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. Name Minimum % NaCI 95% Sodium Chloride 95 ; Condition The sodium chloride shall arrive at the delivery point in a free flowing and usable condition. Moisture The moisture content at the delivery point shall not exceed 2.0 percent based on dry weight ; REAGENTS AND APPARATUS 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.