This standard describes liquid chlorine for use in potable water, wastewater, and reclaimed water treatment. It can be referenced in documents for purchasing and receiving liquid chlorine and can be used as a guide for testing the physical and chemical properties of liquid chlorine samples. The stipulations of this standard apply when this document has been referenced and then only to liquid chlorine used in the treatment of potable water, wastewater, or reclaimed water.<\/p>\n
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| 7<\/td>\n | Foreword I.\tIntroduction. I.A.\tBackground.\u2003Chlorine is an oxidizing agent commonly used for disinfection of water supplies. The first full-scale use of liquid chlorine for water disinfection was in 1912 at Niagara Falls, N.Y., where it helped to eliminate recurring typhoid outbrea I.B.\tHistory.\u2003ANSI\/AWWA B301 was first approved as tentative on Oct. 17, 1957. It was made a standard by the AWWA Board of Directors on Jan. 26, 1959. Subsequent editions were approved June 7, 1981, Jan. 25, 1987, Jan. 26, 1992, June 20, 1999, Jan. 18, 20 I.C.\tAcceptance.\u2003In 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 <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | II.\tSpecial Issues. II.A.\tSafety and Security Precautions.\u2003Chlorine is a greenish-yellow gas that normally is packaged as a liquid under pressure in containers fabricated in accordance with specifications of the US\u00a0Department of Transportation (DOT). Chlorine should be store <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | III.\tUse of This Standard.\u2003It 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.\tPurchaser Options and Alternatives.\u2003The following information should be provided by the purchaser: III.B.\tModification to Standard.\u2003Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser. IV.\tMajor Revisions.\u2003Major revisions made to the standard in this edition include the following: <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | V.\tComments.\u2003If 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. <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | AWWA Standard AWWA Standard <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" AWWA B301-24 Liquid Chlorine<\/b><\/p>\n |