Specifications include, but are not limited to: This specification covers sodium chloride, obtained from natural deposits (rock Salt) or produced by man Evaporated, solar, other for use as a deicer for maintenance purposes. ; The minimum percent sodium chloride (NaCI) shall be as follows for the material ordered, when tested in accordance with MoDOT Test Method T32 included in Annex A of this specification. ; Sieve Size Percent Passing (by Weight) 1/2 inch 100 3/8 inch 95-100 No. 4 15-95 No. 8 6-65 No. 30 0-15 ; Sodium chloride shall be relatively free from any foreign material at the delivery point. Residue from truck beds such as coke, grain, or other materials not germane to sodium chloride will be cause for rejection. Any oversize foreign material will result in immediate rejection ; 1. Millivolt meter with a combination chloride electrode 2. Nitric Acid (HNO3), chloride free, 1.42 specific gravity 3. Sodium Chloride (NaCI), Reagent Grade, dried at 105-110C for 1 hour prior to use 4. Silver Nitrate (AgNO3), Reagent Grade 5. A source of chloride-free distilled or deionized water; Approximately 6000 tons.
