“…Quality assurance can be supported in several other ways, many but not all of which are tied to accreditation standards. The following is a non-exhaustive list of quality assurance methods, the details of which can be found either in other sections of this review or in the supporting texts cited: lean six sigma or total quality management approach to improve turnaround time and efficiency [ 11 , 116 , 117 ]; Daku,2019 [ 118 ]; the use of a LIMS or case management system [ 10 , 111 , 119 ]; blind proficiency testing [ 20 , 27 , 30 , 53 , 54 , 108 , 120 ]; improved education or certification of forensic scientists and technicians [ 15 , 20 , [29] , [30] , [31] , 36 , 40 , 52 , 115 , 121 ]; other stakeholders [ 10 , 40 , 58 ]; improvements in organizational culture and stress reduction [ 19 , 23 , 116 , 122 ]; laboratory independence [ 17 , 18 , 52 , 120 ]; effective use of regulation [ 15 , 16 , 31 , 109 ]; improvements in evidence chain of custody and storage [ 10 , 119 , 123 , 124 ]; improvements in crime scene management and testing standards [ 10 , 15 , 125 , 126 ]; and reduction of biases and conflicts of interest [ [15] , [16] , [17] , 20 , 21 , 52 , 53 , …”