Slide 1

Water Targets in Hawaii Prepared 80 carboys of ultra clean water Placed carboys along an altitude transect in Hawaii Retrieved 1 set of carboys for Be recovery testing (in progress) Approx. 1.5 yr of exposure remaining Slide 2 Prepared 1.5 Metric Tons of 18.2 M Water in Acid-Leached HDPE Carboys Provided by NSF/SRC Center for Environmentally Benign Semiconductor Manufacturing (fabrication water) at U of A Includes UV treatment for TOC reduction and disinfection < 1 ppb TOC All trace metals including Be are below 2.5 ppt detection limit of ICPMS Water Targets - Preparation Clean room: NSF semiconductor fabrication center for ultra pure water, University of Arizona Slide 3 Water in Carboys Slide 4 Water Targets in Hawaii [Insert map here] (5) Keck Headquarters (Waimea) 850 m (6) UH-Hilo 76 m (2) Mauna Loa Observatory 3440 m (1 ) Mauna Kea Observatories 4190 m (3) Mauna Kea Visitor Center 2840 m (4) Saddle 1740 m 40 km Placed on rooftops and in open areas on the Island of Hawaii Target Retrieval 1 year (Recovery Test) 3 years (All Targets) Slide 5 Water Targets in Hawaii Target locations Slide 6 Mauna Kea Mauna Kea Observatories 4187 m; 8 carboys Slide 7 Mauna Loa Mauna Loa Observatory 3439 m; 8 carboys Slide 8 Mauna Kea Visitors Center 2842 m; 8 carboys Slide 9 The Saddle 1742 m; 16 carboys Slide 10 Keck - Waimea 850 m; 16 carboys Slide 11 University of Hawaii, Hilo 76 m; 24 carboys