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From: Sheela
Date: 26 Nov 2005
Time: 15:58:08 -0800
Remote Name: 71.117.65.194
One client tested positive for opiates and claims that he had taken cough syrup with dextromethorphan, which can cross-test with opiates. Is this true? Also, there wasn't much urine to send to lab for confirmation. What is the minimum amount of urine needed for GC confirmation?