An Approach to Integrating Occupational Safety and Health into Life Cycle Assessment: Development and Application of Work Environment Characterization Factors.
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| Title: | An Approach to Integrating Occupational Safety and Health into Life Cycle Assessment: Development and Application of Work Environment Characterization Factors. |
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| Authors: | Scanlon, Kelly A., Lloyd, Shannon M., Gray, George M., Francis, Royce A., LaPuma, Peter |
| Source: | Journal of Industrial Ecology. Feb2015, Vol. 19 Issue 1, p27-37. 11p. |
| Subjects: | Industrial hygiene research, Industrial safety, Health impact assessment, Work environment research, Quality-adjusted life years |
| Abstract: | Integrating occupational safety and health (OSH) into life cycle assessment (LCA) may provide decision makers with insights and opportunities to prevent burden shifting of human health impacts between the nonwork environment and the work environment. We propose an integration approach that uses industry-level work environment characterization factors (WE-CFs) to convert industry activity into damage to human health attributable to the work environment, assessed as disability-adjusted life years (DALYs). WE-CFs are ratios of work-related fatal and nonfatal injuries and illnesses occurring in the U.S. worker population to the amount of physical output from U.S. industries; they represent workplace hazards and exposures and are compatible with the life cycle inventory (LCI) structure common to process-based LCA. A proof of concept demonstrates application of the WE-CFs in an LCA of municipal solid waste landfill and incineration systems. Results from the proof of concept indicate that estimates of DALYs attributable to the work environment are comparable in magnitude to DALYs attributable to environmental emissions. Construction and infrastructure-related work processes contributed the most to the work environment DALYs. A sensitivity analysis revealed that uncertainty in the physical output from industries had the most effect on the WE-CFs. The results encourage implementation of WE-CFs in future LCA studies, additional refinement of LCI processes to accurately capture industry outputs, and inclusion of infrastructure-related processes in LCAs that evaluate OSH impacts. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Integrating occupational safety and health (OSH) into life cycle assessment (LCA) may provide decision makers with insights and opportunities to prevent burden shifting of human health impacts between the nonwork environment and the work environment. We propose an integration approach that uses industry-level work environment characterization factors (WE-CFs) to convert industry activity into damage to human health attributable to the work environment, assessed as disability-adjusted life years (DALYs). WE-CFs are ratios of work-related fatal and nonfatal injuries and illnesses occurring in the U.S. worker population to the amount of physical output from U.S. industries; they represent workplace hazards and exposures and are compatible with the life cycle inventory (LCI) structure common to process-based LCA. A proof of concept demonstrates application of the WE-CFs in an LCA of municipal solid waste landfill and incineration systems. Results from the proof of concept indicate that estimates of DALYs attributable to the work environment are comparable in magnitude to DALYs attributable to environmental emissions. Construction and infrastructure-related work processes contributed the most to the work environment DALYs. A sensitivity analysis revealed that uncertainty in the physical output from industries had the most effect on the WE-CFs. The results encourage implementation of WE-CFs in future LCA studies, additional refinement of LCI processes to accurately capture industry outputs, and inclusion of infrastructure-related processes in LCAs that evaluate OSH impacts. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 10881980 |
| DOI: | 10.1111/jiec.12146 |
