The guidelines stipulate that once a mistake occurs, the record modification principle should be followed (such as using the "stick correction method"). Do not erase or use correction fluid. The changed original record content must still be It should be clearly visible and is not allowed to disappear or be unclear. The corrected value should be attached to the changed value and have the signature or seal of the person who changed it. The person who changed it is usually the person who directly inspected it.

The above comes from Chapter 4, Section 6, P109, of the "Guidelines for Laboratory Qualification Accreditation". It is also found in Section 5.10.4, P44, of the "Guidelines for Standardization of Highway Engineering Site Laboratory" organized by the General Administration of Quality Supervision. regulations. Please accept it. If you have any follow-up questions, please feel free to ask.

PS1: "Laboratory Qualification Accreditation Work Guide" is the publicity and implementation teaching material of "Laboratory Qualification Accreditation Review Criteria"

PS2: "Laboratory Qualification Accreditation Review Criteria" is the laboratory Standards for Qualification Recognition