E. The specifications included in this contract will serve as a checklist for the maintenance services performed. Contractor will be required to bring the checklist each time the quarterly maintenance is performed. F. All items on the checklist will be checked off as performed. Upon completion, Contractor will provide the Area office facility contact or designee with the list. The list will be signed and dated by both the Contractor and the Area office facility contact or designee, and filed in the appropriate logbook. Additionally, an extra copy shall be left with the Area office. This list shall accompany the invoice prepared by Contractor for the quarterly maintenance. G. Cost for quarterly maintenance shall include filters, fan belts, water treatment chemicals, compressor oil, cleaning rags, oil, grease, and refrigerant at no additional charge to the State. Costs for recapture of refrigerant as required by law must also be included. H. All invoices must be sent with the appropriate accompanying documents to the Area Facilities Coordinator for signature. Invoices must be legible with the date service provided and complete or they will be disputed. I. Any debris resulting from services provided shall be removed from the premises by the Contractor. J. The CHP reserves the right to have an independent consultant inspect the equipment at any time to ensure that the services being provided are in compliance with the contract specifications.