Role Of Construction Debris In Release Of Copper Chromium And Arsenic From Treated Wood Structures
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Role Of Construction Debris In Release Of Copper Chromium And Arsenic From Treated Wood Structures
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Author :
language : en
Publisher:
Release Date : 2000
Role Of Construction Debris In Release Of Copper Chromium And Arsenic From Treated Wood Structures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Leaching categories.
Recent research on the release of wood preservatives from treated wood used in sensitive environments has not considered the potential contribution from construction residues. This study sought to develop leaching rate data for small construction debris and compare those to the release rate from treated wood itself. Western hemlock boards were pressure treated with chromated copper arsenate Type C (CCA-C), and then common construction tools were used to generate sawdust or shavings from those boards. These wood particles were then leached in deionized water, and the leaching rate was compared with that of solid wood samples cut from the same specimen. Release rate data from this study were also compared with those from endmatched samples that were leached in artificial rain in an earlier study. The release rates of copper, chromium, and arsenic from CCA-C treated chain saw sawdust, circular saw sawdust, and spade bit shavings were many times higher than from solid wood when samples were immersed in water. There was little difference in the release rates among the three types of shavings and sawdust, despite differences in their particle sizes. The rates of release from decking exposed to rainfall were many times lower than that of construction debris or solid wood continually immersed in water. These results show the importance of minimizing the amount of construction debris that is allowed to enter the aquatic environment. However, example calculations also demonstrate that if reasonable efforts are made to minimize release of construction debris, the contribution of these particles to the overall release of preservative from the structure will be minimal.
Role Of Construction Debris In Release Of Copper Chromium And Arsenic From Treated Wood Structures
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Author :
language : en
Publisher:
Release Date : 2000
Role Of Construction Debris In Release Of Copper Chromium And Arsenic From Treated Wood Structures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Leaching categories.
Research Paper Fpl Rp
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Author :
language : en
Publisher:
Release Date : 1986
Research Paper Fpl Rp written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Forest products categories.
Dividends From Wood Research
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Author :
language : en
Publisher:
Release Date : 2000
Dividends From Wood Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Forests and forestry categories.
The Informed Gardener Blooms Again
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Author : Linda Chalker-Scott
language : en
Publisher: University of Washington Press
Release Date : 2013-02-28
The Informed Gardener Blooms Again written by Linda Chalker-Scott and has been published by University of Washington Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-28 with Gardening categories.
The Informed Gardener Blooms Again picks up where The Informed Gardener left off, using scientific literature to debunk a new set of common gardening myths. Once again, Linda Chalker-Scott investigates the science behind each myth, reminding us that urban and suburban landscapes are ecosystems requiring their own particular set of management practices. The Informed Gardener Blooms Again provides answers to questions such as: Does using drought-tolerant plants reduce water consumption? Is it more effective to spray fertilizers on the leaves of trees and shrubs than to apply it to the soil? Will cedar wood chips kill landscape plants? Should I use ladybugs in my garden as a form of pest control? Does aerobically brewed compost tea suppress disease? Every year Chalker-Scott receives hundreds of e-mails from around the world on these and related topics. Her advice, based on more than twenty years of experience in the field of plant physiology, has helped home gardeners, landscape architects, and nursery and landscape professionals to develop scientifically based sustainable landscaping practices. Watch the book trailer: https://www.youtube.com/watch?v=gWrk2894iyA
Floating Trail Bridges And Docks
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Author : Jasen Neese
language : en
Publisher:
Release Date : 2002
Floating Trail Bridges And Docks written by Jasen Neese and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Docks categories.
The Missoula Technology and Development Center (MTDC) was asked to evaluate the use of floating bridges for trail crossings in very wet areas. This report outlines the basic designs of floating structures. It includes information about floating boat docks, floating bridge designs, anchorage systems, and devices that allow the dock to adjust itself to varying water levels. It also describes the situations where floating bridges may be a practical solution.
Preservative Treated Wood And Alternative Products In The Forest Service
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Author : James Scott Groenier
language : en
Publisher:
Release Date : 2006
Preservative Treated Wood And Alternative Products In The Forest Service written by James Scott Groenier and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Bridges categories.
Guidelines For Design Installation And Maintenance Of A Waterproof Wearing Surface For Timber Bridge Decks
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Author :
language : en
Publisher:
Release Date : 2001
Guidelines For Design Installation And Maintenance Of A Waterproof Wearing Surface For Timber Bridge Decks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Bridges categories.
Crossings
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Author :
language : en
Publisher:
Release Date : 1999
Crossings written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Wooden bridges categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 2000
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Government publications categories.