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AWWA B408-25 Liquid Polyaluminum Chloride, 2025
- Foreword [Go to Page]
- I. Introduction. [Go to Page]
- I.A. Background. This standard covers a variety of products based on the chemistry of aluminum salt solutions, where polyaluminum oligomers become the predominant and defining form of the aluminum cation. The characteristics of the corresponding anion in [Go to Page]
- I.B. History. In 1988, the AWWA Standards Committee on Iron Salts, Aluminum Salts, and Related Coagulant Aids organized a subcommittee to prepare a standard for PACl products. The first draft of the standard was reviewed in 1989, and the final draft was a
- II. Special Issues. [Go to Page]
- II.A. Storage and Handling Precautions. Liquid PACl is a clear to slightly hazy solution that is acidic and corrosive to common metals. Suitable materials for construction of storage and handling facilities include synthetic rubber-lined steel, corrosion- [Go to Page]
- II.B. General Guide to Solid Materials in User Product Handling Systems. Some liquid chemical products, including liquid PACl, can amass minor or sometimes critical amounts of solid materials throughout user product-handling systems while adhering to thos
- 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.
- V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or e-mail at standards@awwa.org.
- AWWA Standard
- 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—General
- Sec. 5.3 PACl Content as Percent Al [Go to Page]
