TESTING FOR SUBSTANCE ABUSE

The test is designed for use with human urine only. 2. ... One sample contained methadone and ranitidine and one sample contained amphetamine and methamphetamine at levels slightly below the GC/MS cutoff of 1000 ng/mL. CROSS REACTIVITY. Amphetamines, methamphetamines, amphetamine-like compounds, and various potential interfering substances in a ... ................
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