| | |
| 192-1 | 69 | PERCHLORATE OCCURRENCE IN SHALLOW GROUND WATER IN THE NORTH CENTRAL UNITED STATES: KALKHOFF, Stephen J., Water Resourses Discipline, U.S. Geological Survey, PO Box 1230, Iowa City, IA 52244, sjkalkho@usgs.gov, STETSON, Sarah J., Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, WANTY, Richard B., U.S. Geological Survey, PO Box 25046, Denver Federal Center, Mailstop 973, Denver, CO 80225, and LINDER, Gregory L., Biological Resources Discipline, U.S. Geological Survey, Heron Works Field Office, 5400 Tacoma Street NE, Brooks, OR 97305 |
| 192-2 | 70 | PERCHLORATE IN PLEISTOCENE AND HOLOCENE GROUNDWATER IN NORTH-CENTRAL NEW MEXICO: PLUMMER, L. Niel, BÖHLKE, John Karl, and DOUGHTEN, Michael W., U.S. Geological Survey, 432 National Center, Reston, VA 20192, nplummer@usgs.gov |
| 192-3 | 71 | PERCHLORATE IN THE SOUTHERN HIGH PLAINS OF TEXAS AND NEW MEXICO: RAJAGOPALAN, Srinath1, FAHLQUIST, Lynne S.2, RAINWATER, Ken1, ANDERSON, Todd3, and JACKSON, Andrew W.1, (1) Department of Civil Engineering, Texas Tech Univ, Lubbock, TX 79409-1022, srinath.ragagopalan@ttu.edu, (2) US Geological Survey, 8027 Exchange Dr, Austin, TX 78754, (3) The Institute of Environmental and Human Health, Texas Tech Univ, Lubbock, TX 79409 |
| 192-4 | 72 | ISOTOPIC FRACTIONATION OF ATMOSPHERICALLY DERIVED OXYANIONS IN SOILS ALONG A RAINFALL GRADIENT IN THE ATACAMA DESERT, CHILE: EWING, Stephanie A.1, MICHALSKI, Greg2, AMUNDSON, Ronald3, THIEMENS, Mark2, KENDALL, Carol4, and MCKAY, Christopher P.5, (1) Division of Ecosystem Sciences, University of California, Berkeley, 137 Mulford Hall, Berkeley, CA 94720, saewing@nature.berkeley.edu, (2) Chemistry and Biochemistry, Univ of California at San Diego, La Jolla, CA 92093, (3) Division of Ecosytem Sciences, University of California, 137 Mulford Hall, Berkeley, CA 94720, (4) U.S. Geological Survey, MS 434, 345 Middlefield Rd, Menlo Park, CA 95025, (5) NASA Ames Research Center, Moffett Field, CA 94035 |
| 192-5 | 73 | ESTIMATION OF THE PHENOMENON OF RECHARGE AND EVAPORATION OF GROUND- WATERS UNDER SEMI-ARID CONDITIONS -PLAIN OF TAFILALT - SOUTH OF MOROCCO: NAIMA, Safsaf1, SAIDATY, Bouhlassa2, MOHAMED, Ibn Majah1, and HAMID, Marah1, (1) isotopic analysis unit, National Center of Energy Sciences and Nuclear Techniques - Rabat - Morocco, Rabat, 10001, Morocco, safsaf@cnesten.org.ma, (2) Faculty of Siences, Radiochemistry unit, Rabat, 10001, Morocco |
| 192-6 | 74 | PERCHLORATE ACCUMULATION BENEATH NATIVE VEGETATION IN ARID AND SEMI-ARID ENVIRONMENTS: STONESTROM, David A.1, WALVOORD, Michelle A.2, HEILWEIL, Victor M.3, JACKSON, W. Andrew4, and RAJAGOPALAN, Srinath4, (1) USGS, 345 Middlefield Rd., MS-421, Menlo Park, CA 94025, dastones@usgs.gov, (2) U.S. Geological Survery, Lakewood, CO 80225, (3) Water Resources Division, Utah District, U.S. Geological Survey, 2329 Orton Circle, Salt Lake City, UT 84119, (4) Water Resources Center, Texas Tech University, Lubbock, TX 79409-1023 |
|