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AWWA B103-25 Manganese Oxide Filter Media, 2025
- Foreword
- AWWA Standard
- SECTION 1: GENERAL
- SECTION 4: REQUIREMENTS
- Foreword [Go to Page]
- I. Introduction [Go to Page]
- I.A. Background. Manganese oxide filter media refer to granular media that have a manganese oxide surface. Such media include manufactured products consisting of various substrates that are coated with manganese oxide or media composed entirely of mangane [Go to Page]
- I.B. History. The need for an AWWA standard for manganese oxide filter media was recognized by the AWWA Ion Exchange Committee in 2016. In 2017, the AWWA Standards Council authorized the Ion Exchange Committee to develop a new standard. This first edition [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. [Go to Page]
- II.A. Sourcing. Purchasers and manufacturers have the responsibility to investigate any offshore source of manganese oxide ore to ascertain whether the source is compliant with all applicable laws. [Go to Page]
- II.B. Storage and Handling Precautions. Manganese oxide filter media have a number of storage and handling hazards that may vary for different media types. The safety data sheet (SDS) for the specific type of media should be reviewed prior to purchasing,
- II.C. Media Selection. Selection of an appropriate manganese oxide filter media should be based on confirmation of acceptable performance of a specific media for the source water requiring treatment. Confirmation of manganese oxide filter media performanc [Go to Page]
- II.D. Filter Media. The term “filter media” commonly refers to the portion(s) of the filter bed that remove particulate matter from the water during the filtration process. This standard covers manganese oxide filter media, which are used to provide catal
- II.E. Removal of Fines. Manganese oxide filter media contain a variety of grain sizes, including very fine particles known as “fines” that may be generated during shipment, installation, and filter use. Fines may accumulate at the surface of the filter be
- II.F. Testing and Monitoring Underdrain Condition. Underdrain testing is recommended to establish baseline data for ongoing monitoring and to confirm that the underdrain system is clean prior to placing media in a new or reused filter cell. The following
- II.G. Evaluation of Existing Media Condition. Filter performance improvements such as longer run times, greater capacity, and improved removal efficiencies may be achieved by replenishing or “topping up” lost media.
- 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 to the provisions, definitions, or terminology in this standard must be provided by the purchaser.
- IV. Major Revisions. This is the first edition of this standard.
- 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 email standards@awwa.org.
- 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 Materials
- Sec. 4.2 Certification
- Sec. 4.3 Physical Characteristics
- Sec. 4.4 Operational Limits
- Sec. 4.5 Required Filter Design and Commissioning Information [Go to Page]
- Table 1 Example: Manufacturer postscraping requirements for manganese oxide media type “XYZ”
- Sec. 4.6 Placing Manganese Oxide Filter Media
- Sec. 4.7 Preparation of Filter for Service
- Sec. 4.8 Replenishing Filter Media in Existing Filter Bed
- SECTION 5: VERIFICATION
- Sec. 5.1 Approval Samples
- Sec. 5.2 Sampling and Lot Size
- Sec. 5.3 Testing
- SECTION 6: DELIVERY
- Sec. 6.1 Marking on Bags
- Sec. 6.2 Shipping
- Sec. 6.3 Affidavit of Compliance [Go to Page]
