Supply and Delivery of Sodium Hypochlorite

2026-11-03

Zone 7 Water Agency desires to hire a qualified and reliable contractor for Supply and Delivery of Sodium Hypochlorite .. 3 . 1 . PRODUCT TECHNICAL SPECIFICATIONS 12 . 5 % SODIUM HYPOCHLORITE 1 . Chemical and Physical Properties : All sodium hypochlorite supplied under this bid must conform to the current version of the American Water Works Association ( AWWA ) B300 - 18 Standard for Hypochlorite , the American National Standards Institute / National Sanitation Foundation Standard 60 - 2005 ( ANSI / NSF 60 ) Drinking Water Treatment Chemicals , except as modified or supplemented herein . Current AWWA B300 - 10 and ANSI / NSF 60 certification for the manufacturing facility of facilities is required with the submission of the bid . It is the responsibility of the vendor to inform the District ( within 24 hours , from the time of verbal or written notification ) that NSF certification has been revoked or lapsed . Loss of NSF certification shall constitute sufficient grounds for immediate termination of the contract . Bill of Lading must clearly identify product delivered to be AWWA B300 - 10 and ANSI / NSF 60 certified by stamp or type written statement – no handwritten notation will be accepted . Failure to provide clear identification that the product meets the AWWA and ANSI / NSF specifications will result in rejection of the load at no cost to the Agency . 2 . Disclaimer : The sodium hypochlorite must contain nothing that will adversely affect the public water supply , or be injurious to typical sodium hypochlorite feeding equipment . 3 . Documentation : The successful Supplier must provide documentation as specified and required under Title 22 , California Code of Regulations , Chapter 16 , Article 7 , § 64590 , prior to the start of the contract for the sodium hypochlorite . 4 . General Specifications : pH pH12 - 13 Available Chlorine 12 . 5 wt % minimum Available Chlorine 125 grams / Liter minimum Total Free Alkali ( as NaOH ) < 1 . 5 % by weight Insoluble Matter < 0 . 15 % by weight Age of Product at Delivery 3 days ( 72 hours ) maximum Sodium Hypochlorite should be stored in a dark area where the temperature does not exceed 80⁰ F ( i . e ., 30⁰ C ) prior to delivery . Preferably sodium hypochlorite should be stored at temperatures below 68⁰ F ( i . e ., 20⁰ C ) prior to delivery . 5 . Contaminant Concentration Limits : Iron < 1 . 0 mg / L Nickel ( Ni + 2 ) < 0 . 1 mg / L Copper ] ( Cu + 2 ) < 0 . 1 mg / L Cobalt < 0 . 1 mg / L Chlorate < 2 , 380 mg / L 6 . Filtration Limitations : 100 mL of the sodium hypochlorite product supplied under this contract must pass through a 0 . 8 - micron filter ( Millipore , Type AA ) under vacuum ( 25 inches Hg ) within 30 minutes . Plant staff may conduct this test prior to accepting a delivery . 7 . Certificate of Analysis : a . A certificate of analysis prepared by a reputable outside laboratory or bidder ’ s in - house laboratory if ISO certified , shall be submitted for each liquid sodium hypochlorite delivery . The certificate of analysis shall be based on a representative sample of the specific batch or lot of chemical currently being used to make deliveries . This report shall contain the following : • Date of manufacture • Date of delivery • Shipper ID • pH • Specific gravity • Density @ 60 ° F • Insoluble Matter • Available Chlorine : Percent by weight and pounds per gallon • Total free alkali ( expressed as NaOH ): Percent by weight and pounds per gallon • Excess NaOH : Percent by weight and pounds per gallon • Excess Na₂CO₃ : Percent by weight and pounds per gallon No deliveries will be accepted by the District unless accompanied by said certificate of analysis for the specific batch or lot of chemical delivered and the quality specifications listed in the bid contract documents are met . b . Charges for certificate of analysis shall be included in the bid price . c . Failure to supply the required certificate of analysis shall be sufficient cause to reject the load . A certificate of analysis that does not meet current version of the AWWA Standard B300 - 10 shall be cause to reject the load . 8 . Liquid sodium hypochlorite supplied under this contract shall not cause excessive scaling of feed lines when combined with carriage water . Excessive scaling is defined as plugging of , or precipitation in , the chlorine solution lines that causes disruption of flow . The liquid sodium hypochlorite shall be free from contaminating substances which could interfere with normal operation of District facilities by causing clogging or blockage of feed lines , valves , strainers , or measuring devices .

California

2026-03-27