This spreadsheet calculates probabilities of acceptance for materials with different microbial loads and population standard deviations. The microbes are assumed to be lognormally distributed. This is new version 8 (November 2016) including additionally a tab with the effect of specificity and sensitivity.
Control Measures Validation (FSO) Tool
A spreadsheet tool to explore the ICMSF Food Safety Objective (FSO) equation to determine the per cent compliance of products from processes that are affected by variability, and which is described in the publication “Validation of control measures in a food chain using the FSO concept (PDF 309KB)”.