Christian Gaaei Daughton, Ph.D.

Contact Information:
Christian Gaaei Daughton, Ph.D.
(702) 798-2207

Environmental Chemistry, Environmental Sciences, NERL/ORD

Employment & Academic Appointments

February 1997 - present. Supervisory Physical Scientist, Chief of the Environmental Chemistry Branch (ECB), Environmental Sciences Division, U.S. Environmental Protection Agency, Las Vegas, Nevada. Supervise and direct in-house research program in environmental and analytical chemistry. Associate Graduate Faculty, Environmental Studies Program, University of Nevada, Las Vegas.

June 1995-1996. Supervisory Research Chemist, appointed to Acting Chief, Analytical Sciences Branch (ASB) of the Characterization Research Division (CRD-Las Vegas), National Exposure Research Laboratory (NERL), ORD, U.S. Environmental Protection Agency. Second-line supervisor with 13 direct reports (including three supervisors). Total staff of 43 federals and 25 non-federals (including post-docs).

1991-1995. Supervisory Research Chemist, Chief of the Methods Research Branch (and later Program Manager), Environmental Monitoring Systems Laboratory, U.S. Environmental Protection Agency, Las Vegas, Nevada (predecessor to CRD-Las Vegas). Supervised and directed in-house and extramural research program (eight senior chemists) for development of new Agency analytical methods for chemical pollutants (e.g., RCRA SW-846). Applications of HPLC/MS, GC/SFC/DDIR, CZE/MS, HRMS, SFE, ICP/MS.

1989-1991. Technical Consultant, environmental chemistry, microbiology, and toxicology.

specializing in development of new analytical methods, environmental fate of toxicants, environmental monitoring plans, critical literature reviews, and bioremediation.

1987-1989. Staff Scientist II, Lawrence Berkeley Laboratory, University of California, Berkeley.

Deputy Leader/Research Director: LBL Synfuels Program
Directed development of computerized information system for energy-related organic pollutants; directed graduate student research on environmental fate/waste treatment of synfuel process streams.

1979-1986. Assistant Research Toxicologist, Sanitary Engineering and Environmental Health Research Laboratory, University of California, Berkeley.

Deputy Leader/Research Director: Lawrence Berkeley Laboratory Oil Shale Waste Treatment & Environmental Fate Program; founded program and secured funding from DOE.
directed/performed research on environmental fate and control technologies for oil shale retort water pollutants; directed graduate student research. Pioneered the use of solid-phase extraction for the determination of oil and grease (first new approach in decades and commercialized years later by 3M), and developed the first new approach in decades for determining organic carbon.

1978-1979. NIH Postdoctoral Fellow in Environmental Toxicology, laboratory of Prof. Martin Alexander, Department of Agronomy, Cornell University.

research on bacterial degradation of pesticide breakdown products.
developed methods of chemical analysis for organophosphorus compounds.

1978. Visiting Scientist in Clinical Chemistry, laboratory of Dr. Lloyd Snyder, Technicon Instruments Corporation, Tarrytown, New York.

developed methods for high-performance liquid chromatography.

1976-1977. Postdoctoral Associate in Microbiology, laboratory of Prof. Martin Alexander, Department of Agronomy, Cornell University.

research on bacterial metabolism of organophosphorus chemical warfare agents.
pioneering research on identification of metabolites from enzymatic cleavage of the phosphonate C-P bond.

1972-1976. NIH Predoctoral Trainee in Toxicology, Department of Environmental Toxicology, University of California, Davis.

pioneering research on bacterial metabolism and decontamination of hazardous pesticide wastes in continuous culture and in soil.

Education

University of California, Davis, Department of Environmental Toxicology.

Ph.D. 1976, Ecology. Dissertation: "Parathion and Acclimated Bacteria: Interactions in the Chemostat and in Soil." Thesis Chairman: Prof. Dennis P.H. Hsieh.

University of California, San Diego, Revelle College. B.A. 1971, Biology.

Societies/Honors

U.S. EPA 2004 Bronze Medal for Commendable Service (Region 5 Emerging Pollutant Workshop Planning Group) [awarded 27 April 2004]

U.S. EPA 2000 Scientific and Technological Achievement Award (Level II) [selected by the U.S. EPA Science Advisory Board] for publication in Environmental Health Perspectives, 107(supp 6):907-938 (1999) (PDF) [41 pp, 788KB] [awarded 24 Jan. 2002].

U.S. EPA Office of Research and Development Honor Award for Diversity Leadership (April 2000).

Member: American Chemical Society.

NIH post-doctoral fellowship in Environmental Toxicology, Cornell University (1978-79). NIH pre-doctoral traineeship in Environmental Toxicology, University of California, Davis (1972-76).

PUBLICATIONS

Refereed and Archival Journals & Books

Daughton, C.G. and Ruhoy, I.S. “PharmEcovigilance: Aligning Pharmacovigilance with Environmental Protection,” In: An Introduction to Environmental Pharmacology (ISBN # 978-81-906070-5-6), Ed. SZ Rahman & V Gupta, Ibn Sina Academy, Aligarh, India; 2008 (in press).

Daughton, C.G. and Ruhoy, I.S. “Accumulation and disposal of leftover medications: A key aspect of pharmEcovigilance,” In: An Introduction to Environmental Pharmacology (ISBN # 978-81-906070-5-6), Ed. SZ Rahman & V Gupta, Ibn Sina Academy, Aligarh, India; 2008 (in press).

Daughton, C.G. and Ruhoy, I.S. "The Afterlife of Drugs and the Role of PharmEcovigilance," [request reprint] Drug Safety, 2008, 31 (12); 1069-1082.

Ruhoy, I.S. and Daughton, C.G. "Beyond the Medicine Cabinet: An Analysis of Where and Why Medications Accumulate (PDF)" [36 pp, 378K About PDF], Environ. Internat. 2008, 34:1157-1169; doi:10.1016/j.envint.2008.05.002.

