This document lists the names and registration numbers of 8 participants attending a workshop. It then discusses the principles of biological monitoring in humans, including defining biological monitoring, biomarkers, internal dose, biological monitoring media, forms of monitoring including monitoring of exposure and effect. It describes the goals of monitoring, categories of biomarkers including biomarkers of exposure, effect and susceptibility. It provides examples of common biological monitoring media and concludes that human biological monitoring aims to identify early health effects from toxic exposures.