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P contaminated properties

If you wish to report a suspected clandestine drug laboratory or clan lab you should contact the police directly.

Clandestine drug laboratories 

Police notify Council of all clandestine drug laboratories discovered within the Tauranga and Western Bay areas.

Council must ensure that the information provided by the police is available to people veiwing a property's file, or applying for a land information memorandum or LIM report.

We also have an obligation to make sure that all dwellings in the city are safe and sanitary for human habitation and to ensure that:

  • the effects of any possible contamination are dealt with
  • the information that is placed on the building file has minimal effect on the property in the long term and
  • no one occupying the dwelling currently, or in the future, is at risk.

When a clandestine drug laboratory has been identified Council requires the property owner to arrange sampling and analysis to be done by a certified laboratory, to determine the level of contamination.

The current Ministry of Health guidelines provide that contamination should not exceed 0.5ug/100cm2 for buildings where the drug has been manufactured. If the level of contamination exceeds the Ministry of Health guidelines, the property owner needs to have remedial work done by a qualified agency to decontaminate the site and provide a report, including additional sampling, showing the property is no longer contaminated. 

A copy of the police notification, the results of the initial sampling, details of cleaning and decontamination undertaken and a copy of post-decomtamination sampling results will be placed on the building file. 

For further information on clandestine drug laboratories please contact Council's environmental health officer.

Properties contaminated by the use of methamphetamine

New Standards are being developed relating to testing and remediation of properties contaminated by the manufacture or use of methamphetamine by Standards NZ.  These are currently under consultation and expected to be released in June 2017.  In the interim, the Ministry of Health recommends the following limits for methamphetamine contamination from use in properties are:

  • 1.5ug/100cm2 for carpeted buildings where the drug has been used 
  • 2.0ug/100cm2 for non-carpeted buildings where the drug has been used 

While the Standard has yet to be finalised, Council has decided to follow the limits recommended by the Ministry of Health pending the release on the final standards.  Council recommends that any property owner affected by the use of methamphetamine in a property seek expert advice on the implications of the current recommended Ministry of Health guidelines and its obligations to remediate until the new standards are released.

For further information please refer to the Ministry of Health

Last Reviewed: 15/05/2017

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