Why Drug Test?

People under the influence of drugs and alcohol can be a danger to both themselves and their workmates. A well designed drug and alcohol policy can protect your workplace, people and jobs while also promoting a healthy workplace culture of your workplace in a range of ways.
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People under the influence of drugs and alcohol can be a danger to both themselves and their workmates. A well designed drug and alcohol policy can protect your workplace, people and jobs while also promoting a healthy workplace culture of your workplace in a range of ways, including:
  • Reduce or eliminate harm from accidents
  • Reduce absenteeism
  • Improve workforce engagement and motivation
  • Reduce pressure on workmates to monitor or support affected workmates
  • Improve Morale of Employees and Health and Safety

Drug testing procedure and detection times

 

Urine detection times

Oral Fluid detection times

Acute Impairment Period

Cannabis- 1-2 joints

 

8 hours

8 hours

Cannabis- Moderate(4 /week)

5 days

8 hours

8 hours

Cannabis- Heavy user (daily)

10 days

8 hours

8 hours

Cannabis- Chronic (>5 joints/ day)

14- 20 days

8 hours

8 hours

Cocaine

2-4 days

36 hours

36 hours

Opiates

2 days

24/36 hours

24/36 hours

Amphetamine/Methamphetamine

1-4 days(24-96 hours)

50 hours

50 hours

Alcohol

n/a n/a

< 12 hours

Methadone

3 days

Not stated but is a synthetic opiate

LOR

These detection times are for drug class concentrations when using AS/NZS 4760:2019 and AS/NZS4308:2008 verified drug test devices.

For more information about our Testing Process Download our Drug Testing Procedure with the DT5000.

Latest News

  • Legalising Cannabis and What it Could Mean for Construction Industry

    Cannabis has been around since the dawn of time and has been used for both medicinal and recreational purposes. As discussions regarding the legalisation of cannabis continue in New Zealand, what impact could it have on our Industry?

  • Are cannabis users unfairly targeted at work?

    With unemployment at record lows, more people on the jobseeker benefit than ever before and an acknowledged shortage of skilled tradespeople, a serious question must be asked: Are some capable people being kept out of work unfairly owing to their occasional use of cannabis? It’s a question well worth posing, not the least because cannabis metabolites can stay in the system long after impairing effects wear off.

  • Open letter to Chloe Swarbrick

    Dear Ms. Swarbrick,

    RE: The efficacy of cannabis testing using oral fluid samples

    As an individual deeply involved in drug and alcohol impairment detection, I was surprised and very disappointed in the views you expressed during your recent interview with Jack Tame on the topic of cannabis law reform.