Simplified Procedures for Water Examination M12: AWWA Manual of Practice 6th Edition, ISBN-13: 978-1583219973
[PDF eBook eTextbook]
- Publisher: American Water Works Association; 6th edition (May 1, 2014)
- Language: English
- 240 pages
- ISBN-10: 1583219978
- ISBN-13: 978-1583219973
This publication is the sixth edition and the fourth revision of the original American Water Works Association (AWWA) Manual M12, Simplified Procedures for Water Examination Laboratory. The original manual, published in 1964, was revised in 1975, with a supplement on instrumental methods added in 1978. A complete revision was done in 1997 and updated in 2002. This 2014 edition includes basic quality control and disposal guidance that may be superseded by local or state regulations. The appendices were updated to include containers, preservatives, and holding times.
The original goal for the manual—to provide operators with simplified procedures for tests commonly needed for process control in drinking water production—remains the same. Monitoring plant processes through reliable, reproducible analyses enables plant operators to evaluate and optimize those processes to produce the highest possible quality drinking water.
The manual has been rewritten to include new and updated methods, laboratory equipment, safety procedures, and disposal guidelines. AWWA does not intend to recommend any one manufacturer, as most kits are available from a variety of manufacturers.
This manual contains basic information on quantitative analysis, but beginners in the laboratory can gain helpful training from additional resources, such as short courses offered by state departments of health, AWWA sections, and chemical or equipment suppliers. Such classroom instruction, demonstrations by experienced teachers, and supervised laboratory work provide valuable additions to independent reading and practice. The methods in this manual are simplified methods, and it is important to note when more sophisticated methods may be required for compliance monitoring. This manual is not designed to replace Standard Methods for the Examination of Water and Wastewater. M12 may serve as a tool to acquire laboratory skills that will eventually facilitate the use of Standard Methods. Refer to Standard Methods for more information on methods and water quality.
The methods included in M12 are based on the presumption of high-quality water of known and relatively constant composition. State health departments or other regulatory agencies that conduct bacteriological and chemical analyses of drinking waters should be consulted for advice of the applicability of methods to your situation. Some source waters may require the more complicated procedures from Standard Methods. Please note that there is a warning section for each procedure to ensure the applicability of the method. Appendix A provides information regarding containers, recommended minimum volumes, preservation, and maximum holding times. These may be superseded by local or state regulations. Appendix B provides directions for the preparation of common types of reagents. Appendix C provides information on the safe storage of chemicals. A list of the compounds identified in this manual is available in Appendix D. References are presented in Appendix E with a glossary and periodic table at the end of the manual.
Established in 1881, the American Water Works Association is the oldest and largest nonprofit, scientific and educational association dedicated to safe and sustainable water in the world. With more than 50,000 members worldwide and 43 Sections in North America, AWWA advances public health, safety and welfare by uniting the efforts of the entire water community.
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