Try DDL in Sacramento, CA. They are authorized by the DEA to handle controlled substances and chain-of-custody forensic analysis. They have an established harm prevention program with Erowid and DanceSafe for anonymous testing of MDMA at USD $120 /
test. They do a complete GC/MS, allowing quantitative analysis of ALL components in an unknown substance. If there is enough interest, and testing could be perceived as a harm reduction effort, it may be possible to establish a similar system for
AAS.