Specifications include, but are not limited to: A. Bulk road de-icing salt (sodium chloride) shall meet all the requirements of the ASTM Designation D632 (latest revision), Type 1, Grade 1 and obtained from natural deposits. B. The Vendor shall provide accurate, approved scales for weighing shipments for bulk road de-icing salt. The platform of the truck scales shall be of sufficient length and width to conveniently accommodate any trucks or complete hauling units that may be used to transport the bulk road de-icing salt in such a manner that the complete unit load can be weighed at one draft. No split weighing will be allowed. C. The Vendor shall provide delivery transportation for the bulk road de-icing salt in trucks which are clear of any other materials.