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6. Salt shall be medium, coarse or extra coarse grade with a minimum bulk <br />density of 60 IMP to avoid use of gravel bed in brine saturator tank. <br />C. PHYSICAL PROPERTIES <br />1. Purex or Equal <br />a) The pour (loose) bulk density shall be 1.1.5-1.25 g/ml (72-78 ibs/f1;). <br />b) Production shall be unscreened, receiving a coarse scalping of 10-147nesh. Tile <br />mean crystal size shall be 290-430 um. <br />c) The mean surface area of the crystals shall be 65-98 cm, sq/g. <br />d) Sodium Chloride content shall be determined per the AWWA B200-03 standard <br />or per ASTM Standard Methods. <br />e) Morton's Purex at, equal shall be certified to ANSI/NSF Standard 60 when the <br />sodium hypochlorite solution produced by the electrolytic generator will be used <br />for disinfection of drinking water. <br />f) Morton's Purex or equal shall contain no anti -caking or free flowing additives <br />or conditioners. <br />D. DELIVERY LOCATIONS: <br />1. Olive GAC Building, 915 S. Olive Street, South Bend, IN <br />