My boyfriend just got a saliva test and smoke marijuana and use opiates, they were?

He smokes marijuana every day, so I guess no doubt show, right? He said he had not used opiates (heroin) for 5 days, but I feel like lying. It can be used For three days (it looked like it was when I saw that day.) How long these drugs remain in the saliva of a sample?

Namely (Usually) time test saliva for detection of heavy users of cannabis -1 hours after using up to 14 hours of heroin, cocaine, alcohol burns, the use of time, for 48-72 hours amphetamines, PCP-three days to codeine, morphine -12 to 36 hours

Phion Diagnostic pH Test Strips …

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