Role of Construction Debris in Release of Copper, Chromium, and Arsenic from Treated Wood Structures PDF Download
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Author:
Publisher:
ISBN:
Category : Leaching
Languages : en
Pages : 8
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Book Description
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.
Author: Patrick Ness
Publisher: HarperCollins
ISBN: 0062403214
Category : Young Adult Fiction
Languages : en
Pages : 304
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Book Description
Inspired by Judy Blume’s Forever and Virginia Woolf’s Mrs. Dalloway, this novel that Andrew Smith calls “beautiful, enchanting, [and] exquisitely written” is a new classic about teenage relationships, self-acceptance—and what happens when the walls we build start coming down. A Kirkus Best Book of 2017! Adam Thorn doesn’t know it yet, but today will change his life. Between his religious family, a deeply unpleasant ultimatum from his boss, and his own unrequited love for his sort-of ex, Enzo, it seems as though Adam’s life is falling apart. At least he has two people to keep him sane: his new boyfriend (he does love Linus, doesn’t he?) and his best friend, Angela. But all day long, old memories and new heartaches come crashing together, throwing Adam’s life into chaos. The bindings of his world are coming untied one by one; yet in spite of everything he has to let go, he may also find freedom in the release. From the New York Times bestselling author of A Monster Calls comes a raw, darkly funny, and deeply affecting story about the courage it takes to live your truth.
Author: Michael T. Nygard
Publisher: Pragmatic Bookshelf
ISBN: 1680504525
Category : Computers
Languages : en
Pages : 508
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Book Description
A single dramatic software failure can cost a company millions of dollars - but can be avoided with simple changes to design and architecture. This new edition of the best-selling industry standard shows you how to create systems that run longer, with fewer failures, and recover better when bad things happen. New coverage includes DevOps, microservices, and cloud-native architecture. Stability antipatterns have grown to include systemic problems in large-scale systems. This is a must-have pragmatic guide to engineering for production systems. If you're a software developer, and you don't want to get alerts every night for the rest of your life, help is here. With a combination of case studies about huge losses - lost revenue, lost reputation, lost time, lost opportunity - and practical, down-to-earth advice that was all gained through painful experience, this book helps you avoid the pitfalls that cost companies millions of dollars in downtime and reputation. Eighty percent of project life-cycle cost is in production, yet few books address this topic. This updated edition deals with the production of today's systems - larger, more complex, and heavily virtualized - and includes information on chaos engineering, the discipline of applying randomness and deliberate stress to reveal systematic problems. Build systems that survive the real world, avoid downtime, implement zero-downtime upgrades and continuous delivery, and make cloud-native applications resilient. Examine ways to architect, design, and build software - particularly distributed systems - that stands up to the typhoon winds of a flash mob, a Slashdotting, or a link on Reddit. Take a hard look at software that failed the test and find ways to make sure your software survives. To skip the pain and get the experience...get this book.
Author: Blythe Woolston
Publisher: Carolrhoda Lab ®
ISBN: 1467731943
Category : Young Adult Fiction
Languages : en
Pages : 216
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Book Description
I should have died quick. But I didn't. I'm a miracle of modern medicine, only the medicine doesn't get much credit, I notice. People say I'm lucky, or I'm blessed, and then they turn away. I'm not the only miracle. There's Odd too. Polly Furnas had The Plan for the future. Get married to Bridger Morgan, for one. College, career, babies. Etc. All the important choices were made. It was all happily-ever-after as a diamond-ring commercial. But The Plan did not include a lethal drug-resistant infection. It did not include “some more reconstruction and scar revision in the future." And it certainly did not include Odd Estes, a trip to Portland in an ancient Cadillac to "tear Bridger a new one," fly fishing, marshmallows, Crisco, or a loaded gun. But plans change. Stories get revised and new choices must be made. Polly and Odd have choices. Surviving or not. Catch or release.
Author: Alex Calvin
Publisher: Dark Horse Comics
ISBN: 1506721265
Category : Games & Activities
Languages : en
Pages : 232
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Book Description
A full-colour hardcover companion tome that offers a look behind the scenes as the iconic online fantasy RPG celebrates its 20th birthday! In 2001, RuneScape transformed the world of MMORPGs with a magical world that was free-to-play in your browser. Assuming any number of fantasy roles, players carved their own adventures in a fantasy land filled with vibrant characters, daring adventure and mystery. In an industry where success can often be short lived, RuneScape has defied the odds by not just surviving, but thriving over an incredible two decades. Now you can get an insider's look at the tremendous talent and enormous effort that went into creating the land of Gielinor and the magical races who inhabit it. Jagex and Dark Horse present a guide to the history of the RuneScape franchise, exploring the detailed tapestry of RuneScape and Old School RuneScape through exciting and exclusive art and behind the scenes interviews!
Author: Sandra D. Wilson
Publisher:
ISBN: 9780830816019
Category : Adult children of dysfunctional families
Languages : en
Pages : 201
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Book Description
Sandra D. Wilson explains the patterns of thinking and feeling common to children of dysfunctional families and helps readers start on their own journey toward freedom and wholeness.
Author:
Publisher:
ISBN:
Category : Leaching
Languages : en
Pages : 8
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Book Description
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.
Author: Stephanie Minor-Harper
Publisher:
ISBN:
Category : Prison sentences
Languages : en
Pages : 12
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Book Description
Author: New York (State)
Publisher:
ISBN:
Category : Session laws
Languages : en
Pages : 1278
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Author: United States Department of State
Publisher:
ISBN:
Category :
Languages : en
Pages : 1250
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 114
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