Trend 1990 - 2007. China Data Center, University of Michigan. China Yearly Statistics (National/Provincial/City/County): Environmental Protection | Country: China | All Provinces: Hunan | Cities: Yueyang City | GroupCode: 31030104.b0101 | Labor Metric*: Industrial Wastewater up to the Discharge Standards - Current period value, 1990-2007. Data-Planet™ Statistical Ready Reference by Conquest Systems, Inc. Dataset-ID: 035-002-021 | NobleID
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Trend 1990 - 2007. China Data Center, University of Michigan. China Yearly Statistics (National/Provincial/City/County): Environmental Protection | Country: China | All Provinces: Hunan | Cities: Yueyang City | GroupCode: 31030104.b0101 | Labor Metric*: Industrial Wastewater up to the Discharge Standards - Current period value, 1990-2007. Data-Planet™ Statistical Ready Reference by Conquest Systems, Inc. Dataset-ID: 035-002-021.
