ICS65.020 CCSB00 50 重庆市地方标准 DB50/T1881—2025 生态物质产品碳中和实施指南 2025-08-15发布 2025-11-15实施 重庆市市场监督管理局  发布DB50/T1881—2025 I目次 前言.......................................................................................................................................................................II 1范围.....................................................................................................................................................................1 2规范性引用文件.................................................................................................................................................1 3术语和定义.........................................................................................................................................................1 4总体原则.............................................................................................................................................................2 4.1概述.............................................................................................................................................................2 4.2相关性.........................................................................................................................................................2 4.3完整性.........................................................................................................................................................3 4.4一致性.........................................................................................................................................................3 4.5准确性.........................................................................................................................................................3 4.6避免重复计算.............................................................................................................................................3 5实施目的.............................................................................................................................................................3 6产品碳中和实施流程.........................................................................................................................................3 7产品碳足迹核算.................................................................................................................................................3 7.1核算范围.....................................................................................................................................................3 7.2单元过程.....................................................................................................................................................4 7.3分配.............................................................................................................................................................4 7.4碳足迹计算.................................................................................................................................................5 7.5数据收集.....................................................................................................................................................5 7.6活动数据.....................................................................................................................................................5 7.7排放因子.....................................................................................................................................................5 7.8产品碳足迹报告.........................................................................................................................................5 8碳减排行动.........................................................................................................................................................6 9碳抵消活动.........................................................................................................................................................6 9.1抵消方式.............................................