Home / Standards / GB/T 46659-2025 GB/T 46659-2025 Active Control of water-borne iodine excess area and iodine excess endemial area 水源性高碘地区和高碘病区控制 Standard Type GBT ICS 11.020 CCS C61 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 国家疾控局 Drafting Unit N/A