程废气排放量 指燃煤、燃油、燃气锅炉、烘干炉、锻造加热炉、退火炉和其他工业炉窑在燃烧过程(燃料和物料不混合的纯加热过程)中所排废气的总量。它可根据烟气计算公式或经验计算公式求得。经过消烟除尘的燃料燃烧废气量 指燃料燃烧过程中排放的废气经过消烟除尘装置处理的量。经过净化处理的生产工艺废气量 指生产工艺过程中排放的废气经过各种净化处理装置净化、处理的量。工业粉尘排放量 指工业企业在生产工艺过程中排放的固体微粒总重量。如钢铁企业的耐火材料粉尘、焦化企业的筛焦系统粉尘、烧结机的粉尘、石灰窑的粉尘、建材企业的水泥粉尘等。不包括电厂排入大气的烟尘。工业粉尘回收量 指经生产工艺废气净化处理装置处理回收的粉尘和尘泥量(包括干法和湿法)。不包括电厂的烟尘。通常情况下：工业粉尘产生量工业粉尘排放量+工业粉尘回收量工业固体废物产生量 指工业企业在生产过程中产生的固体状、半固体状和高浓度液体状废弃物的总量，包括冶炼废渣、粉煤灰、炉渣、煤矸石、化工废渣、尾矿、放射性废渣和其它废渣等；不包括矿山开采的剥离废石和掘进废石(煤矸石和呈酸性或碱性的废石除外)。酸性或碱性废石是指采掘的废石其流经水、雨淋水PH值小于4或PH值大于10.5者。工业固体废物处置量 指以符合环境保护要求的方式将固体废物放置在不再回取的场所的固体废物量，如填埋、焚烧、经封场处理的专业贮存场(库)、深层灌注、回填矿井等(包括当年处置往年的堆存量)。工业固体废物综合利用量 指已用作农业肥料、造田、生产建筑材料、筑路以及其他方式综合利用的固体废物量(包括当年利用往年的工业固体废物堆存量)。综合利用量由原产固体废物的单位统计。“三废”综合利用产品产值 指工业企业回收利用“三废”作为主要原料生产的产品产值。按国发(1985)117号文规定执行。“三废”综合利用产品利润 指工业企业回收利用“三废”作为主要原料生产的产品自用或出售后所得的利润额。EXPLANATORY NOTES ON MAIN STATISTICAL INDICATORSProduction Capacity of Tap Water at the Year-end refers to the actual comprehensive production capacity of the waterworks administered by the urban construction department and those owned by enterprises or institutions, taking the capacity of the main links, such as water inflow, purification, conveyance and outflow of the trunk pipelines into account.Length of Water Supply Pipelines at the Year-end refers to the total length of all the pipelines between the water pumps and the users water meters.Annual Volume of Water Supply refers to the total volume of water supplied by the public water-works and those owned by individual enterprises and institutions during the whole year, including both the effective water supply and loss during the water supply.Consumption of Water for Residential Use refers to the water consumption of households for daily life and the water consumption of public welfare facilities, including the consumption of restaurants, hotels, hospitals, barber shops, public bathhouses, laundries, swimming pools, shops, schools, institutions, army units and other units.Percentage of Urban Population with Access to Tap Water refers to the ratio of the urban non-agricultural population(excluding temporay and mobile population)with access to tap water to the total urban non-agricultural population. The formula is: Percentage of Population with Access to Tap WaterUrban Non-agricultural Population with Access to Tap Water/Urban Non-agricultural Population100% Production Capacity of Gaswork Gas refers to the actual comprehensive production capacity of the urban gasworks in gas generation, purification and delivery.Length of Gas Pipelines refers to the total length of pipelines between the outlet of the compressor, blower or gas tank and the gas meters of users.Volume of Gas Supply refers to the total volume of gas sold to users in a year, including the volume for industrial use, residential use and other uses.Percentage of Urban Population with Access to Gas refers to the ratio of the urban non-agricultural population with access to gas(including gas, liquefied petroleum gas and natural gas)to the urban non-agricultural population(excluding temporary and mobile population). The formula is: Percentage of Population with Access to Gas=Urban Non-agricultural Population with Access to Gas/Urban Non-agricultural Population100% Length of Paved Roads at the Year-end refers to the length of roads with a paved surface, and with a width of more than 3-5 meters, including high quality, medium quality and ordinary roads.Urban Bridges refers to bridges over river courses, great separated junctions and overpasses in urban areas. Permanent bridges and semi-permanent bridges are included. Temporary bridges, railway bridges and culverts are excluded.Length of Urban Sewage Pipes refers to the total length of general drainage, trunks, branch and blind drainage, inspection wells, connection wells, inlets and outlets, etc.Daily Disposal Capacity of Urban Sewage refers to the designed 24 hour capacity of sewage disposal at the sewage treatment works.Number of Public Vehicles (Buses and Trolley Buses) at the Year-end refers to the total number of operational buses available at the year-end, including the year-end operational vehicles and vehicles in stock. Non-operational vehicles such as stringing cars, tank cars, machine shop cars, trucks and other special vehicles and the borrowed passenger vehicles