Specifications include, but are not limited to: 3.1 Parts and Supplies: The parts and supplies consumed in the performance of work and the operation of a wastewater Treatment Plant shall not be considered equipment. Equipment is considered tangible assets used in an operation or activity which can withstand repeated use and is primarily used to serve a purpose. 3.1.1 The offeror shall provide pricing as a percentage of discounts for manufactures listed in Attachment 7, Category 1. 3.2 Water Treatment Chemicals: Offeror shall provide pricing for the chemicals in Attachment 7, Category 2. 4. General Specifications and Requirements: 4.1 Established Catalogs: Catalogs and price lists shall be made available in electronic formats upon request from an Eligible Agency and in accordance with § 41-2531: (a) Is regularly maintained by a manufacturer, distributor or contractor. (b) Is either published or otherwise available for inspection by customers. (c) States prices at which sales are currently or were last made to a significant number of any category of buyers or buyers constituting the general buying public for the materials or services involved. 4.2 All catalogs that are made available to Eligible Agencies for use under this Contract shall contain products included under this Contract. The Contractor shall not represent any product that is specifically excluded as a product covered under this Contract. 4.3 Pricing All pricing shall be based on the most current manufacturer's established price lists at the time of award, and be in effect for a 12 month period from date of award or contract extensions.