AWWA B451 2023

$76.92

AWWA B451-23 Standard for Poly (Diallyldimethylammonium Chloride)

Published By	Publication Date	Number of Pages
AWWA	2023	36

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Category: AWWA

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Description

The purpose of this standard is to provide the minimum requirements for polyDADMAC products, including physical, chemical, packaging, shipping, and testing requirements, and to provide the means of developing requirements for specific polyDADMAC products.

PDF Catalog

PDF Pages	PDF Title
7	Foreword I. Introduction. I.A. Background. Chemical clarification methods have been used to improve the quality of drinking water supplies since the late 1880s. In 1967, the first completely synthetic organic polyelectrolyte was accepted by the US Public Health Service for use in
8	I.B. History. The AWWA Standards Council authorized the development of this standard in 1979. The standard was developed by the AWWA Standards Committee on Polyelectrolytes and was approved by the AWWA Board of Directors on June 14, 1987. Subsequent editi
9	I.C. Acceptance (Water Supply Service Applications). In May 1985, 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 and i
10	I.D. Acceptance (Wastewater Service Applications). This is the first revision of ANSI/AWWA B451 that addresses wastewater service applications and standards. II. Special Issues. II.A Safety. PolyDADMACs manufactured in solution form are not considered to be toxic as household products nor are they considered primary skin or eye irritants by the Consumer Product Safety Commission (US Federal Hazardous Substances Act). Good houseke II.B Spill Control. PolyDADMAC should be disposed of according to federal, state, local, and provincial regulations. Solutions of polyDADMACs make floors and other surfaces extremely slippery. A dike should be formed around the spill area to contain as mu
11	III. Use of This Standard. III.A. Purchaser Options and Alternatives. This AWWA standard can be used to prepare a purchase specification but is not itself a specification because it cannot address product requirements unique to the purchaser’s specific application and does not esta
12	III.B. Product Performance. Performance evaluation via a laboratory jar test or other performance test is essential for confirming polyDADMAC activity. Such a test is the only means of evaluating possible changes in the water composition, in the temperatu III.C. Modification to Standard. Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser.
13	V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711; FAX at 303.795.7603; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email standards
15	AWWA Standard SECTION 1: GENERAL Sec. 1.1 Scope Sec. 1.2 Purpose Sec. 1.3 Application
16	SECTION 2: REFERENCES SECTION 3: DEFINITIONS
18	Sec. 4.2 Product Certifications/Affidavit of Compliance
19	Sec. 4.4 Qualifications Sec. 4.5 Chemical and Physical Requirements
20	Sec. 4.6 Impurities (Potable Water)
21	Sec. 4.8 Impurities (Wastewater)
22	Sec. 4.9 Additives Requirements (Wastewater) Sec. 4.10 Product Technical Data Sheet
25	SECTION 5: VERIFICATION Sec. 5.1 General Sec. 5.2 Sampling
26	Sec. 5.4 Test Procedures
29	Sec. 5.5 Inorganic Impurities
30	Sec. 5.8 Notice of Nonconformance†
31	SECTION 6: DELIVERY Sec. 6.1 Marking