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Roadside Drug Testing (Drugalyser)

Discussion in 'British Patients' started by SunnyJim, Mar 25, 2015.

  1.  
    SunnyJim

    SunnyJim Well-Known Member

    After much searching, I can't seem to find specifics.

    Does anyone know what the parameters are for the new roadside drugalysers the police will be using on drivers? There isn't any concrete information about how the concentration of illicit drugs found in the driver's saliva is measured. Are drivers 'clean' an hour after 1 spliff? 3 hours after 5 spliffs, 2 weeks after having been to Amsterdam and sampling local delights? I can't wrap my head around how THC levels are measured, and over what timescale. Blood alcohol is much easier to measure with accuracy.

    Would habitual users always fail the test due to consistently having high concentrations of THC in their system, even though driving ability is not necessarily impaired at the time of the roadside test?
     
  2.  
    wwrockyou

    wwrockyou Well-Known Member

    good questions, anyone have some info ?
     
  3.  
    R1b3n4

    R1b3n4 Well-Known Member

    Table of drugs and limits
    ‘Illegal’ drugs (‘accidental exposure’ – zero tolerance approach) Threshold limit in blood
    benzoylecgonine 50µg/L
    cocaine 10µg/L
    delta-9-tetrahydrocannibinol (cannabis) 2µg/L
    ketamine 20µg/L
    lysergic acid diethylamide 1µg/L
    methylamphetamine 10µg/L
    MDMA 10µg/L
    6-monoacetylmorphine (heroin) 5µg/L
    ‘Medicinal’ drugs (risk based approach) Threshold limit in blood
    amphetamine (regulations were recently laid with the proposed limit and expected to come into force after 2 March 2015) 250µg/L
    clonazepam 50µg/L
    diazepam 550µg/L
    flunitrazepam 300µg/L
    lorazepam 100µg/L
    methadone 500µg/L
    morphine 80µg/L
    oxazepam 300µg/L
    temazepam 1,000µg/L

    https://www.gov.uk/government/collections/drug-driving#table-of-drugs-and-limits
     
    SunnyJim likes this.

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