Quant. MAC Working Group Meeting Book (March 13, 2019)

Quantitative Microbiology Method Validation Acceptance Criteria

Current Quantitative Microbiology Issues • No defined acceptance criteria for evaluating quantitative microbiology methods • Difference of means <0.5 with 95% CI between -0.5, 0.5 is currently being used • Absence of criteria for accessing discordant results • No validated statistical

workbook that can provide all statistical analysis required by Appendix J • Further assistance/training for end users on interpreting results