B703-89: AWWA Standard for Hydrofluosilicic Acid (PDF)

The history of the standard, manufacture and use of hydrofluosilicic acid, impurities, acceptance, storage, handling, and safety precautions, information regarding use of this standard, and major revisions are covered in the foreword. Section 1 discusses scope, definitions, affidavit of compliance or certified analyses, basis for rejection and material origin outside of North America. Section 2 discusses material specifications including physical requirements, chemical requirements, and impurities. Section 3 covers sampling, packaging and shipping, and marking. Section 4 on testing methods covers sampling and laboratory examination, test procedures, hydrofluosilicic acid content, and test procedure for heavy metals. The appendix covers containment vessels. Major revisions include: addition of a section on acceptance in the Foreword, additional information in impurities is provided, additional information on safety is provided in the Foreword, Test Procedure for Heavy Metals has been revised, and Appendix A on containment vessels is now included.