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附录2-3十一五时期主要环境保护指标MainEnvironmentalProtectionIndicatorsinthe11~(th)Five-yearPlanPeriod指标Item2005化学需氧量排放总量CODDischarge1414(万吨)(10000tons)二氧化硫排放总量EmissionofSO_22549(万吨)(10000tons)地表水国控断面劣ProportionofWaterQuality26．1V类水质的比例WorsethanGradeVinSurface(％)WaterMonitoredSection(％)七大水系国控断面ProportionofWaterQualitybetter41．0好于Ⅲ类的比例thanGradeⅢinMainWater(％)SystemMonitoredSection(％)重点城市空气质量好于ProportionofAirQualityEqualto69．4Ⅱ级标准的天数超过orAboveGradeⅡover292Days292天的比例(％)inMajorCities(％)“十一五”增减情况increaseordecrease2010inthe11~(th)Five-yearPlanPeriod1270-10％2295-10％22-4．1个百分点-4．1percentagepoints432．0个百分点2．0percentagepoints755．6个百分点5．6percentagepoints