You have the right to an interpreter in your native language if you have Limited English Proficiency, which means that you are not fluent in English. Many agencies and organizations are required to provide Limited English Proficient individuals with interpreters.
For a list of agencies that must provide interpreters, instructions on how to request an interpreter, and what you can do if you are denied an interpreter, click on the link below for a brochure written in many languages: You Have The Right to an Interpreter