AWWA B501:2013 pdf download.Sodium Hydroxide (Caustic Soda)
If the sodium hydroxide delivered to the purchaser does not meet the chemi- cal, physical, safety, or security requirements of this standard, a notice of noncon- formance shall be provided by the purchaser to the supplier within 10 days after receipt of the shipment at the point of destination. Te results of the purchaser’s test shall prevail unless the supplier notifes the purchaser within fve days after receipt of the notice of nonconformance that a retest is desired. On receipt of the request for a retest, the purchaser shall forward to the supplier one of the sealed samples taken in accordance with Sec. 5.1. In the event the test results obtained by the supplier do not agree with the test results obtained by the purchaser, the other sealed sample shall be forwarded, unopened, for analysis to a referee laboratory agreed on by both parties. Te results of the referee analysis shall be accepted as fnal. If a referee analysis is needed, the method of analysis shall be in accordance with ASTM E291.
6.1.1 Required. Each shipment of material shall be identifed as to prod- uct, grade, net weight, name and address of the manufacturer and brand name. Packages or containers shall show a lot number and identifcation of manufac- turer. All markings on packaged, containerized, or bulk shipments shall conform to applicable laws and regulations, including requirements established by the US Occupational Safety and Health Administration (OSHA).
6.1.2 Optional. Packages may also bear the statement, “Guaranteed by (name of manufacturer) to meet American Water Works Association Standard B501 for Sodium Hydroxide (Caustic Soda),” provided that the requirements of this standard are met.
6.2.2 Liquid sodium hydroxide. Liquid sodium hydroxide shall be shipped in carboys; 50 gal to 55 gal (189 L to 208 L) steel drums; 100 gal to 400 gal (378 L to 1,514 L) tote bins; or properly cleaned tank cars, tank trucks, or barges. If 25 or 20 percent sodium hydroxide solution is required, the dilutions shall be made at the manufacturer’s or supplier’s site, unless otherwise specifed, such that a homogeneous, well-mixed product is received at the purchaser’s location. Purchase of solution diluted at the manufacturer’s or supplier’s site may increase shipping costs.AWWA B501 pdf download.