It's thought there are fundamental issues with the new methamphetamine contamination laws. 

Properties with meth residue exceeding 15 micrograms per 100-square centimetres will be considered contaminated and require treatment.  

Landlords and tenants will be able to quickly end tenancies with excessive levels. 

Residential Property Managers Association Chair Tony Mitchell told Mike Hosking it's great to have clarity, but it's out of step with the rest of the world.   

He says we shouldn't be accepting any meth in properties, and we now don't have the ability to enforce a zero-tolerance policy.  

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