Daughton, C.G. "Pharmaceuticals as Environmental Pollutants: the Ramifications for Human Exposure,"[request reprint] In: International Encyclopedia of Public Health, Kris Heggenhougen and Stella Quah (Eds.), Vol. 5, San Diego: Academic Press; 2008, pp. 66-102; http://www.elsevier.com/wps/find/bookdescription.cws_home/714579/description#description
http://linkinghub.elsevier.com/retrieve/doi/10.1016/B978-012373960-5.00403-2

Ruhoy, I.S. and Daughton, C.G. "Types and Quantities of Leftover Drugs Entering the Environment via Disposal to Sewage - Revealed by Coroner Records," Sci. Total Environ., 2007, 388(1-3):137-148.

Daughton, C.G. "Pharmaceuticals in the Environment: Sources and Their Management," Chapter 1, 1-58, In Analysis, Fate and Removal of Pharmaceuticals in the Water Cycle (M. Petrovic and D. Barcelo, Eds.), Wilson & Wilson's Comprehensive Analytical Chemistry series (D. Barcelo, Ed.), Volume 50, Elsevier Science; 2007, 564pp.

Daughton, C.G. "Emerging Chemicals as Pollutants in the Environment: a 21st Century Perspective (PDF)," [20 pp, 736KB] Renewable Resources Journal., 2005, 23(4):6-23.

Daughton, C.G. "Non-Regulated Water Contaminants: Emerging Research (PDF)," [22 pp, 222KB] Environ. Impact Assess. Rev., 2004, 24(7-8):711-732 (in A. Steinemann and J. Tickner, eds.: "Environment and Health - New Answers, New Questions."

Daughton, C.G. "Groundwater Recharge and Chemical Contaminants: Challenges in Communicating the Connections and Collisions of Two Disparate Worlds (PDF)," [13 pp, 562KB] Ground Water Monitoring & Remediation, Spring 2004, 24(2):127-138.

Daughton, C.G. "PPCPs in the Environment: Future Research - Beginning with the End Always in Mind (PDF)," [29 pp, 237KB] In Pharmaceuticals in the Environment, Kümmerer, K. (Ed.), 2nd edition, Springer, 2004, chapter 33, pp. 463-495.

Daughton, C.G. "Pollution from the Combined Activities, Actions, and Behaviors of the Public: Pharmaceuticals and Personal Care Products," invited article for Diversified Perspectives, Northern California Regional Chapter of the Society of Environmental Toxicology and Chemistry, NorCal SETAC News 14(1):5-15, Feb 2003.
http://www.epa.gov/nerlesd1/bios/daughton/seatac.pdf [12 pp, 155KB]

Daughton, C.G. “Chemicals from Pharmaceuticals and Personal Care Products (PDF),” [7 pp, 1.3MB] in Water: Science and Issues, E. Julius Dasch (ed.), New York: Macmillan Reference USA, 2003, vol. 1, p 158-164.

Daughton CG. "Cradle-to-Cradle Stewardship of Drugs for Minimizing Their Environmental Disposition while Promoting Human Health. I. Rationale for and Avenues toward a Green Pharmacy (PDF)," [18 pp, 481KB] Environ. Health Perspect. 2003, 111(5):757-774.

Daughton C.G. 2003. "Cradle-to-Cradle Stewardship of Drugs for Minimizing Their Environmental Disposition while Promoting Human Health. II. Drug Disposal, Waste Reduction, and Future Direction (PDF)," [11 pp, 150KB] Environ. Health Perspect. 2003, 111(5):775-785.

Daughton, C.G. "Environmental stewardship and drugs as pollutants (PDF)," [1 pg, 110KB] Lancet 2002, 360:1035-1036.

Daughton, C.G. "Literature Forensics? Door to What Was Known but Now Forgotten (PDF)," [6 pp, 110KB] Environ. Forensics 2001, 2: 277-282.

Also see follow-up commentary: Daughton, C.G. "Literature Forensics: Navigating Through Flotsam, Jetsam, and Lagan," The Scientist 2002, 16(4):12 (Feb. 18).

Daughton, C.G. "Emerging Pollutants, and Communicating the Science of Environmental Chemistry and Mass Spectrometry — Pharmaceuticals in the Environment (PDF)," [15 pp, 158KB] J. Am. Soc. Mass. Spectrom. 2001 12, 1-10.

Daughton, C.G.; Jones-Lepp, T. (eds.) Pharmaceuticals and Personal Care Products in the Environment: Scientific and Regulatory Issues, Symposium Series 791; American Chemical Society: Washington, D.C., 2001, 416 pp.
http://www.oup-usa.org/isbn/0841237395.html (0-8412-3739-5)

Daughton, C.G.; Jones-Lepp, T. "Preface," in Pharmaceuticals and Personal Care Products in the Environment: Scientific and Regulatory Issues, Daughton, C.G. and Jones-Lepp, T. (eds.), Symposium Series 791; American Chemical Society: Washington, D.C., 2001.

Daughton, C.G. "Illicit Drugs in Municipal Sewage: Proposed New Non-Intrusive Tool to Heighten Public Awareness of Societal Use of Illicit/Abused Drugs and Their Potential for Ecological Consequences," in Pharmaceuticals and Personal Care Products in the Environment: Scientific and Regulatory Issues, Daughton, C.G. and Jones-Lepp, T. (eds.), Symposium Series 791; American Chemical Society: Washington, D.C., 2001, pp. 348-364.

Daughton, C.G. "Pharmaceuticals in the environment: Overarching issues and overview," in Pharmaceuticals and Personal Care Products in the Environment: Scientific and Regulatory Issues, Daughton, C.G. and Jones-Lepp, T. (eds.), Symposium Series 791; American Chemical Society: Washington, D.C., 2001, pp. 2-38.

Daughton, C.G.; Ternes, T.A. Pharmaceuticals and Personal Care Products in the Environment: Agents of Subtle Change?" (PDF) [41 pp, 788KB] Environ. Health Perspect. 1999, 107(suppl 6), 907-938.

Daughton, C.G.; Ternes, T.A. "Erratum: Pharmaceuticals and Personal Care Products in the Environment: Agents of Subtle Change?" (PDF) [41 pp, 788KB] (Environ. Health Perspect. 1999, 107(suppl. 6), 907-938), Environ. Health Perspect., 2000 108(suppl. 3), 598.

