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Seeking to Realize Inherent Potential of Energy Procurement Activities Introduction • Profile • Basic Procurement Policy • What We Ask of Our Suppliers • Major Procurement Items Procedures • Selling Products to Chugoku Electric • Standard Procurement Procedures New Suppliers Sought Import Action Program • Summary • List of Overseas Products Available for Purchase • Main Items Purchased from Overseas Notice • Main Procurement Plan of Materials and Equipment in Fiscal 2009 • Publication of Procurement Information Copyright(c) The Chugoku Electric Power Co.,Inc.

Dust masks(full face masks) 1. Use Prevent personnel who are engaged in radiation-related work in controlled areas of the Shimane Nuclear Power Station from breathing in radioactive dust. 2. Major specifications Material Face piece : Natural rubber Valves : Natural rubber Packing : Natural rubber Filter : Wool Speaking diaphragm : Aluminum alloy Performance Leak rate(%) : 0.1 or less; JIS T 8160 (Dust Masks for Particulate Matter) Inhaling resistance(normal flow Pa) : 49 or less; JIS T 8160 (Dust Masks for Particulate Matter) Exhaling resistance(normal flow Pa) : 59 or less; JIS T 8160 (Dust Masks for Particulate Matter) Class by leak rate : AA or above; JIS T 8159 (Leak Rate Test Method for Respiratory Protective Masks) Application form