(This measure has not been amended since it was introduced. The summary of that version is repeated here.)
Dangerous Synthetic Drug Control Act of 2011 or David Mitchell Rozga Act - Amends the Controlled Substances Act to add as a schedule I controlled substance any material, compound, mixture, or preparation which contains specified cannabimimetic agents (or the salts, isomers, or salts of isomers thereof).
Extends the period during which the Attorney General may temporarily schedule a substance in schedule I to avoid an imminent hazard to public safety to two years with a one-year extension (currently, one year with a six-month extension).