Home / Standards / GB/T 46053-2025 GB/T 46053-2025 Active Technical specification at the project level for assessment of greenhouse gas emission reductions—Aggregate from iron ore waste rock 基于项目的温室气体减排量评估技术规范 铁矿废石生产砂石骨料 Standard Type GBT ICS 77-010 CCS H04 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A