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Steel is acknowledged as the world's most recycled material. In fact, it is 100 percent recyclable over and over again, without product degradation. This means its life cycle is potentially continuous. Steel scrap is a necessary component in the production of new steel. The average recycled content of steel produced by New Zealand Steel is approximately 5% from pre-consumer scrap.

Steel is lustrous, malleable, ductile, durable, strong and can be alloyed and coated to provide a range of products ideally suited to today's built environment. The advantages of using steel in building applications include:

At every stage of the production chain, from the initial mining of iron sand through to the finished product, New Zealand Steel strives to achieve leading industry practice. After extracting the iron sand (titanomagnetite) concentrate, unwanted material is returned to the areas that have been mined, to begin the process of returning the land to its original form.

The quality of wastewater is controlled and monitored as it leaves the wastewater treatment plants.

The composite sample is done on a 24 hour flow proportional basis.

Where the wastewater discharges into the Waiuku Estuary there is an area in which the wastewater mixes with the water of the Estuary. This is referred to as the New Zealand Steel 'mixing zone'.

New Zealand Steel has an air monitoring programme in place to assess air quality at the boundary of the industrial site and in the community. Continuous monitoring of the effect of Glenbrook's operations is an essential part of the company's commitment to minimise emissions. Special studies have also been commissioned by the company to consider the effect of emissions on the community and agricultural activity in the surrounding area.

A summary of ZINCALUME® as it relates to the NZ Building Code.

Our Sustainability Snapshot 2022 provides an overview of the key steps we took and achievements we have made on our sustainability journey this year. The snapshot demonstrates how we are focusing our actions to deliver on key sustainability outcomes including; safe and inclusive workplaces, environment and climate action, responsible products & supply chain and strong communities.

Sustainability sits at the heart of our business; it is important to us in every facet of our operations includ…