Stonewall Institute offers affordable substance abuse evaluations in Phoenix, Arizona. A professional substance abuse evaluations helps provide a clear picture of a potential drug abuse or alcohol abuse problem. Chemical dependency assessments are often requested or required by loved ones, employers, or the justice system. If you or someone you know needs to complete a substance abuse assessment in Arizona call Stonewall today at 602.535.6468 or on the web at www.stonewallinstitute.com