Cocaine Tightens Grip on NZ Workplaces, positive tests up nearly 70% AUCKLAND, New Zealand, 16 July 2026 – Cocaine use is on the rise across New Zealand workplaces. That’s a key finding of the latest Imperans Report, a quarterly analysis of drug use in the workplace...
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Australia Imperans Report Q2 2026, State of Workplace Drug Use from TDDA
Australian workplace drug profile shifts as ATS accounts for six in ten positive tests MELBOURNE, AUSTRALIA – 16 July 2026 – The Drug Detection Agency (TDDA), Australasia’s largest workplace drug testing provider, has released the Q2 2026 edition of the Imperans...
Protecting the girl on the bike: Why workplace drug testing is about more than compliance
It is 5:46 pm on a weeknight. A 13-year-old named Cassie unlocks her mountain bike outside the netball courts, waves goodbye to her teammates, and starts pedalling home. On that same evening commute, three people are heading to or from work. A sparky running on almost...
New Zealand – Imperans Q1 2026 Report, State of Workplace Drug Use from TDDA
Opioid detections in New Zealand workplaces rise 35% Year-on-Year AUCKLAND, New Zealand, 21 April 2026 – The Drug Detection Agency (TDDA), New Zealand’s largest workplace drug testing provider has launched its Q1 Imperans Report, a quarterly workplace drug trends...
Australia – Imperans Q1 2026 Report, State of Workplace Drug Use from TDDA
Cocaine detections across Australia up 45% year-on-year: post-holiday data confirms sustained workplace risk Melbourne, Australia – 21 April 2026 – Cocaine detections in Australian workplaces have risen 45.4% year-on-year, with Q1 data confirming the increase has...
Australia – Imperans Q4 Report, State of Workplace Drug Use from TDDA
Cocaine use doubles while risk of meth in the workplace remains dangerously high MELBOURNE – 19 February 2026 – Cocaine has emerged as the fastest-growing workplace drug risk in 2025, with positive test results nearly doubling from Q1 to Q4. Cannabis and...
New Zealand – Imperans Q4 Report, State of Workplace Drug Use from TDDA
Overall drug detections rise nationally, cocaine detections up 148% AUCKLAND, New Zealand, 19 February 2026 – The Drug Detection Agency (TDDA), New Zealand’s largest workplace drug testing provider has launched its Q4 Imperans Report, a quarterly workplace drug trends...
Health and Safety Policy Survey
The Drug and Detection Agency (TDDA) today revealed its first Health and Safety Policy Survey. The findings indicate that New Zealand and Australian businesses are serious about health and safety at a leadership level, but many lack confidence that their...
Roadside Drug Testing vs Workplace Drug Testing: Same Safety Goal, But Confusing Them Is a Risk in Itself
By Glenn Dobson, CEO, The Drug Detection Agency Group The Governments introduction of roadside drug testing in New Zealand has triggered widespread discussion, debate, and assumption. For many employers and workers, the question has quickly become: “If Police can test...
New Zealand – Imperans Q3 Report, State of Workplace Drug Use from TDDA
An increase in cannabis uses sparks concern ahead of workplace Christmas parties AUCKLAND, New Zealand – 19 Nov 2025 – The Drug Detection Agency (TDDA), New Zealand’s largest workplace drug testing provider, has released its Q3, 2025 workplace drug and alcohol...