are excluded.Length In Operation refers to the length of the roads in fixed operation, including the suburb one, but excluding the temporary ones.Area of Urban Gardens and Green Areas refers to the total area of urban public green land, special green land, production green land, protection green land and suburban scenic spots.Public Green Area refers to green areas of various parks, zoos, botanical gardens, cemeteries, amusement parks, tree-flanked boulevards greenland squares for tourism and relaxing. Areas with trees planted along-side the streets and boulevards are excluded.Total Discharge of Sewage includes production sewage and domestic sewage. Production sewage refers to the total discharge by the enterprises and institutions in their production and scientific research. Domestic sewage refers to the discharge by urban and rural residential communities and the residential neighborhoods of the enterprise/institutions staff.Volume of Industrial Waste Water Discharged refers to the volume of industrial waste water discharged, through all outlets, to the outside of industrial enterprises, including waste water produced, direct-cooling water, underground water from mines that does not meet the standard of discharge, and the domestic sewage mixed up with industrial waste water when discharged, but excluding discharged indirect-cooling water.Volume of Waste Water up to the Standard for Discharge refers to the volume of discharged industrial waste water that, with or without treatment, has come up to the national or local standards for discharge.Volume of Treated Industrial Waste Water refers to the volume of industrial waste water after being treated and purified through various water treatment facilities in the reference period, including the volume discharged or recovered after being treated. The volume of waste water that fails to meet the national or local standards after treatment is also included.Volume of Waste Industrial Gas Emission refers to waste gas emitted from burning of fuels and from production process in the area of the factory, and is measured by 10000 standard cubic meters each year under normal condition. Volume of Waste Gas Emission During Burning refers to the total volume of the waste gas emission during the burning of coals, oil, gas furnaces, dryers, forge furnaces, leers, and other industrial furnaces. The volume can be calculated with smog formula or empirical formula.Volume of Waste Gas Emission After Smoke and Dust Purification refers to the volume of gas that passes through smoke and dirt cleaning equipment.Volume of Gas Emission After Purification in Production Process refers to the volume of gas in production process that passes through various purification devices.Industrial Dust Discharged refers to the total weight of solid dust discharged by industrial enterprises in the production process, such as dust of refractory materials from iron plants, dust from coke-screening system or from sintering machines of coking plants, dust from lime kilns, cement dust from building material enterprises, etc., but excluding smoke and dust discharged by power plants. Volume of Recovery of Industrial Dust refers to the volume of dust and dirt recovered by production process purification devices, including both dry process and wet process, not the fly ash emitted into the air by power station. Generally, the formula goes:Industrial Dust ProducedIndustrial Dust Emitted+Industrial Dust Recovered Volume of Industrial Solid Wastes Produced refers to the total volume of solid, semi-solid or high concentration liquid residue produced by industrial enterprises in their production process, including dangerous wastes, residues from melting, slag, powdered coal ash, gangue, chemical residues, tailings, radioactive residues and other residues, but excluding stripped or dug stones in mining (except gangue and acid or alkali stones which are stones washed or soaked by water with a PH value smaller than 4 or larger than 10.5).Volume of Industrial Solid Wastes Treated refers to solid wastes disposed of in a non-recoverable place that meet the requirement of environmental protection, such as burying (The dangerous wastes should be buried safely), burning, piling in designated sites, pouring water into the deep strata