A rapid method for the determination of asbestos fiber at an intermediate treatment facility for construction and demolition waste (CDW) is required. Although the rapid method which involves visual observation has been developed, the determination accuracy and time are unknown. The purpose of this study was to determine the identification rate of asbestos-containing material (ACM: > 0.1w%), the time required for asbestos fiber determination by visual observation, and the asbestos content in CDW. After participating in a short training course for ACM determination, persons who did not have any knowledge of asbestos fiber determination were able to determine ACM in CDW by visual observation. Using the results of visual observation, an ACM sorting model was formulated. The model enabled simulation of asbestos content after sorting by inputting asbestos content distribution into CDW before sorting. However, 0.35 w% of asbestos still remained in the non-ACM fraction, i.e., the content was > 0.1 w%. The relationship between the number of sorters and the total sorting time for disaster waste from the Great East Japan Earthquake was presented. It was found that a very long time and a large number of people were required for sorting.
Published in | American Journal of Environmental Protection (Volume 3, Issue 5) |
DOI | 10.11648/j.ajep.20140305.21 |
Page(s) | 275-282 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2014. Published by Science Publishing Group |
Asbestos, Construction and Demolition Waste, Visual Observation, Sorting
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APA Style
Hiroshi Asakura, Mikio Kawasaki, Kazuyuki Suzuki, Kei Nakagawa, Yoichi Watanabe. (2014). Determination and Sorting of Asbestos-Containing Material by Visual Observation. American Journal of Environmental Protection, 3(5), 275-282. https://doi.org/10.11648/j.ajep.20140305.21
ACS Style
Hiroshi Asakura; Mikio Kawasaki; Kazuyuki Suzuki; Kei Nakagawa; Yoichi Watanabe. Determination and Sorting of Asbestos-Containing Material by Visual Observation. Am. J. Environ. Prot. 2014, 3(5), 275-282. doi: 10.11648/j.ajep.20140305.21
AMA Style
Hiroshi Asakura, Mikio Kawasaki, Kazuyuki Suzuki, Kei Nakagawa, Yoichi Watanabe. Determination and Sorting of Asbestos-Containing Material by Visual Observation. Am J Environ Prot. 2014;3(5):275-282. doi: 10.11648/j.ajep.20140305.21
@article{10.11648/j.ajep.20140305.21, author = {Hiroshi Asakura and Mikio Kawasaki and Kazuyuki Suzuki and Kei Nakagawa and Yoichi Watanabe}, title = {Determination and Sorting of Asbestos-Containing Material by Visual Observation}, journal = {American Journal of Environmental Protection}, volume = {3}, number = {5}, pages = {275-282}, doi = {10.11648/j.ajep.20140305.21}, url = {https://doi.org/10.11648/j.ajep.20140305.21}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20140305.21}, abstract = {A rapid method for the determination of asbestos fiber at an intermediate treatment facility for construction and demolition waste (CDW) is required. Although the rapid method which involves visual observation has been developed, the determination accuracy and time are unknown. The purpose of this study was to determine the identification rate of asbestos-containing material (ACM: > 0.1w%), the time required for asbestos fiber determination by visual observation, and the asbestos content in CDW. After participating in a short training course for ACM determination, persons who did not have any knowledge of asbestos fiber determination were able to determine ACM in CDW by visual observation. Using the results of visual observation, an ACM sorting model was formulated. The model enabled simulation of asbestos content after sorting by inputting asbestos content distribution into CDW before sorting. However, 0.35 w% of asbestos still remained in the non-ACM fraction, i.e., the content was > 0.1 w%. The relationship between the number of sorters and the total sorting time for disaster waste from the Great East Japan Earthquake was presented. It was found that a very long time and a large number of people were required for sorting.}, year = {2014} }
TY - JOUR T1 - Determination and Sorting of Asbestos-Containing Material by Visual Observation AU - Hiroshi Asakura AU - Mikio Kawasaki AU - Kazuyuki Suzuki AU - Kei Nakagawa AU - Yoichi Watanabe Y1 - 2014/11/20 PY - 2014 N1 - https://doi.org/10.11648/j.ajep.20140305.21 DO - 10.11648/j.ajep.20140305.21 T2 - American Journal of Environmental Protection JF - American Journal of Environmental Protection JO - American Journal of Environmental Protection SP - 275 EP - 282 PB - Science Publishing Group SN - 2328-5699 UR - https://doi.org/10.11648/j.ajep.20140305.21 AB - A rapid method for the determination of asbestos fiber at an intermediate treatment facility for construction and demolition waste (CDW) is required. Although the rapid method which involves visual observation has been developed, the determination accuracy and time are unknown. The purpose of this study was to determine the identification rate of asbestos-containing material (ACM: > 0.1w%), the time required for asbestos fiber determination by visual observation, and the asbestos content in CDW. After participating in a short training course for ACM determination, persons who did not have any knowledge of asbestos fiber determination were able to determine ACM in CDW by visual observation. Using the results of visual observation, an ACM sorting model was formulated. The model enabled simulation of asbestos content after sorting by inputting asbestos content distribution into CDW before sorting. However, 0.35 w% of asbestos still remained in the non-ACM fraction, i.e., the content was > 0.1 w%. The relationship between the number of sorters and the total sorting time for disaster waste from the Great East Japan Earthquake was presented. It was found that a very long time and a large number of people were required for sorting. VL - 3 IS - 5 ER -