Sarah Gentile has 10 years of experience in plant identification and a specialization in wetland delineation. She also has over 9 years of experience in wet chemistry on various types of samples; drinking water, waste water and feed analysis. She is proficient in the use of UV spectrophotometry. Sarah does sample preparation in the radiocarbon laboratory; pretreatment of plant, charcoal, bone and shell materials for AMS dating and for stable isotopes.