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See all EPA publications for Charlita Rosal Include records from any EPA source

Records 1 to 25 of 48 records from [ORD-NERL] from author Charlita Rosal

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2019

Davis, M., C. Rosal, W. Henderson, B. Acrey, R. Zepp, AND J. Washington. Tentative identification of new-generation per- and polyfluoroalkyl substances in industrial products. SETAC NA Focus Meeting: Environmental Risk Assessment of PFAS, Durham, NC, August 12 - 15, 2019.

Washington, J., C. Rosal, E. Ulrich, AND T. Jenkins. Use of carbon isotopic ratios in nontargeted analysis to screen for anthropogenic compounds in complex environmental matrices. JOURNAL OF CHROMATOGRAPHY A. Elsevier Science Ltd, New York, NY, 1583:73-79, (2019). https://doi.org/10.1016/j.chroma.2018.11.013

2017

Mash, H., T. Sanan, T. Jones-Lepp, J. Morgan, C. Rosal, Jim Lazorchak, M. Elovitz, Joel Allen, J. Lu, J. Santodomingo, A. Delacruz, M. Waters, AND M. Steinitz Kannan. Overview of U.S. EPA Office of Research and Development’s research on Analysis and monitoring in fresh and coastal/estuarine environments. 2017 SETAC North America Annual Meeting, Minneapolis, MN, November 12 - 16, 2017.

2015

Ulrich, E., C. Rosal, L. McMillan, AND M. Strynar. Using LC-MS/MS in Non-Targeted Analysis of Environmental Samples. EPA Non-Targeted Analysis Workshop, RTP, NC, August 18 - 19, 2015.

Rosal, C., E. Ulrich, L. McMillan, AND M. Strynar. Workflow and Proof of Concept for Non-Targeted Analysis of Environmental Samples by LC-MS/MS. Presented at 36th SETAC North America Annual Meeting, Salt Lake City, UT, November 01 - 05, 2015.

2014

Jones-Lepp, T., W. Sovocool, Don Betowski, P. DeArmond, V. Taguchi, AND C. Rosal. Oklahoma Fish Kill Study: Looking for a Toxic Needle in an Environmental Haystack. Presented at American Society of Mass Spectrometry, Baltimore, MD, June 14 - 19, 2014.

Jones-Lepp, T., Don Betowski, C. Rosal, W. Sovocool, P. DeArmond, AND V. Taguchi. Oklahoma Fish Kill Study: Looking for a Toxic Needle in an Environmental Haystack . Presented at 62nd ASMS Conference on Mass Spectrometry and Allied Topics, Baltimore, MD, June 15 - 19, 2014.

2012

MOMPLAISIR, G., M. H. HIATT, AND C. G. ROSAL. ThP05 Biogeneration of Volatile Selenium Compounds in Biosolids/Biofuels and Quantification by VD/GC/ICPMS . Presented at 2012 Winter Conference on Plasma Spectrochemistry, Tucson, AZ, January 09 - 14, 2012.

2010

MOMPLAISIR, G., C. G. ROSAL, E. M. HEITHMAR, K. E. VARNER, L. A. RIDDICK, D. F. BRADFORD, AND N. G. TALLENT-HALSELL. Development of a Solid Phase Extraction Method for Agricultural Pesticides in Large-Volume Water Samples. Journal of Separation Science. Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany, 81:1380-1386, (2010).

ROSAL, C. G. Nanometal-Oxide Sunscreen Agents by Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry. Presented at 2010 Winter Conference on Plasma Spectrochemistry, Fort Myers, FL, January 03 - 09, 2010.

ROSAL, C. G. Nanometal-Oxide Sunscreen Agents by Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry . Presented at 2010 Winter Conference on Plasma Spectrochemistry, Fort Myers, FL, January 03 - 09, 2010.

BRADFORD, D. F., E. M. HEITHMAR, N. G. TALLENT-HALSELL, G. MOMPLAISIR, C. G. ROSAL, K. E. VARNER, M. S. NASH, AND L. A. RIDDICK. Temporal Patterns and Sources of Atmospherically Deposited Pesticides in Alpine Lakes of the Sierra Nevada, California , USA. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 44(10):4609-4614, (2010).

ROSAL, C. G., L. D. BETOWSKI, AND E. Siska. UV Filters and Toursim: Their Impact on the Environment. Presented at 2010 International Chemical Congress of Pacific Basin Societies, Honolulu, HI, December 15 - 20, 2010.

