FBI BAU Supervisory Special Agent Emily Prentiss was played by Paget Brewster. Her mother used to be an ambassador in various Arab and Eastern European countries. Therefore, she is fluent in Arabic and can speak some Russian and Spanish as well. In season 4, episode Cold Comfort it is revealed that Emily Prentiss was born on October 12, making her a Libra. She joins the BAU in season 2, upon the departure of Agent Greenaway (Lola Glaudini).
Regular PVC (polyvinyl chloride) is a common, strong but lightweight plastic used in construction. It is made softer and more flexible by the addition of plasticizers. If no plasticizers are added, it is known as uPVC (unplasticized polyvinyl chloride), rigid PVC, or vinyl siding in the U.S.
However, those making these pipes might also blend various plasticizers into the mix to make them easier to work with. When these plasticizers are not used, the pipes are referred to as uPVC. Properties The difference between uPVC and PVC items and pipes also extends to the properties. Plasticizers are used in PVC pipes, and phthalates are among the most common. This, and other plasticizers, are a type of odorless and colorless ester.