Specifications include, but are not limited to: enable Central Management Services and governmental units to purchase bulk rock salt on an as needed basis during the contract period.; 1.2.1.1 Rock Salt shall comply with the requirements of The American Association of State Highway and Transportation Officials (AASHTO) SPECIFICATION M143, SODIUM CHLORIDE TYPE 1, GRADE 1. 1.2.1.2 Rock Salt shall be free flowing fresh stock, reclaimed or re-crushed rock salt will not be accepted and shall be rejected by delivery site. 1.2.2. Quantity Commitments: All participants who complete the annual survey will have the option to choose between a minimum of 80% or 100% purchase commitment and will be allowed a maximum of 120% purchase commitment as defined below. All minimum purchase commitments will be defined in the line item description within BidBuy.