Emissions and Discharges to water from the production process discharges consist primarily of fibre and The remainder our environmental statistics for the ends up as solid first time in 2006 and the closure of dissolved organic material. waste or sludge, or the Union mill had an impact on the is discharged from year-on-year performance trends. Roughly 95% of the chips and the manufacturing Our average peformance figures process with the related to water use and effluent treat- roundwood used and about 80% waste water. The ment showed a positive trend. Average latter is treated in carbon dioxide emissions per unit of of the recovered paper received various types of output have increased. effluent treatment Emissions and discharges from all are converted to products. plants before the mills are measured regularly, but being discharged measuring and reporting routines to the receiving environment. Emis- may vary in line with national re- sions to the air occur primarily from quirements and regulations. No acute energy generation. Most of our mills incidents or major infringements of have their own boilers or incinerators the emission limits set by the regula- for producing thermal energy (heat). tory authorities occurred at our mills Modern mills utilise by-products, such in 2006, although the Norske Skog as sludge from waste water treatment Skogn and Norske Skog Follum mills and deinking plants, and other experienced effluent treatment issues organic waste from the production which exceeded permit conditions for process as biofuel for thermal energy extended periods in early 2006. production. Fossil fuels in the form of gas, oil or coal may also be used. EUROPEAN MILLS Environmental loads primarily relate The European mills must hold emis- to emissions of sulphur dioxide and ni- sion permits by the end of 2007 which trogen oxides as well as carbon dioxide accord with the EU’s integrated pol- from the combustion of fossil fuels. lution prevention and control (IPPC) The inclusion of the Asian mills in directive. This includes provisions on 20 NORSKE SKOG SUSTAINABILITY REPORT ENVIRONMENT 58% of mill waste used as an energy source 450 400 350 300 250 200 1000 150 900 100 800 50 450 700 405 600 0 100 360 500 315 400 80 270 10 % 300 225 200 8 % 60determining standards for emissions technique (BAT). A project to upgrade cal oxygen demand - COD) in treated 180 100 to the air, discharges to water, noise the Norske Skog Follum effl uent effl uent also remained at levels similar 135 6 % 0 40 and waste management. It also per- treatment35 plant will be completed to previous years, averaging just below 90 4 % 45 mits the regulatory authorities to set and 30operational by the end of 2007. fi ve kilograms450 per tonne of paper. 20 0 2 % requirements for energy consumption. Reducing25 water consumption has been 400 0 350 0 % All mills will hold such permits by the a goal20 for several of our European AUSTRALASIAN MILLS end of 2007. mills in recent years. After continu- Specifi300 c water use has declined slightly 15 -2 % With the exception of Norske Skog ous improvements over a long period, over the250 past three years and remains 10 200 1000 100 3500 Follum, all our European mills already discharges in 2006 were at similar a priority150 area for 2007. On average, 900 5 3000 3000 have emission discharge levels which levels to the previous year. Specifi c water use100 is signifi cantly higher than at 35 800 80 0 50 450 700 accord with the use of best available discharges of organic material (chemi- the European mills. This partly refl ects 30 2500 2500 405 600 0 60 25 2000 100 360 2000 500 20 315 1500 400 40 1500 80 270 10 % 300 15 1000 225 200 Emissions of CO Water discharges Discharges of organic 1000 20 2 8 % 60 10 180 500 100 substances (COD) 135 500 0 6 % 0 0 5 40 90 450 45 35 0 0 4 % 45 400 40 30 20 0 350 35 2 % 25 300 30 100 0 12 % 0 % 20 250 25 3500 10 % /tonne 80 200 3 20 15 m -2 % kg/tonne kg/tonne 3000 8 % 1000 150 15 10 6 % 900 2500 60 100 100 10 800 3500 4 % 5 50 5 450 2000 700 3000 3000 35 2 % 40 80 0 405 600 0 0 1500 0 % 30 2500 100 2500 360 500 2002 2003 2004 2005 2006 2002 2003 2004 2005 2006 2002 2003 2004 2005 2006 1000 -2 % 20 60 315 400 2000 25 2000 Europe Asia Europe Asia Europe Asia -4 % 80 270 10 % 300 500 1500 0 Australasia Norske Skog Australasia Norske Skog Australasia Norske Skog 20 -6 % 40 225 1500 200 8 % Average Average Average 0 60 South-America South-America South-America180 15 100 1000 1000 20 135 6 % 0 10 40 500 35 90 500 5 4 % 0 0 45 30 20 45 0 0 0 2 % 25 40 0 35 2 0 % 20 NORSKE SKOG SUSTAINABILITY REPORT 30 100 