Perceived Stigma of Substance Abuse Scale (PSAS) is attached. Login to your ACBS account to see the attachment.
Luoma, J. B., O'Hair, A. K., Kohlenberg, B. S., Hayes, S. C., Fletcher, L. (2010). The development and psychometric properties of a new measure of perceived stigma toward substance users. Substance Use and Misuse, 45, 47-57.