Jan Baxter is Senior Science Policy Advisor in the U.S. Environmental Protection Agency's Pacific Southwest Region (San Francisco). She chairs the Region 9 Science Council and the National Regional Science Council (NRSC), and is the NRSC PPCPs (Pharmaceuticals and Personal Care Products) Cross-Regional Team Leader. Jan brings many years of experience and expertise as a geologist and hydrogeologist to the issue of PPCPs, with particular focus on fate and transport of these chemicals in the environment. Prior to joining the EPA in 1995, Jan worked for the State of California as a hazardous waste site Project Manager, and for the oil industry in the discovery and evaluation of oil resources.