tailieunhanh - Alternatives for Ground Water Cleanup

Over the past 15 years, evidence has accumulated that the nation's ground water resource, which supplies more than 50 percent of the population's drinking water, is threatened not only by excessive overdrafts but also by contamination caused by past and present industrial, agricultural, and commercial activities. In the United States, it is estimated that more than 300,000 sites may have contaminated soil or ground water requiring some form of remediation (see Table 1-2 in Chapter 1). The potential cost of these remedial activities may be as large as $750 billion in 1993 dollars to be spent over the next 20 to 30 years (see Chapter 1). The magnitude. | http catalog We ship printed books within 1 business day personal PDFs are available immediately. Alternatives for Ground Water Cleanup Committee on Ground Water Cleanup Alternatives National Research Council ISBN 0-309-58624-0 336 pages 6 x 9 1994 This PDF is available from the National Academies Press at http catalog Visit the National Academies Press online the authoritative source for all books from the National Academy of Sciences the National Academy of Engineering the Institute of Medicine and the National Research Council Download hundreds of free books in PDF Read thousands of books online for free Explore our innovative research tools - try the Research Dashboard now Sign up to be notified when new books are published Purchase printed books and selected PDF files Thank you for downloading this PDF. If you have comments questions or just want more information about the books published by the National Academies Press you may contact our customer service department toll-free at 888-624-8373 visit us online or send an email to feedback@. This book plus thousands more are available at http . Copyright National Academy of Sciences. All rights reserved. Unless otherwise indicated all materials in this PDF File are copyrighted by the National Academy of Sciences. Distribution posting or copying is strictly prohibited without written permission of the National Academies Press. Request reprint permission for this book. THE NATIONAL ACADEMIES Advisers Io the Nation on Science Engineering and Medicine Alternatives for Ground Water Cleanup http catalog About this PDF file This new digital representation of the original work has been recomposed from XML files created from the original paper book not from the original typesetting files. Page breaks are true to the original line lengths word breaks heading styles and other typesetting-specific formatting however cannot be retained and .