Title: Cradle to Gate Life Cycle Assessment of Softwood Lumber Production from the Northeast-North Central
Author: Puettmann, Maureen; Oneil, Elaine; Bergman, Richard PhD;
Source: Consortium for Research on Renewable Industrial Materials. University of Washington. Seattle, WA. April 2013. 33 p.
Publication Series: Scientific Journal (JRNL)
Description: CORRIM, the Consortium for Research on Renewable Industrial Materials, has derived life cycle inventory (LCI) data for major wood products and wood production regions in the United States. The life cycle inventory data cover from forest regeneration through to final product at the mill gate. Research has covered nine major forest products including both structural and nonstructural uses and four major regions: in this report we focus on planed dry softwood lumber produced in the US Northeast-North central (NE-NC) region. The NE-NC regional data is a representative cross-section of forest growth and manufacturing processes in 20 states. Due to little or no production 6 states have been omitted: Connecticut, Delaware, Illinois, Iowa, New Jersey, and Ohio. This document updates the current wood product LCI’s from a gate to gate to a cradle to gate LCI. Updates include the addition of NE-NC forestry operations, boiler, and electrical grid that have been developed since the original mill surveys were conducted in the years 1999 and 2000. The updated LCI data were used to conduct life cycle impact assessments (LCIA) using the North American impact method, TRACI 2.0 (Simapro version 4.0)(Tool for the Reduction and Assessment of Chemical and Other Environmental Impacts) (Bare et al. 2011). These updates are necessary for the development of environmental product declarations (EPD) which will be based on this document. This document originates from the CORRIM LCI reports by Bergman and Bowe (2009, 2010) and Oneil et al. (2010). Updates in this report from the original Bergman report include: wood combustion boiler updates, electricity grid updates (Goemans 2010), and an LCIA. Updates to the forestry operations report include electricity grid updates and an LCIA using the TRACI method. This report follows data and reporting requirements as outlined in the Product Category Rules (PCR) for North American Structural and Architectural Wood Products (PCR 2011) that will provide the guidance for preparation of North American wood product EPD. This report does not include comparative assertions.
Keywords: LCA, Softwood lumber, environmental impacts, EPD, Life cycle
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Puettmann, Maureen; Oneil, Elaine; Bergman, Richard 2013. Cradle to Gate Life Cycle Assessment of Softwood Lumber Production from the Northeast-North Central. Puettmann M, Oneil E, Bergman R. 2013. Cradle-to-gate life cycle assessment of softwood lumber production from the northeast-north central. Consortium for Research on Renewable Industrial Materials. University of Washington. Seattle, WA. April 2013. 33 p.
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