The U.S. Geological Survey awarded a purchase order to Tescan USA Inc. for maintenance service of a TESCAN MIRA4 Scanning Electron Microscope with a ceiling value of $29,340.00, effective September 16, 2026. Place of performance is Warrendale, Pennsylvania. The 12-month contract period runs December 1, 2026, through November 30, 2027, and covers annual preventive maintenance and calibration performed by factory-trained TESCAN-certified engineers, unlimited emergency and as-needed maintenance visits, priority telephone support with 24-hour response guarantee, certified software updates at no charge, one FEG emitter replacement kit per two-year period, and all on-site labor, genuine spare parts, and travel expenses. The equipment is located at the Alaska Volcano Observatory in Anchorage, Alaska. The order originated from a sources sought announcement posted June 4, 2026.