The leval or Heroin in Kurt's system was 1.52 milagrams per liter.Which is roughly 225 -240 mgs of heroin. When heroin is in your system it imediatly turns into morphine in the blood. There were also traces of Dizapam in his system. Which can stay in the body for days. so it may have been in his system from being in rehab.

Great Link with info on Kurt's Heroin dose. TONS of information
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