The minimum percent sodium chloride (NaCl) shall be as follows for the material ordered, when tested in accordance with MoDOT Test Method T32 included in Annex A of this specification. 95% Sodium Chloride, Minimum % NaCl 95. The gradation shall conform to the following requirements: Sieve Size 1/2 inch, Percent Passing (by weight) 100; 3/8 inch, 95 - 100; No. 4, 15 - 95; No. 8, 5 - 65; No. 30, 0 - 15; Condition. The sodium chloride shall arrive at the delivery point in a free-flowing and usable condition. 2.4 Moisture. The moisture content at the delivery point shall not exceed 2.0 percent based on dry weight. Visual appearance of excess water will result in immediate rejection. 2.5 Foreign Material. 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.