T/YJX 007-2023 Active

Scope: This standard specifies the basic requirements, grade classification, grade evaluation, supervision and review, and certificate management for the evaluation of the credit rating of purification enterprises. This standard applies to the credit rating management of enterprises engaged in environmental construction projects, ecological environmental pollution control, clean engineering, indoor environmental pollution control, cleaning and disinfection, and environmental protection detection, etc. Other purification enterprises may refer to this standard for implementation of credit rating evaluation. Main technical content: 1. Scope of purification enterprise credit rating evaluation This standard specifies the basic requirements, grade classification, grade evaluation, supervision and review, and certificate management for the evaluation of the credit rating of purification enterprises. This standard applies to the credit rating management of enterprises engaged in environmental construction projects, ecological environmental pollution control, clean engineering, indoor environmental pollution control, cleaning and disinfection, and environmental protection detection, etc. Other purification enterprises may refer to this standard for implementation of credit rating evaluation. 2. Normative references The following documents are essential for the application of this document. For the referenced documents with a specified date, only the version on the specified date applies to this document. For the referenced documents without a specified date, the latest version (including all amendment sheets) applies to this document. GB/T 19000 Quality Management System Basic Terms GB/T 23791 General Principles for the Classification of Enterprise Quality Credit Grades GB/T 22116 Method of Representing Enterprise Credit Grades GB/T 22117 Basic Terms of Credit GB/T 22119 Code of Practice for Integrity Evaluation of Credit Service Organizations GB/T 31880 Basic Requirements