Pentachlorophenol-treated wood poles and crossarms: Toxicity characteristic leaching procedure (TCLP) results

Goodrich‐Mahoney, J. W.; Murarka, I.P.; Holcombe, L.J.; Horn, M.E.

doi:10.1016/0160-4120(93)90305-2

Cited by 4 publications

(1 citation statement)

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“…This is mainly due to the plastic insulation of the underground cable being susceptible to degradation, such as water treeing which generates water-filled microcavities in the polymer. There is large uncertainty in literature regarding rates of pentachlorophenol (PCP) leaching from utility poles – . Thus, leaching is varied from 0 to 100% to capture all possibilities of contaminant release during pole use.…”

Section: Methods and Datamentioning

confidence: 99%

Life Cycle Assessment of Overhead and Underground Primary Power Distribution

Bumby

Druzhinina

Feraldi

et al. 2010

Environ. Sci. Technol.

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Electrical power can be distributed in overhead or underground systems, both of which generate a variety of environmental impacts at all stages of their life cycles. While there is considerable literature discussing the trade-offs between both systems in terms of aesthetics, safety, cost, and reliability, environmental assessments are relatively rare and limited to power cable production and end-of-life management. This paper assesses environmental impacts from overhead and underground medium voltage power distribution systems as they are currently built and managed by Southern California Edison (SCE). It uses process-based life cycle assessment (LCA) according to ISO 14044 (2006) and SCE-specific primary data to the extent possible. Potential environmental impacts have been calculated using a wide range of midpoint indicators, and robustness of the results has been investigated through sensitivity analysis of the most uncertain and potentially significant parameters. The studied underground system has higher environmental impacts in all indicators and for all parameter values, mostly due to its higher material intensity. For both systems and all indicators the majority of impact occurs during cable production. Promising strategies for impact reduction are thus cable failure rate reduction for overhead and cable lifetime extension for underground systems.

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Section: Methods and Datamentioning

confidence: 99%