12 % 15 -2 % 25 3500 10 % 10 80 20 3000 8 % 100 3500 15 5 6 % 2500 60 3000 3000 10 35 4 % 80 0 5 2000 2500 30 2500 2 % 40 0 60 1500 2000 0 % 25 2000 -2 % 20 1000 20 1500 40 1500 -4 % 500 1000 0 15 -6 % 1000 20 0 500 10 500 0 0 5 45 0 0 40 35 30 100 12 % 25 3500 10 % 80 20 3000 8 % 15 6 % 2500 60 10 4 % 5 2000 2 % 40 0 1500 0 % -2 % 20 1000 -4 % 500 0 -6 % 0 special conditions at Norske Skog will include the construction of ad- of organic waste at the mills. Before Boyer, which utilises a eucalyptus pulp ditional effluent treatment capacity. final disposal, the sludge is dewatered production plant which yields higher in various types of presses to produce specific discharges than traditional ASIAN MILLS a residue which normally represents softwood pulp production. Work The mills in Asia are included in our 35-65% of the original volume. Waste began in 2006 on the construction of environmental statistics for the first at our mills in 2006 totalled just over a biological effluent treatment plant at time in 2006. Whilst no trend exists for one million tonnes. Most of the sludge, Boyer. This is due to be operational by emissions data the observed environ- bark and other wood waste is inciner- the third quarter of 2007. mental performance of the mills is, in ated and used to generate thermal en- Paper machine rebuilds occurred many cases, consistent with or better ergy. Such incineration yields substan- at both the Norske Skog Albury and than BAT standards. tial quantities of ash – just under 320 Norske Skog Tasman mills in 2006. 000 tonnes in 2006. More than 60% of The Norske Skog Albury rebuild NOISE AND VIbratION this volume was used as a raw material included an upgrade of its biological All our mills operate in accordance in cement production, while the rest effluent treatment system to cater for with noise standards set by the regula- largely went to landfills. Hazardous greater treatment demands associated tory authorities. However, measure- materials account for less than 1% of with increased production. ments carried out in 2002 at Norske the waste produced at our mills. The use of coal at Norske Skog Skog Tasman indicated that this facil- Acquiring the five Asian mills re- Boyer is the main reason why the ity may exceed local noise guidelines sulted in a substantial increase in our Australasian mills generally have from time to time in an area close to waste volumes for 2006. This largely higher specific greenhouse gas emis- the facility. No complaints have been reflects the fact that these mills are sions than facilities in other regions. received and no remedial measures based on recovered paper, and have Emissions per tonne of output in 2006 have been required by the authorities. extensive effluent treatment plants were above 2005 levels. Five of the mills received com- which generate considerable volumes plaints about noise from neighbours of sludge. This is particularly the case SOUTH AMERICAN MILLS in 2006, primarily as a result of acute for the Korean mills. The Asian facili- Discharges of organic materials to incidents where remedial action was ties account for more than 35% of the water at Norske Skog Bio Bio in Chile taken immediately. Two complaints total waste we generate, compared have continued to decline since its new were also received by Norske Skog with 25% of our production. To deal sedimentation plant for waste water Parenco about ground vibration in a with the waste volumes, substantial treatment became operational in May property near the mill. This has been investments have been made in dewa- 2003. This facility has significantly re- an issue for a number of years, and tering equipment and energy recovery. duced discharges of dissolved organic the mill has worked systematically The aim is to exploit as much organic substances and suspended solids. to identify its cause. The position Additional investment in effluent improved somewhat after the instal- treatment is required in order for the lation of new equipment in 2003, but Total production waste generated mill to meet the new national discharge complaints are still being received. The by Norske Skog 2006 standard for easily degradable organic mill will continue to focus on identify- 1 020 000 tonne (dry) material (biochemical oxygen demand ing the cause in order to eliminate the over five days – BOD5). The installa- problem. Norske Skog Chongwon was tion of secondary (biological) effluent one of eight businesses in its area cited 450 treatment is under way at Norske Skog in a general complaint about noise sub- 400 Bio Bio for commissioning in early 2008.