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NZTA Herbicide use on roads, highways and railway lines across NZ

J Bruning made this Official Information request to New Zealand Transport Agency

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From: J Bruning

Dear New Zealand Transport Agency,

1. Please can you advise which herbicides are used by NZTA across New Zealand, including adjuvants and organosilicon surfactants (lease provide formulation names) which are applied to roadside, highway and railway line as part of roadside management. Please can you advise herbicides and mixtures used for each of the Upper, Central and Lower North Island and for the South Island as climates vary and operations may differ.

2. As part of (1) please can you advise the common mixtures of herbicides, adjuvants and organosilican surfactants (referred to as tank mixes) used in roadside, highway and railway line applications.

3. Please can you provide details the total quantities of specific herbicides used in managing road, highway and railway track applied annually across New Zealand.

4. Please can you provide an estimate of the approximate frequency of application of the above herbicides applied annually. This may differ for region so please can you provide the application frequency for the Upper, Central and Lower North Island and for the South Island.

Please consider this an Official Information Act request. Dated 12/07/2019.

Thank you

Kind regards

J. Bruning

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From: Official Correspondence
New Zealand Transport Agency


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Dear J

 

This email acknowledges your below request for information made under the
Official Information Act 1982.

 

Your request has been forwarded to the appropriate section of the
Transport Agency for response. They will contact you if they require
clarification of your request, more time to respond, or if your request
has been transferred to another organisation to respond to. Unless more
time is required, the Transport Agency will send a response to you within
20 working days of receiving your request – in this instance on or before
9 August 2019.

 

If you would like to discuss your request with the Transport Agency,
please contact us by email at [1][email address].

 

Regards  

_________  _____________________________________________   

Ministerial Services – Government and Governance

Office of the Chief Executive

50 Victoria Street, Private Bag 6995, Wellington 6141, New Zealand 

_________  _____________________________________________   

 

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