搜索结果: 1-2 共查到“国际动态 环境科学技术 Standards”相关记录2条 . 查询时间(0.078 秒)
Piedmont region drinking wells exceed North Carolina's hexavalent chromium standards（图）
Piedmont region drinking wells North Carolina hexavalent chromium standards
2019/12/2
A new study that combines measurements from some 1,400 drinking water wells across North Carolina estimates that more than half the wells in the state's central region contain levels of cancer-causing...
New Study Shows Significant Economic Impact Of Epa Proposed Water Nutrient Standards
Significant Economic Impact Epa Proposed Water Nutrient Standards
2010/4/29
Florida Agriculture and Consumer Services Commissioner Charles Bronson says a just released study indicates the costs of meeting proposed numeric water nutrient standards are going to be significantly...