Blatchley, E.R. III, Daughton, C.G., Thomas, J.F. "Evaluation of Ozone-Alkylpyridine Reaction Kinetics Using Spectroscopic Measurements," Atmos. Environ., 1993, 27A(1), 113-116.

Daughton, C.G.; Sakaji, R.H.; Langlois, G.W. "Oil Shale Retort-Water Ammonia Determination by Titrimetry, Phenate Colorimetry, Enzymatic Analysis, and Chromatographic Fractionation/Chemiluminescence," Anal. Chem. 1986, 58, 1556-1561, LBL-21142.

Hunter, L.; Persoff, P.; Daughton, C.G. "Identification and Correlation of Volatile Components in Oil Shale Report [sic: Retort] Wastewaters," in Chemistry for Protection of the Environment 1985 (Proceedings of the Fifth International Conference), Pawlowski, L., Alaerts, G., and Lacy, W.J., Eds., Studies in Environmental Science 29; Elsevier, Amsterdam, 1986; p 637-651.

Daughton, C.G.; Jones, B.M.; Sakaji, R.H. "Organic Nitrogen Determination in Oil Shale Retort Waters," Anal. Chem. 1985, 57, 2326-2333, LBL-18487.

Healy, J.B., Jr.; Langlois, G.W.; Daughton, C.G. "Biooxidation of Organic Solutes in Oil Shale Wastewaters," Water Res. 1985, 19, 1429-1435, LBL-18327.

Jones, B.M.; Daughton, C.G. "Chemiluminescence vs. Kjeldahl Determination of Nitrogen in Oil Shale Retort Waters and Organonitrogen Compounds," Anal. Chem. 1985, 57, 2320-2325, LBL-18238.

Jones, B.M.; Sakaji, R.H.; Daughton, C.G. "Effects of Ozonation and Ultraviolet Irradiation on Biodegradability of Oil Shale Wastewater Organic Solutes," Water Res. 1985, 19, 1421-1428, LBL-18237.

Jones, B.M.; Sakaji, R.H.; Daughton, C.G. "Comparison of Microcolorimetric and Macrotitrimetric Methods for Chemical Oxygen Demand of Oil Shale Wastewaters," Anal. Chem. 1985, 57, 2334-2337, LBL-18414.

Jones, B.M.; Langlois, G.W.; Sakaji, R.H.; Daughton, C.G. "Effect of Ozonation and UV Irradiation on Biorefractory Organic Solutes in Oil Shale Retort Water," Environ. Prog. 1985, 4, 252-258, LBL-17974.

Langlois, G.W.; Jones, B.M.; Sakaji, R.H.; Daughton, C.G. "Quantitation of Carbon in Oil Shale Process Wastewaters: Coulometry Coupled with Ultraviolet-Peroxydisulfate and High-Temperature Oxidation," J. Test. Eval. 1984, 12(4), 227-237, LBL-15861.

Cook, A.M.; Daughton, C.G. "Total Phosphorus Determination by Spectrophotometry," in Methods in Enzymology, Lowenstein, J.M., Ed., 1981, 72 (Lipids part D), p. 292-295.

Cook, A.M.; Daughton, C.G.; Alexander, M. "Desulfuration of Dialkyl Thiophosphoric Acids by a Pseudomonad," Appl. Environ. Microbiol., 1980, 39, 463-465.

Cook, A.M.; Daughton, C.G.; Alexander, M. "Benzene from Bacterial Cleavage of the Carbon-Phosphorus Bond of Phenylphosphonates," Biochem. J., 1979, 184, 453-455.

Daughton, C.G.; Cook, A.M.; Alexander, M. "Bacterial Conversion of Alkylphosphonates to Natural Products via Carbon-Phosphorus Bond Cleavage," J. Agric. Food Chem., 1979, 27, 1375-1382.

Daughton, C.G.; Cook, A.M.; Alexander, M. "Gas Chromatographic Determination of Phosphorus-Containing Pesticide Metabolites via Benzylation," Anal. Chem., 1979, 51, 1949-1953.

Barles, R.W.; Daughton, C.G.; Hsieh, D.P.H. "Accelerated Parathion Degradation in Soil Inoculated with Acclimated Bacteria under Field Conditions," Arch. Environ. Contam. Toxicol., 1979, 8, 647-660.

Daughton, C.G.; Cook, A.M.; Alexander, M. "Phosphate and Soil-Binding: Factors Limiting Bacterial Degradation of Ionic Phosphorus-Containing Pesticide Metabolites," Appl. Environ. Microbiol., 1979, 37, 605-609.

Daughton, C.G.; Cook, A.M.; Alexander, M. "Biodegradation of Phosphonate Toxicants Yields Methane or Ethane on Cleavage of the C-P Bond," FEMS Microbiol., 1979, 5(2), 91-93.

Cook, A.M.; Daughton, C.G.; Alexander, M. "Phosphorus-Containing Pesticide Breakdown Products: Quantitative Utilization as Phosphorus Sources by Bacteria," Appl. Environ. Microbiol., 1978, 36, 668-672.

Cook, A.M.; Daughton, C.G.; Alexander, M. "Determination of Phosphorus-Containing Compounds by Spectrophotometry," Anal. Chem., 1978, 50, 1716-1717.

Cook, A.M.; Daughton, C.G.; Alexander, M. "Phosphonate Utilization by Bacteria," J. Bacteriol., 1978, 133(1), 85- 90.

Daughton, C.G.; Hsieh, D.P.H. "Parathion Utilization by Bacterial Symbionts in a Chemostat," Appl. Environ. Microbiol., 1977, 34, 175-184.

Daughton, C.G.; Hsieh, D.P.H. "Accelerated Parathion Degradation in Soil by Inoculation with Parathion-Utilizing Bacteria," Bull. Environ. Contam. Toxicol., 1977, 18, 48-56.

