College coursework should meet the education requirement for the Texas Forensic Science Commission Toxicologist (Interpretive) license as stated in the Texas Administrative Code, Title 37, Part 15, Chapter 651, Subchapter C, Rule §651.207. Specific duties may include, but are not limited to, the following: Performs routine to complex chemical analysis of human biological specimens using chemical and instrumental methodologies to detect and quantify alcohol and drugs in biological matrices and liquid.