Specifications include, but are not limited to: Through this Request for Proposal (RFP) the Office of Purchasing & Contracting (hereinafter the “State”) is seeking to establish contracts with one or more companies that can provide Highway Rock Salt. Road salt, bulk, for de-icing pavement and other winter maintenance activities. Sodium chloride shall comply with all State of Vermont specifications. The Contractor shall submit a Quality Control plan at the time of bid submission. The Vermont Agency of Transportation (VTrans) requests that Contractors provide test data annually and upon request; certifying material meets all contract specifications. 2.1. CHEMICAL COMPOSITION: Any one or combination of the 3 following chlorides: (NaCl, CaCl2, and MgCl2 as NaCl based on dry weight and shall conform to a chemical composition of a minimum of 95%. 2.2. UNIT OF MEASUREMENT: TON. The term ton shall mean the “short ton”, an avoirdupois unit equal to 2000 pounds.