Daughton, C.G.; Crosby, D.G.; Garnas, R.L.; Hsieh, D.P.H. "Analysis of Phosphorus-Containing Hydrolytic Products of Organophosphorus Insecticides in Water," J. Agric. Food. Chem., 1976, 24, 236-241.

Web Sites

U.S. EPA. 2008. “ Pharmaceuticals and Personal Care Products (PPCPs): Relevant Literature,” U.S. Environmental Protection Agency, Las Vegas, NV (a comprehensive database of literature references compiled and maintained by CG Daughton and MST King).

Pharmaceuticals and Personal Care Products (PPCPs) as Environmental Pollutants: Pollution from Personal Actions, Activities, and Behaviors; conceived, designed, and established by C.G. Daughton (beginning in April 2000): http://www.epa.gov/nerlesd1/chemistry/pharma/index.htm; site retired and migrated to http://www.epa.gov/ppcp (2007).

Posters

Ruhoy I.S. and Daughton C.G. " Pharmaceutical Disposal and the Environment," U.S. EPA, Las Vegas, NV; illustrated poster, December 2007, NERL-LV-ESD-07-132.

Ruhoy I.S. and Daughton C.G. "Disposal as a Source of Pharmaceuticals in the Environment," U.S. EPA, Las Vegas, NV; illustrated poster, December 2007; NERL-LV-ESD-07-129.

Daughton CG "The Environmental Life Cycle of Pharmaceuticals (PDF)," (1 pp, 2.6MB, About PDF) illustration, US EPA, NERL, Las Vegas, NV, 2 December 2006. [note: This illustration has been published in Daughton CG "Pharmaceuticals as Environmental Pollutants: the Ramifications for Human Exposure," In: International Encyclopedia of Public Health, Kris Heggenhougen and Stella Quah (Eds.), Vol. 5, San Diego: Academic Press; 2008, pp. 66-102].

Daughton, C.G. "Origins and Fate of PPCPs in the Environment (PDF)," [1 pg, 328KB] U.S. EPA, NERL, Las Vegas February 2001 (revised January 2004; March 2006). [note: This illustration has been published in a several articles, one of which can be cited as: Daughton, C. G. (2007). Pharmaceuticals in the environment: sources and their management. Analysis, Fate and Removal of Pharmaceuticals in the Water Cycle. M. Petrovic and D. Barcelo, Elsevier Science. Volume 50: 1-58.]

Daughton, C.G. "Pharmaceuticals and Personal Care Products (PPCPs) as Environmental Pollutants (PDF)," [1 pg, 1194KB] prepared for the U.S. EPA 2003 Science Forum, Washington, DC.

Daughton, C.G. "Biological Systems and Stressors: 'Toxicant Totality Tolerance Trajectory' - 4T's (PDF)," [2 pp, 256KB] U.S. EPA, NERL, Las Vegas (October 2002).

Daughton, C.G. "Pharmaceuticals and Personal Care Products (PPCPs) as Ubiquitous Pollutants from Personal Use and Activities (PDF)," [1 pg, 4MB] U.S. EPA, NERL, Las Vegas (May 2002).

Daughton, C.G. "Pharmaceuticals & Personal Care Products (PPCPs) in the Environment: Agents of Subtle Change? (PDF)," [1 pg, 6 MB] U.S. EPA, NERL, Las Vegas (January 2001).

Reports

Daughton, C.G. "Drug Usage and Disposal: Overview of Environmental Stewardship and Pollution Prevention (with an emphasis on activities in the Federal Government) (PDF) ," [24 pp, 4.1MB, About PDF] US EPA, Office of Research and Development, Environmental Sciences Division, Las Vegas, Nevada, 23 pp, 15 October 2008; report prepared for: Research Triangle Environmental Health Collaborative - an Environmental Health Summit, “Pharmaceuticals in Water: What We Know, Don’t Know, and Should Do,” 10-11 November 2008, North Carolina Biotechnology Center, Research Triangle Park, North Carolina; available:
http://environmentalhealthcollaborative.org/summit/presentations-and-materials/
http://environmentalhealthcollaborative.org/images/ChristianDaughtonAbstract.pdf

Daughton, C.G. and Ruhoy, I.S. "Pharmaceuticals in the Environment - - Why Should Anyone Care?" guest editorial, KNAPPE Newsletter No. 2, Knowledge and Need Assessment on Pharmaceutical Products in Environmental Waters, p 1-6, October 2007.

Daughton, C.G. "'Emerging Pollutants' - Questions, Challenges, and the Future," guest editorial, NORMAN Newsletter, Network of Reference Laboratories for Monitoring of Emerging Environmental Pollutants, EU, issue 1, June 2006; available: http://www.norman-network.net/newsletters/newsletter_norman_1.pdf

Daughton, C.G. "Non-Regulated Contaminants: Emerging Issues (PDF)," [41 pp, 1.9MB] invited speaker, National Academies, Institute of Medicine, Roundtable on Environmental Health Sciences, Research, and Medicine (EHSRT), Workshop #5: From Source Water to Drinking Water: Emerging Challenges for Public Health, 16 October 2003, Washington, DC: http://www.iom.edu/event.asp?id=14623 Note: The proceedings from this workshop were summarized in an IOM book: "From Source Water to Drinking Water: Workshop Summary," 2004; available: http://books.nap.edu/catalog/11142.html (see pages 39-42, section "Non-regulated Contaminants": http://books.nap.edu/books/0309093066/html/35.html#pagetop).

Daughton, C.G. "Environmental Stewardship of Pharmaceuticals: The Green Pharmacy." In: The Proceedings of the National Ground Water Association (NGWA ), 3rd International Conference on Pharmaceuticals and Endocrine Disrupting Chemicals in Water, Minneapolis, MN; 19-21 March 2003, p. 5-14.

Daughton, C.G. "A Key to Ensuring Success for EPA: Enhancing the Exchange of Knowledge & Information," 43-slide presentation on "knowledge management" prepared June 2002 (updated July and 29 August 2002).