2009

ROSAL, C. G., L. D. BETOWSKI, J. Romano, J. Neukom, D. Wesolowski, AND L. Zintek. THE DEVELOPMENT AND INTER-LABORATORY VERIFICATION OF LC-MS LIBRARIES FOR ORGANIC CHEMICALS OF ENVIRONMENTAL CONCERN. TALANTA. Elsevier Science Ltd, New York, NY, 79:810-817, (2009).

BRADFORD, D. F., N. G. TALLENT-HALSELL, E. M. HEITHMAR, G. MOMPLAISIR, C. G. ROSAL, M. S. NASH, K. E. VARNER, AND L. A. RIDDICK. Temporal and Spatial Patterns of Airborne Contaminants Relative to Amphibian Population in Sequoia and Kings Canyon National Parks, California. Presented at Sierra Nevada - Southern Cascades Contaminants Workshop, Three Rivers, CA, April 08 - 09, 2009.

2008

ROSAL, C. G. AND L. D. BETOWSKI. Parabens and Sunscreens in the Environment: Determination by HPLC-ESI-MS/MS and GC-MS and Calculation of Phototoxicity. Presented at 56th American Society of Mass Spectrometry, Denver, CO, June 01 - 05, 2008.

ROSAL, C. G. AND L. D. BETOWSKI. Sunscreen Agents in the Environment: Determination by HPLC-ESI-MS/MS and GC-MS and Calculation of Phototoxicity. Presented at Western Regional Conference of the American Chemical Society, Las Vegas, NV, September 24, 2008.

BRADFORD, D. F., E. M. HEITHMAR, N. G. TALLENT-HALSELL, G. MOMPLAISIR, C. G. ROSAL, K. E. VARNER, L. A. RIDDICK, AND M. S. NASH. Temporal Patterns of Airborne Pesticides in Alpine Lakes of the Sierra Nevada, California. Presented at Society for Environmental Toxicology and Chemistry, Tampa, FL, November 16 - 20, 2008.

2007

BRADFORD, D. F., E. M. HEITHMAR, L. MCCONNELL, G. MOMPLAISIR, L. A. RIDDICK, C. G. ROSAL, S. SIMONICH, D. SPARLING, K. STANLEY, N. G. TALLENT-HALSELL, AND K. E. VARNER. AIRBORNE PESTICIDES AND POPULATION DECLINES OF A CALIFORNIA ALPINE FROG. Presented at Environmental Biology Seminar, Las Vegas, NV, February 14, 2007.

HEITHMAR, E. M., G. MOMPLAISIR, AND C. G. ROSAL. COMPLEMENTARY APPROACHES TO THE DETERMINATION OF ARSENIC SPECIES RELEVANT TO CONCENTRATED ANIMAL FEEDING OPERATIONS. Presented at National Environmental Monitoring Conference, Cambridge, MA, August 20, 2007.

ROSAL, C. G. AND G. MOMPLAISIR. DETERMINATION ROXARSONE AND ITS TRANSFORMATION PRODUCTS USING CAPILLARY ELECTROPHORESIS COUPLED TO ICP-MS. IN: Determination Roxarsone and Its Transformation Products Using Capillary Electrophoresis Coupled to ICP-MS, Agilent Technologies, Santa Clara, CA, 1(1):53-54, (2007).

ROSAL, C. G. EMERGING CONTAMINANTS: AN OVERVIEW OF ON-GOING RESEARCH. Presented at 17th Annual Quality Assurance Conference, Dallas, TX, October 15 - 19, 2007.

BRADFORD, D. F., E. M. HEITHMAR, K. STANLEY, L. MCCONNELL, D. SPARLING, S. SIMONICH, N. G. TALLENT-HALSELL, G. MOMPLAISIR, C. G. ROSAL, L. A. RIDDICK, AND K. E. VARNER. TEMPORAL AND SPATIAL PATTERNS OF AIRBORNE PESTICIDES IN THE ALPINE ENVIRONMENT OF A DECLINING CALIFORNIA AMPHIBIAN, THE MOUNTAIN YELLOW-LEGGED FROG. Presented at Understanding Agriculture's Effects on Amphibians and Reptiles in a Changing World, St. Louis, MO, February 06 - 08, 2007.

BRADFORD, D. F., E. M. HEITHMAR, N. G. TALLENT-HALSELL, G. MOMPLAISIR, C. G. ROSAL, L. A. RIDDICK, AND K. E. VARNER. TEMPORAL PATTERNS OF AIRBORNE PESTICIDES IN THE HABITATE OF THE MOUNTAIN YELLOW-LEGGED FROG IN THE SOUTHERN SIERRA NEVADA. Presented at Annual Meeting of California-Nevada Amphibian Populations Task Force, Las Vegas, NV, January 18 - 20, 2007.