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3.0 在城市市区范围内，当建筑施工过程中使用的机器设备可能产生环境噪声污染时，施工单位必须向工程所在地县级以上地方环境保护部门申报该工程的项目名称、可能产生的环境噪声值等情况的期限是（）
A
工程开工以前5日之内b.工程开工以前15日以内c.工程开工以后5日之内d.工程开工以后15日以内
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试题答案：
B
答案解释：
在城市市区范围内，建筑施工过程中使用机械设备，可能产生环境噪声污染的，施工单位必须在工程开工十五日以前向工程所在地县级以上地方人民政府环境保护行政主管部门申报该工程的项目名称、施工场所和期限、可能产生的环境噪声值以及所采取的环境噪声污染防治措施的情况。
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