Daughton, C.G. "Commentary on Illicit Drugs in the Environment: A Tool for Public Education - Societal Drug Abuse and Its Aiding of Terrorism," 23 October 2001.
http://www.epa.gov/nerlesd1/bios/daughton/book-post.htm)

(note: this commentary further elaborates and extends upon the ideas first presented in the book chapter "Illicit Drugs in Municipal Sewage: Proposed New Non-Intrusive Tool to Heighten Public Awareness of Societal Use of Illicit/Abused Drugs and Their Potential for Ecological Consequences," C.G. Daughton, in Pharmaceuticals and Personal Care Products in the Environment: Scientific and Regulatory Issues, Daughton, C.G. and Jones-Lepp, T. (eds.), Symposium Series 791; American Chemical Society: Washington, D.C., 2001, pp. 348-364 (Chapter 20).

Jones-Lepp, T.L.; Alvarez, D.A.; Petty, J.D.; Osemwengie, L.I.; Daughton, C.G. "Analytical Chemistry for Mapping Trends of Pharmaceutical and Personal Care Product Pollution from Personal Use: Some Current Research and Future Needs," 2001.
(Presented at 10th Annual Symposium on Handling of Environmental and Biological Samples, Wiesbaden, Germany), NERL-LV 01-058, 10 September 2001.

Daughton, C.G. "Pollution from Personal Actions, Activities, and Behaviors: Pharmaceuticals and Personal Care Products in the Environment (Multidimensional Science Issues Relevant to Regulatory Considerations) (PDF)," [13 pp, 1.1MB] Environment 2001: Water, Energy and the Law, session on "Pharmaceutical Discharges and Drinking Water" (http://www.law.tulane.edu), organized by The Tulane Institute for Environmental Law and Policy (http://www.law.tulane.edu), 9 March 2001, New Orleans, Louisiana, 13 pages.

Daughton, C.G.; Thomas, J.F. "Energy-Related Organic Compounds (EROC): A Microcomputer Information Database of Potential Pollutants," in Applied Science Division 1988 Annual Report, Energy Conversion and Storage Program, Lawrence Berkeley Laboratory report LBL-26583, 1989; p 1-17/1-18.

Daughton, C.G. "Quantitation of Acrylamide (and Polyacrylamide) (PDF)," [63 pp, 4.7MB]: Critical Review of Methods for Trace Determination/Formulation Analysis & Future-Research Recommendations," Final Report No. CGD-02/88, 23 June 1988, 56 pp; final report to The California Public Health Foundation, Subcontract No. 84-84571 (also available as NTIS PB89-121685/AS).

Daughton, C.G. "Potential Routes and Products of Environmental Transport and Transformation of Strict Hydrocarbons at Petroleum-Waste Land-Treatment Facilities and Implications for Site Management," 4 April 1988 (prepared for UNOCAL's Rodeo, CA, Refinery Land-Farm Site Closure Plan).

Blatchley III, E.R.; Thomas, J.F.; Daughton, C.G. "Kinetics of Gas-Phase Reactions between Ozone and Selected Nitrogen Heterocycles from Oil Shale Wastes," in Applied Science Division 1987 Annual Report, Energy Conversion and Storage Program, Lawrence Berkeley Laboratory report LBL-24211, 1988; p 1-32/1-33.

Sakaji, R.H.; Daughton, C.G.; Selleck, R.E.; Thomas, J.F. "Ammonia Removal from Oil Shale Process Waters Using Tubular, Microporous Polytetrafluoroethene Membranes," in Applied Science Division 1987 Annual Report, Energy Conversion and Storage Program, Lawrence Berkeley Laboratory report LBL-24211, 1988; p 1-29/1-31.

Daughton, C.G.; Langlois, G.W.; Thomas, J.F. "Energy-Related Organic Compounds: A Microcomputer Data Base of Chemical Properties, Structures, and Synonyms (CPSS)," in Applied Science Division 1986 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-22151, 1987; p 1-27/1-30.

Blatchley III, E.R.; Daughton, C.G.; Thomas, J.F. "Sunlight Photochemistry of Retort-Water Organonitrogen Compounds in an Inert Atmosphere," in Nineteenth Oil Shale Symposium Proceedings, Gary, J.H., Ed.; Colorado School of Mines Press: Golden, CO, 1986; p 199-207.

Blatchley III, E.R.; Daughton, C.G.; Thomas, J.F. "Sunlight Reactions of Volatile Organonitrogen Emissions from Oil Shale Wastewaters," in Applied Science Division 1985 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-20204, 1986; p 4-52/4-55.

Daughton, C.G., Organic Constituents of Oil-Shale Process Streams: Occurrence, Origin, and Fate, and Source-Monitoring Recommendations, Sanitary Engineering and Environmental Health Research Laboratory, University of California: Berkeley, California; UCB/SEEHRL 86-5, First Edition, 1986.

Healy, J.B., Jr.; Daughton, C.G. "Issues Relevant to Biodegradation of Energy-Related Compounds in Ground Water: A Literature Review," Lawrence Berkeley Laboratory report LBL-20577, 1986; 42 pp.

Healy, J.B., Jr.; Langlois, G.W.; Sakaji, R.H.; Thomas, J.F; Daughton, C.G. "Treatment of an Oil Shale Retort Water by Stationary Fixed Biofilm," in Applied Science Division 1985 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-20204, 1986; p 4-43/4-47.

Healy, J.B., Jr.; Langlois, G.W.; Thomas, J.F; Daughton, C.G. "Effect of an Oil Shale Retort Water on Biooxidation of Aromatic Amines," in Applied Science Division 1985 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-20204, 1986; p 4-47/4-51.

Persoff, P.; Thomas, J.F.; Daughton, C.G. "Diffusivity of Nitrogen Heterocycles in Simulated Codisposed Oil Shale Wastes," in Applied Science Division 1985 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-20204, 1986; p 4-55/4-61.

Sakaji, R.H.; Daughton, C.G.; Selleck, R.E.; Thomas, J.F. "Ammonia Removal from Oil Shale Process Waters Using Tubular, Microporous Polytetrafluoroethene Membranes," in Nineteenth Oil Shale Symposium Proceedings, Gary, J.H., Ed.; Colorado School of Mines Press: Golden, CO, 1986; p 208-216.

