1. BARC Prevailing wind Tower 1 Pristine snow field Balloon The prefab buildings at Barrow 09 Tower 2 25m DOAS View direction Exhaust Line and blower Tower 1 should be 10 feet away from PB1, roughly to the N. Tower 2 should be 25m away from PB2, perpendicular to the main NE wind direction. “yellow tape”

2. BARC room # ???? Additional lab space needed for GC and sampler LGGE Snow Chemistry work space UCD UV/Vis + work space UCSD Freezer UCSD table space MDK-UK-RHUL UV-Vis workspace and battery charging area DOOR Total Power for Lab: About 2,000W of 110V/60Hz About 2,000W of 240V/50Hz

3. DOAS needs wall port / window Max- DOAS NCAR Particle Sizer 2700W 110V60Hz 1500W 240V60Hz NCAR/UToronto VTDMA, NCAR Particle Counters NCAR HTDMA BARC BUILDING Room 135

4. THE TENT LGGE cold lab work space LGGE 14’ diameter octagonal tent / wind shelter No power for experiments needed but if possible, ~80W of power desired for lights Total Power for outside activities: About 600W of 110V/60Hz, 1,800W at startup for Grannas POPs, 500W of power for flux tower bypass pump Grannas POPs NCAR flux samplers (outside on the snow) flux tower