Selected issues related to presenting the results of the laboratory tests of the automotive products in the context of their reliability to the client

The quality of the tests results is of paramount importance in the process of assessing conformity, conducted among the others, on the safety of the products use, their functionality or type approval. Ensuring the reliability of the results and their consistency should be an absolute priority in the operation of all appointed for this purpose metrology institutions and organizations, especially those units whose product offered to the customer are goods and services are based on measurements and their results. The essential criterion for assessing the quality of the results is their reliability to the user. One of the major issues that have a significant impact on the reliability of tests results is a form of reporting the results to the client. This paper addresses the key issues related to the presentation of the tests results. Discussed are the risks associated with the presentation of test results. The qualities that the measurement result should have to be reliable to the customer, have been identified. The significance of the accreditation for the validity of the results has been presented. Normative documents containing the requirements for the presentation of research results have been recalled. The information to be contained in a report from an accredited testing laboratory provided to a customer has been specified. The principles of the identification of the document describing the test methods have been discussed. Attention was drawn to the need for placing, in the report, the information about the uncertainty of the measurements. The principles of placing in the test report and the assessment of conformity as well as the opinions and interpretations, have been discussed. The detailed requirements for use, by research laboratories, the accreditation symbols in test reports have been presented