Blatchley III, E.R.; Daughton, C.G.; Healy, J., Jr.; Hunter, L.; Langlois, G.W.; Persoff, P.; Sakaji, R.H.; Thomas, J.F. "Oil Shale Research at Lawrence Berkeley Laboratory: Environmental Aspects," in Proceedings of the First Annual Tar Sand/Oil Shale Contractors Meeting, 9-11 July 1985, Morgantown, WV.

Daughton, C.G.; Jones, B.M.; Sakaji, R.H.; Thomas, J.F. "Rapid Estimation of Organic Nitrogen in Oil Shale Wastewaters," in Applied Science Division 1984 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-18754, 1985; p 4-51/4-55.

Sakaji, R.H.; Thomas, J.F. Daughton, C.G. "Removal of Ammonia from Wastewaters Using Tubular Microporous Polytetrafluoroethene Membranes," in Applied Science Division 1984 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-18754, 1985; p 4-56/4-60.

Hunter, L.; Persoff, P.; Thomas, J.F.; Daughton, C.G. "Identification and Correlation of Volatile Components in Retort Waters," in Applied Science Division 1985 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-20204, 1985; p 4-60/4-63.

Persoff, P.; Hunter, L.; Blatchley, E.R.; Thomas, J.F.; Daughton, C.G. "Removal of Nitrogen Heterocycles by Sorption to Spent Shale," in Applied Science Division 1985 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-20204, 1985; p 4-63/4-66.

Daughton, C.G. (Ed.) A Manual of Analytical Methods for Wastewaters: Oil Shale Retort Waters (PDF), [266 pp, 9MB] 2nd edition, University of California, Berkeley, UCB/SEEHRL 84-2, 1984, 254 pp. (NTIS DE84015967).

Daughton, C.G.; Jones, B.M.; Sakaji, R.H. "Rapid Fractionation of Aqueous Samples by Reverse-Phase Partitioning," (PDF) [266 pp, 9MB] in A Manual of Analytical Methods for Wastewaters: Oil Shale Retort Waters, 2nd ed., Daughton, C.G., Ed.; University of California, Berkeley, UCB/SEEHRL 84-2, 1984, Chapter I (NTIS DE84015967).

Daughton, C.G.; Jones, B.M.; Sakaji, R.H. "Separation of Ammonia from Organic Nitrogen Using Microporous Polytetrafluoroethene Membranes: Nonosmotic Dissolved-Gas Dialysis,"(PDF) [266 pp, 9MB]in A Manual of Analytical Methods for Wastewaters: Oil Shale Retort Waters, 2nd ed., Daughton, C.G., Ed.; University of California, Berkeley, UCB/SEEHRL 84-2, 1984, Chapter II (NTIS DE84015967).

Langlois, G.W.; Jones, B.M.; Sakaji, R.H.; Daughton, C.G. "Carbon Analysis: UV-Peroxydisulfate or High-Temperature Oxidation Coupled with Coulometric Titration,"(PDF) [266 pp, 9MB] in A Manual of Analytical Methods for Wastewaters: Oil Shale Retort Waters, 2nd ed., Daughton, C.G., Ed.; University of California, Berkeley, UCB/SEEHRL 84-2, 1984, Chapter III (NTIS DE84015967).

Daughton, C.G.; Cantor, J.; Jones, B.M.; Sakaji, R.H. "Ammonia: Colorimetric and Titrimetric Quantitation,"(PDF) [266 pp, 9MB] in A Manual of Analytical Methods for Wastewaters: Oil Shale Retort Waters, 2nd ed., Daughton, C.G., Ed.; University of California, Berkeley, UCB/SEEHRL 84-2, 1984, Chapter IV (NTIS DE84015967).

Jones, B.M.; Harris, G.J.; Daughton, C.G. "Nitrogen: Kjeldahl and Combustion/Chemiluminescence,"(PDF) [266 pp, 9MB] in A Manual of Analytical Methods for Wastewaters: Oil Shale Retort Waters, 2nd ed., Daughton, C.G., Ed.; University of California, Berkeley, UCB/SEEHRL 84-2, 1984, Chapter V (NTIS DE84015967).

Jones, B.M.; Sakaji, R.H.; Daughton, C.G. "Chemical Oxygen Demand (COD): Colorimetric and Titrimetric Quantitation,"(PDF) [266 pp, 9MB] in A Manual of Analytical Methods for Wastewaters: Oil Shale Retort Waters, 2nd ed., Daughton, C.G., Ed.; University of California, Berkeley, UCB/SEEHRL 84-2, 1984, Chapter VI (NTIS DE84015967).

Daughton, C.G.; Jones, B.M.; Sakaji, R.H. "Microbial Biomass: Quantitation as Protein,"(PDF) [266 pp, 9MB] in A Manual of Analytical Methods for Wastewaters: Oil Shale Retort Waters, 2nd ed., Daughton, C.G., Ed.; University of California, Berkeley, UCB/SEEHRL 84-2, 1984, Chapter VII (NTIS DE84015967).

Healy, J.H., Jr.; Jones, B.M.; Langlois,G.W.; Thomas, J.F.; Daughton, C.G. "Biotreatment of Oil Shale Wastewaters Using Batch Cultures and Fixed-Film Reactors," in Applied Science Division 1983 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-17073, 1984; p 4-35/4-38.

Hunter, L.; Persoff, P.; Thomas, J.F.; Daughton, C.G. "Volatile Emissions from Codisposal of Spent Shale and Retort Wastewaters," in Applied Science Division 1983 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-17073, 1984; p 4-42/4-44.

Jones, B.M.; Harris, G.J.; Daughton, C.G. "Rapid Estimation of Organic Nitrogen in Oil Shale Wastewaters," in Seventeenth Oil Shale Symposium Proceedings, Gary, J.H., Ed.; Colorado School of Mines Press: Golden, CO, 1984; p 367-375 (LBL-17019).

Jones, B.M.; Harris, G.J.; Thomas, J.F.; Daughton, C.G. "Quantification of Total and Organic Nitrogen in Oil Shale Wastewaters," in Applied Science Division 1983 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-17073, 1984; p 4-31/4-35.

