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5 BIBLIOGRAPHY Rapporto di LCA della pelle bovina finita del 9 dicembre 2011 – Gruppo Dani Spa Rapporto di Carbon Footprint di prodotto del 7 giugno 2011 – Gruppo Dani Spa Product Category Rules – Finished Bovine Leather – Version 1.0_dated 2011-09-28 Database: Ecoinvent 2.2; Buwal 250; LCAfood Industry data. Cradle-to-Gate Environmental Assessment of Enzyme Products Produced Industrially in Denmarkby Novozymes A/S; Per H. Nielsen et al.; Int J LCA 2006 (OnlineFirst): 7 Rapporto ambientale UNIC 20096 GLOSSARY Acidification: lowering the pH level in soil, lakes, forests, caused by emissions into theatmosphere of acid substances, with subsequent damage to living organisms (e.g. “acid rain” ). Greenhouse effect (GWP 100): a global heating phenomenon of the atmosphere, calculated forthe next 100 years, due to emissions into the atmosphere of greenhouse effect gases, such ascarbon dioxide (CO 2 ), methane (CH 4 ), nitrous oxide (N 2 O), etc. Eutrophication: reduction of the oxygen level in the water, which is necessary for theecosystems, cause of excessive deposits of nutrients such as nitrogen and phosphorous. Reduction of the ozone layer: degradation of the stratospheric ozone layer, which is a protectivebarrier against ultraviolet sunrays, due to particularly reactive substances which are formed fromchlorofluorocarbons (CFC) or chlorofluoromethanes (CFM). The reference substance used for theODP (Ozone Depletion Potential) is trichlorofluoromethane, or CFC-11. Formation of photochemical smog: formation of ozone on the earth surface level due toemissions into the atmosphere of unburnt hydrocarbons and nitrous oxide due to sun radiation.This phenomenon is damaging for living organisms and is often found in large urban centres. Wet blue: wet leather after chrome tanning (intermediate process phase). Crust: tanned, greased and dried leather, ready for finishing.GRUPPO DANI SPA – EPD® 10