1、AWWA Standard SM Anhydrous Ammonia Effective date: May 1, 2015. First edition approved by AWWA Board of Directors Feb. 12, 2006. This edition approved Jan. 24, 2015. Approved by American National Standards Institute Jan. 12, 2015. ANSI/AWWA B305-15 (Revision of ANSI/AWWA B305-06) ii AWWA Standard Th
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11、andards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036; 212.642.4900; or emailing infoansi.org. ISBN-13, print: 978-1-62576-072-2 eISBN-13, electronic: 978-1-61300-327-5DOI: http:/dx.doi.org/10.12999/AWWA.B305.15 All rights reserved. No part of this publication may be reproduced or
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14、content is the product of thousands of iii Committee Personnel The AWWA Standards Committee on Disinfectants, which reviewed and approved this standard, had the following personnel at the time of approval: K. Blake Stark, Chair General Interest Members M.P. Chaulk, CBCL Limited Consultants Limited,
15、Halifax Region Municipality, N.S., Canada (AWWA) M.C. Graves, HDR Engineering, Austin, Texas (AWWA) H. Huddle, Camp Dresser write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at standardsawwa.org. 1 AWWA Standard Anhydrous Ammonia SECTION 1: GENERAL Sec. 1.1 Scope Th
16、is standard describes the use of anhydrous ammonia in the treatment of potable water, wastewater, and reclaimed water. Anhydrous ammonia is expressed by the formula NH 3 . Anhydrous means free from water. Sec. 1.2 Purpose The purpose of this standard is to provide the minimum requirements for anhydr
17、ous ammonia, including physical, chemical, sampling, testing, packaging, and shipping requirements. Sec. 1.3 Application This standard can be referenced in documents for purchasing and receiving anhydrous ammonia and can be used as a guide for testing the physical and chemi- cal properties of anhydr
18、ous ammonia. The stipulations of this standard apply when this document has been referenced and then only to anhydrous ammonia used in the treatment of potable water, wastewater, and reclaimed water. ANSI/AWWA B305-15 (Revision of ANSI/AWWA B305-06) 2 AWWA B305-15 SECTION 2: REFERENCES This standard
19、 references the following documents. In their latest editions, they form a part of this standard to the extent specified within the standard. In any case of conflict, the requirements of this standard shall prevail. AOAC International.* Official Methods of Analysis. Method 959.02. Compressed Gas Ass
20、ociation, Inc. American National Standard Safety Requirements for the Storage and Handling of Anhydrous Ammonia. CGA G-2.1, ANSI K61.1. Compressed Gas Association, Inc. Anhydrous Ammonia. CGA G-2. Compressed Gas Association Inc. Safe Handling of Compressed Gas in Con- tainers. CGA P-1. ISO 7106 Liqu
21、efied anhydrous ammonia for industrial useDetermination of oil contentGravimetric and infrared spectrometric methods. NSF /ANSI 60, Drinking Water Treatment ChemicalsHealth Effects. SECTION 3: DEFINITIONS The following definitions shall apply in this standard: 1. Day: A day is defined as a 24-hr per
22、iod. 2. Manufacturer: The party that manufactures, fabricates, or produces materials or products. 3. Potable water: Water that is safe and satisfactory for drinking and cooking. 4. Purchaser: The person, company, or organization that purchases any materials or work to be performed. 5. Reclaimed wate
23、r: Wastewater that becomes suitable for beneficial use as a result of treatment. * AOAC International, 481 North Frederick Avenue, Suite 500, Gaithersburg, MD 20877. Compressed Gas Association Inc., 1235 Jefferson Davis Highway, Room 501, Arlington, VA 22202. International Organization for Standardization (ISO) ISO Central Secretariat, 1, rue de Varembe, Case postale 56, CH-1211 Geneva 20, Switzerland. NSF International, 789 N. Dixboro Road, Ann Arbor, MI 48105. American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036.
