The National Drug Intelligence Center has released the following report:

Situation Report: Pseudoephedrine Smurfing Fuels Surge in Large-Scale Methamphetamine Production in California
June 2009
HTML: http://www.usdoj.gov/ndic/pubs36/36407/index.htm
PDF: http://www.usdoj.gov/ndic/pubs36/36407/36407p.pdf
This Situation Report is in response to a request from the Office of National Drug Control Policy for information regarding pseudoephedrine smurfing in California. The National Drug Intelligence Center collected and analyzed data and reporting from 2007-through May 2009 related to methamphetamine production and pseudoephedrine smurfing. This report draws upon data from the National Seizure System, as well as information obtained through interviews with federal, state, and local law enforcement officers.