Heroin is made from the poppy plant, a natural product that can produce somewhat unnatural side-effects that can include slurred and slow speech, confusion and even death, and lead to failed drug testing on the roads and in workplaces.


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Michael is the founder of Integrity Sampling and is responsible for overseeing all national operations. He is based at Integrity Sampling's head office in Thomastown and is also responsible for the co-ordination of drug and alcohol testing within Victoria, assisting in the implementation of drug and alcohol (fit for work) policies and the presentation of drug and alcohol education and awareness programs. You can connect with Michael Wheeldon on LinkedIn

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