Specifications include, but are not limited to: Sodium Chloride in the form of Rock Salt shall conform to ASTM Designation D632-72 as per the most recent version, for type 1 except that the Rock Salt shall be treated with an anti caking agent YPS (Yellow Prussiate of Soda) at a rate of 2# per ton, shall be in bulk form and contain at the time of delivery, not more than .5 percent moisture when dried at 105 Degree C (221 F) to constant weight. Representative sampling will be made at the rail siding or the suppliers storage location prior to delivery. Salt shall be tested by taking a total 20 lbs from three (3) different spots. 2. The Sodium Chloride, when dried to constant weight as specified above, shall conform to the following requirements as to chemical composition. Sodium Chloride (NaC1), Minimum 97.0% insoluble in boiling distilled water Max 1.0%,
