Originally established in , the Chester County Drug Court Program provides an Law Firm helps clients facing drug charges throughout Chester County, PA. and a drug and alcohol assessment in order to be considered for the program. Barbiturates; Benzodiazepines such as Ativan, Klonopin, Valium, Xanax, etc. of Drug Court and must remain clean for 90 days in order to move to each new phase. .. Benzodiazepines such as Ativan, Valium, Xanax, Klonopin, etc. Commonly prescribed medications include Valium®, Halcion®, Sonata®, Ativan®, Vistaril®, and Versed®. To learn more, view our chart on Types of Oral.