Specifications include, but are not limited to:General Provisions: These specifications/requirements are for Rock Salt (Sodium Chloride), to be used on the highways during the winter months. Due to the uncertainty of job requirements, it is not possible for the Nevada Department of Transportation to determine exact quantities of Rock Salt required during the contract period. Therefore, the Nevada Department of Transportation’s reserves the right to purchase more or less than is estimated in the Rock/Sea Salt Requirements 2016-2017. Description: This specification is intended to specify Rock Salt (Sodium Chloride) that will meet service requirements for highway ice/snow removal. Salt must be free from dirt. Specifications: Salt: Rock (Sodium Chloride); For all locations - maximum size 1/2"; minimum 95% Sodium Chloride (NaCl); clean and free from foreign material; to be used on highways during the winter months either straight or mixed with sand.