AWWA B550 2023
$76.92
AWWA B550-23 Calcium Chloride
Published By | Publication Date | Number of Pages |
AWWA | 2023 |
The purpose of this standard is to provide the minimum requirements for calcium chloride, including physical, chemical, sampling, packaging, shipping, and testing requirements.
PDF Catalog
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7 | Foreword I. Introduction. I.A. Background. Calcium chloride, CaCl2, is produced in various states of hydration, all of which are highly deliquescent (that is, they dissolve in the water absorbed). It is obtained commercially from natural brines as a byproduct of soda ash manufactu I.B. History. Authorization for the development of this standard was given by the AWWA Standards Council in 1982. The first edition of the standard was developed by the AWWA Standards Committee on Quicklime, Hydrated Lime, and Calcium Chloride and was app 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 |
9 | II. Special Issues. II.A. Storage and Handling Precautions. Calcium chloride is hygroscopic (that is, it absorbs moisture from the atmosphere) and deliquescent. It should be stored in a dry place. Calcium chloride dust will rapidly absorb moisture until it is in solution. 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. III.A. Purchaser Options and Alternatives. The following information should be provided by the purchaser. |
10 | 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. Major changes made to the standard in this revision include the following: |
11 | 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 [email protected]. |
13 | AWWA Standard SECTION 1: GENERAL Sec. 1.1 Scope Sec. 1.2 Purpose Sec. 1.3 Application |
14 | SECTION 2: REFERENCES SECTION 3: DEFINITIONS |
15 | SECTION 4: REQUIREMENTS Sec. 4.1 Physical Requirements |
16 | Sec. 4.3 Impurities‡ SECTION 5: VERIFICATION Sec. 5.1 Sampling |
17 | Sec. 5.2 Test Procedures |
20 | Sec. 5.3 Notice of Nonconformance |
21 | Sec. 6.2 Packaging and Shipping |
22 | Sec. 6.3 Affidavit of Compliance |