Best Practice Recommendation for Performing Alcohol Calculations in Forensic Toxicology

This document provides recommendations for performing alcohol (ethanol) calculations to include retrograde extrapolation, forward estimations, minimum drinks consumed, and other scenarios. Recommendations are also provided for evaluation of post absorptive stage, various specimen types, population variances, and reporting of calculations. 

The principles and practices outlined in this best practice recommendation may also apply to postmortem scenarios, but there are additional variables to be considered that are outside the scope of this document.

Expert opinions based on the results of these calculations are outside the scope of this document.