The cost of reimbursable work performed in connection with crossservicing authorizations will be accumulated and billed in accordance with the standard accounting practices of the perform ing Department or Agency. Te Decision on interpretation of these provisions or on allocation of specific costs shall be the joint responsibility of the Task Force Commander for the DOD and the Manager, SFOO for the AEC. 8. This agreement will be extended by supplemental agreement to apply to areas subsequently added to the Pacific Proving Ground. COSTS AND RESPONSIBILITIES TO BE ASSUMED BY THE AEC Cost of construction of all base facilities at Pacific Proving Grounds required by the AEC for military and AEC support of test operations. Maintenance of all base facilities (buildings, structures, in- stalled equipment, roads and airstrips, piers, POL and utility systems, and communications systems) which have been provided by the AEC for support of test operations, except that the Depart~- ment of Defense will be responsible for the maintenance of communication facilities on Eniwetok Island and a joint communications center on Parry Island. Operation of all fixed plant and utility systems (power, water, sewage, POL and communications) provided by the AEC for support of test operations, except that the Department of Defense will be responsible for operating the communications and POL systems on Eniwetok Island. roy i. K-II-3(a) Rev 9-25-53 Ch.Z

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