QA/QC

{{Short description|Quality assurance and quality control}}

{{About|the concept in industry|the concept in chemical analysis|Analytical quality control}}

QA/QC is the combination of quality assurance, the process or set of processes used to measure and assure the quality of a product, and quality control, the process of ensuring products and services meet consumer expectations.

"Quality assurance" is process oriented and focuses on defect prevention, while "quality control" is product oriented and focuses on defect identification.{{cite web|title=Quality Assurance vs Quality Control - Difference and Comparison|url=http://www.diffen.com/difference/Quality_Assurance_vs_Quality_Control|url-status=live|archive-url=https://web.archive.org/web/20181018172456/https://www.diffen.com/difference/Quality_Assurance_vs_Quality_Control|archive-date=18 Oct 2018|access-date=2017-03-15|website=Diffen}}{{cite web |last1=Glazer |first1=Hillel |title=Quality Assurance Is Not Quality Control |url=http://wiki.c2.com/?QualityAssuranceIsNotQualityControl |website=Cunningham & Cunningham, Inc. |access-date=11 October 2020}}

The term 'defect' here refers to 'product defect'.