Persoff, P.; Hunter, L.; Thomas, J.F.; Daughton, C.G. "Prediction of Atmospheric Emissions Resulting from Codisposal of Oil Shale Wastes," in Applied Science Division 1983 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-17073, 1984; p 4-38/4-42.

Sakaji, R.H.; Persoff, P.; Daughton, C.G. "Steam Stripping of Oil Shale Wastewaters: LBL/SEEHRL Steam Stripper — Design, Operation, and Maintenance Manual," Lawrence Berkeley Laboratory report LBL-18207, August 1984.

Sakaji, R.H.; Thomas, J.F.; Daughton, C.G. "Physicochemical Treatment of Oil Shale Wastewaters by Steam Stripping," in Applied Science Division 1983 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-17073, 1984; p 4-45/4-48.

Daughton, C.G. "Biodegradation Techniques for Industrial Organic Wastes (edited by D.J. De Renzo): A Book Review," J. Toxicol. Environ. Health 1983, 12, 848-849.

Healy, J.B.; Jones, B.M.; Langlois, G.W.; Daughton, C.G. "Biotreatment of Oil Shale Wastewaters," in Sixteenth Oil Shale Symposium Proceedings, Gary, J.H., Ed.; Colorado School of Mines Press: Golden, CO, 1983; p 498-511.

Jones, B.M.; Langlois, G.W.; Sakaji, R.H.; Thomas, J.F.; Daughton, C.G. "Oil Shale Waste Treatment: Effect of Ozonation and UV Irradiation on Biorefractory Organic Solutes," in Energy and Environment Division 1982 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-15298, 1983; p 4-44/4-51. Daughton, C.G., Ed., Quantitation of Oil Shale Wastewater Quality: A Manual of Analytical Methods, University of California, Berkeley, UCB/SEEHRL Report No. 82-6, 1982 (150 pp.) (also LBL-15816 and NTIS DE 83 011034 A08).

Daughton, C.G.; Jones, B.M.; Sakaji, R.H.; Thomas, J.F. "Analytical Methods for Quantitating Performance of Oil Shale Wastewater Treatment," in Energy and Environment Division 1981 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-13500, 1982; p 4-45/4-50.

Jones, B.M.; Sakaji, R.H.; Daughton, C.G. "Physicochemical Treatment Methods for Oil Shale Wastewater: Evaluation as Aids to Biooxidation," in Fifteenth Oil Shale Symposium Proceedings, Gary, J.H., Ed.; Colorado School of Mines Press: Golden, CO, 1982; p 581-597 (LBL-14666).

Jones, B.M.; Sakaji, R.H.; Thomas, J.F.; Daughton, C.G. "Microbial Aspects of Oil Shale Wastewater Treatment," in Energy and Environment Division 1981 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-13500, 1982; p 4-51/4-57.

Sakaji, R.H.; Jones, B.M.; Thomas, J.F.; Daughton, C.G. "Processes for the Physico-Chemical Treatment of Oil Shale Wastewater," in Energy and Environment Division 1981 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-13500, 1982; p 4-57/4-62.

Daughton, C.G. "Health Effects Investigation of Oil Shale Development: A Book Review," Environ. Management 1981, 5, 546-547.

Daughton, C.G. Laboratory Safety and Conduct Guidelines, SEEHRL, University of California, Berkeley, June 1981.

Daughton, C.G.; Jones, B.M.; Sakaji, R.H. "Analytical Problems in Monitoring Retort Water Treatment," in Energy and Environment Division 1980 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-11989 (revised), 1981; p 8-70/8-74.

Jones, B.M.; Sakaji, R.H.; Daughton, C.G. "Treatment of Wastewater from Modified In-Situ Oil Shale Retorting," in Energy and Environment Division 1980 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-11989 (revised), 1981; p 8-57/8-61.

Sakaji, R.H.; Jones, B.M.; Daughton, C.G. "Raw and Spent Shale from the Treatment of Oil Shale Process Waters," in Energy and Environment Division 1980 Annual Report, Environmental Research Program, Lawrence Berkeley Laboratory report LBL-11989 (revised), 1981; p 8-62/8-66.

Daughton, C.G.; Hsieh, D.P.H. "Interactions of Ethyl Parathion and an Acclimated Bacterial Community in the Chemostat," in Abstracts of Papers: Fifth International Fermentation Symposium, Dellweg, H., Ed.; 1976; p. 123.

Professional Presentations

Daughton C.G. "Drug Usage and Disposal: Overview of Environmental Stewardship and Pollution Prevention (PDF)," [30 pp, 2.7MB, About PDF] invited overview for Research Triangle Environmental Health Collaborative - an Environmental Health Summit, "Pharmaceuticals in Water: What We Know, Don't Know, and Should Do," 10-11 November 2008, North Carolina Biotechnology Center, Research Triangle Park, North Carolina; available:
http://environmentalhealthcollaborative.org/summit/presentations-and-materials/
http://environmentalhealthcollaborative.org/images/ChristianDaughtonPresentation.pdf

Ruhoy I.S. and Daughton C.G. "Discarded Drugs as Environmental Contaminants," invited presentation for "2008 Healthy Environment Forum Series," Oregon Environmental Council, Portland, OR, 19 June 2008; meeting details here: http://www.oeconline.org/kidshealth/healthprofessionals/healthforum

Ruhoy, I.S. and Daughton, C.G. "Developing a Drug Take-Back Program," invited presentation for "Geriatrics '08, 30th Midyear Conference and Exhibition," American Society of Consultant Pharmacists, Las Vegas, NV, 14-16 May 2008.

Daughton C.G. "Environmental Stewardship of Pharmaceuticals - an Overview of Sources, Control, and Science Questions," invited plenary presentation for the KNAPPE Workshop on Environmental Stewardship of Pharmaceuticals & Policy Instruments (KNAPPE - Knowledge and Need Assessment of Pharmaceutical Products in the Environment: www.knappe-eu.org), Central Science Laboratory, York, UK, 29-30 April 2008.

