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Exhibit 3. Which heroin varieties have changed in availability (fall 2001 vs. spring 2002)?

A graphic with Pulse Check sites and the reporting source (L= law enforcement ; E= epidemologic/ethnographic) enclosed in an arrow pointing up or down to illustrate the availability of specific types of heroin. Colombian heroin availability was up in Boston (E), Chicago (L,E), Miami, (E), and Portland, ME (L). Mexican black tar heroin availability was up in Denver (L), Los Angeles (L), Memphis (L), and New York (L). Mexican brown tar heroin availability was up in Denver (L), Los Angeles (L), Memphis (L), and Miami (E). Southeast Asian heroin availability was up in Detroit (E), Memphis (L) and Portland, ME (E). Southwest Asian heroin availability was up in Baltimore (L), Chicago (E), Detroit (E), New York City (L), and Portland, ME (L).

• Colombian heroin availability was down in Philadelphia (L).
• Mexican black tar heroin availability was down in New York City (E).
• Mexican brown tar heroin availability was down in New York City (E).
• Southeast Asian heroin availability was down in Chicago (E) and New York City (E).
• Southwest Asian heroin availability was down in New York City (E).