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eLibrary > AWWA B302-23 Ammonium Sulfate >

AWWA B302-23 Ammonium Sulfate, 2023

Foreword [Go to Page]
I. Introduction. [Go to Page]
I.A. Background. Ammonium sulfate, (NH4)2SO4, is used by some water utilities as a source of ammonia in the formation of chloramines and as an activating agent in the formation of activated silica. It is readily soluble in water and consists of rhombic cr [Go to Page]
I.B. History. The first edition of this standard was prepared by the AWWA Water Purification Division. It was approved as tentative on July 15, 1949, and made standard on May 15, 1953, with the designation of AWWA B400-53. The second edition was prepared [Go to Page]
I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct
II. Special Issues. This standard has no applicable information for this section.
III. Use of This Standard. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being considered. [Go to Page]
III.A. Purchaser Options and Alternatives. The following information should be provided by the purchaser: [Go to Page]
III.B. Modification to Standard. Any modification of the provisions, definitions, or terminology in this standard must be provided by the purchaser.
IV. Major Revisions. Major changes made to the standard in this revision include the following:
V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711; FAX at 303.795.7603; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at standa
AWWA Standard
SECTION 1: GENERAL
Sec. 1.1 Scope
Sec. 1.2 Purpose
Sec. 1.3 Application
SECTION 2: REFERENCES
SECTION 3: DEFINITIONS
SECTION 4: REQUIREMENTS
Sec. 4.1 Physical Requirements
Sec. 4.2 Chemical Requirements
Sec. 4.3 Impurities*
SECTION 5: VERIFICATION
Sec. 5.1 Sampling
Sec. 5.2 Test Procedures
Sec. 5.3 Notice of Nonconformance
SECTION 6: DELIVERY
Sec. 6.1 Marking*
Sec. 6.2 Packaging and Shipping
Sec. 6.3 Affidavit of Compliance or Certified Analysis [Go to Page]

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