Home / Standards / GB/T 31852-2015 GB/T 31852-2015 Active Treatment and disposal specification for chromite processing residue 铬渣处理处置规范 Standard Type GBT ICS 13.030.10 CCS Z05 Status 现行 Issue Date 2015-07-03 Implementation 2016-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A