Emissions of volatile organic compounds (VOC)
During 2010 VOC emissions to air by the Perstorp Group amounted to 328 (312) tons. This represents a relative reduction of around 5% per ton of product during 2010. Emissions mainly comprise Toluene diisocyanate, formic acid and other organic hydrocarbons.

Emissions of sulphur dioxide & nitrogen oxides 
Perstorp's emissions of sulphur dioxide mainly come from burning sulphur-containing fuel at the Group's plants. In 2010 the Group emitted 151 (205) tons of sulphur dioxide. The production site at Zibo in China accounted for the largest decrease in emissions of sulphur dioxide. Emissions of nitrogen oxides, also from incineration operations, amounted to 286 (270) tons. This was a relative decline of around 5%, however, when measured per ton of product.

Waste
The total amount of waste for the Perstorp Group amounted to 85,000 (67,000) tons in 2010. The increase was mainly due to maintenance work at Pont-de-Claix, France, and the closure of the wastewater treatment plant at Castellanza, Italy.

A great deal of waste is used internally within the Perstorp Group for energy recovery, for example 8,630 (6,706) tons of return methanol at Perstorp, reaction mother lye at Bruchhausen and isocyantes at Pont-de-Claix. By recycling this into energy the need for fossil fuels is reduced.

Waterborne contaminants 
Perstorp is fully aware that water is becoming a limited resource and therefore makes great efforts to improve in this area. Most production sites managed to reduce their consumption of water during the year and thus cut emissions of waterborne contaminants, partly by re-circulation and partly by using water streams in series for different process stages. The Group has reduced its waterborne contaminants (COD) in relative terms by around 5% per ton of product.

The sites at Toledo, Bruchhausen and Singapore have reduced COD in relative terms by around 10% per ton of product. The sites at Perstorp and Toledo account for most emissions to water within the Group. At the sites at Jurong Island in Singapore, Perstorp, Stenungsund, Vapi and Zibo, emissions are treated within the site area.

Soil
There was no significant pollution of soil in 2010.

Transport
As part of efforts to reduce climate impact the Perstorp Group has strict requirements regarding engine and fuel types when purchasing external transport. Surveys are used to ensure the correct environmental performance profile.

A new harbour pier is being constructed at Stenungsund to reduce waiting times for ships arriving in port. As a producer of Rapeseed Methyl Ester (RME), Perstorp is working to use this fuel for truck transport.

Perstorp & green IT
During the past years Perstorp has measured the "data center power consumption" with the goal of steadily decreasing it and reducing the environmental impact of IT Services. Several virtualization project have resulted in significant results. From 2008 to 2010 the power consumption has been decreased by 22 %.

The new ambition is to actively search for at least three Green IT Goals within main IT focus areas during 2010 with focus on how Perstorp can contribute to sustainable development in IT-related areas.