Daughton C.G. "Pharmaceuticals and Personal Care Products in the Environment: an Overview of the Science," invited guest speaker for the American Chemical Society, Southern Nevada Section, 22 April 2008, UNLV, Las Vegas.

Ruhoy, I.S. and Daughton, C.G. "Discarded Drugs as Environmental Contaminants," invited presentation for "Prudent Disposal of Unused Medications and Effects on theEnvironment," session at the Aging in America conference, American Society on Aging, Washington, DC, 28 March, 2008.

Glassmeyer S, Batt A, Kostich M, Lazorchak J, Daughton C.G., Jones-Lepp T, and Ruhoy I "United States Environmental Protection Agency Research on Pharmaceuticals and Personal Care Products," invited keynote (Daughton) presentation to: "Pharmaceutical Compounds in the Environment: trend toward lowering occurrence and impact," sponsored by The KNAPPE Project (Knowledge and Need Assessment of Pharmaceutical Products in Environmental Waters), an EU Framework Six Specific Support Action, 19-20 February 2008, Nimes, France.

Ruhoy, I.S. and Daughton, C.G. "Discarded Drugs as Environmental Contaminants,"presented at the Society of Environmental Toxicology and Chemistry (SETAC) North America 28th Annual Meeting, 15 November 2007, Milwaukee, WI.

Ruhoy, I.S. and Daughton, C.G. "Discarded Drugs as Environmental Contaminants," invited keynote presentation for the "Safe Medicine Disposal Symposium," sponsored by the Sonoma County Water Agency, Rohnert Park, CA, 8 November 2007.

Ruhoy, I.S. and Daughton, C.G."Discarded Drugs as Environmental Contaminants," invited presentation at the "4th Annual Unused Drug Return Conference," Maine Benzodiazepine Study Group & University of Maine Center on Aging, 31 October – 1 November 2007, Portland, Maine.

Daughton C.G. "PPCPs in the Environment: an Overview of the Science," invited presentation to the Lake Mead Water Quality Forum, for the Nevada Division of Environmental Protection, Nevada Department of Conservation and Natural Resources, Las Vegas, NV, 26 July 2007.

Daughton C.G. "PPCPs in the Environment: an Overview of the Science," keynote presentation for the 2007 AWRA (American Water Resources Association) Summer Specialty Conference on Emerging Contaminants in the Environment, 25-27 June 2007, Vail, CO; http://www.awra.org/meetings/Vail2007/index.html

Daughton C.G. "PPCPs in the Environment: an Overview of the Science," invited presentation for conference on Pharmaceuticals and Personal Care Products in the Environment, California Department of Toxic Substances Control, Sacramento, California, 22 May 2007.

Daughton C.G. "PPCPs in the Environment: an Overview of the Science," invited presentation for symposium on "Emerging (Unregulated) Contaminants," AWWA CA/NV Section, Spring 2007 Conference, Las Vegas, Nevada, 18 April 2007.

Daughton C.G. "PPCPs as Environmental Contaminants: an Overview of the Science," invited presentation for Gulf Coast Society of Toxicology Conference "Emerging Environmental Contaminants," Baylor University, Waco, Texas, 27-28 October 2006.

Daughton, C.G. "Pharmaceuticals and Personal Care Products in the Environment: Overview of Significance in Water Recycling," invited presentation for "PPCPs and Water Reuse/Recycling," organized by the LA chapter of the Physicians for Social Responsibility (www.psrla.org); 28 September 2006, Metropolitan Water District, Los Angeles, CA.

Daughton, C.G. "Pharmaceuticals in the Environment: Overview of Sources, Concerns, and Solutions," invited keynote presentation for Pharmaceuticals in the Environment, webinar series organized by the EPA National Regional Science Council's PPCPs (Pharmaceuticals and Personal Care Products) Cross-Regional Team, 26 September 2006.

Daughton, C.G. "PPCPs: Overview of Sources, Environmental Impacts, and Solutions," invited opening talk for plenary session on Emerging Contaminants, Annual Conference of the National Estuary Program, 20 September 2006, San Francisco, CA [National Estuary Program: http://www.epa.gov/owow/estuaries/]

Daughton, C.G. "PPCPs: Overview of Sources, Environmental Impacts, and Solutions," invited presentation for: Pacific Southwest Organics Residual Symposium, sponsored by the U.S. EPA and WEF, Sacramento, CA, 14 July 2006.

Daughton, C.G. "Pharmaceuticals and Personal Care Products in the Environment: Overview of Significance, Concerns, and Solutions," invited presentation for: "Challenge Transdisciplinary Environmental Research," sponsored by MOMUS (Modelling Nature-Society Systems: http://www.momus-network.de/englishf.htm) [J.W. Goethe-University Frankfurt/Main and the Institute for Social-Ecological Research, ISOE: http://www.isoe.de/english/index.htm], Frankfurt, Germany, 20 June 2006.

Daughton, C.G. "Pharmaceuticals in the Environment: a Perspective from the U.S.," invited presentation for: CleanMed Europe: The International Healthcare Congress on Sustainable Products and Practices, Stockholm, Sweden, 29-31 May 2006; session on "Pharmaceuticals and the Environment," http://www.cleanmed.org/europe/2006/docs/list of speakers.pdf (PDF) [7 pp, 39KB]

Daughton, C.G. "Pharmaceuticals as Environmental Contaminants: An Overview of the Science," invited presentation for: End User Drug Disposal Conference, organized by the Drug Enforcement Administration, Seattle Field Division, Portland District Office, Portland, OR, 25-26 April 2006.

Daughton, C.G. "Pharmaceuticals & Personal Care Products as Environmental Pollutants from Everyday Activities," invited presentation for: Environmental & Water Resources Engineering Seminar Series: 'Emerging Contaminants', Department of Civil & Environmental Engineering, University of California, Davis, 10 April 2006.

Daughton, C.G. "Pharmaceuticals and Personal Care Products (PPCPs) as Environmental Pollutants: Pollution from Consumption and Use," invited presentation for Renewable Natural Resources Foundation Congress on Assessing and Mitigating Environmental Impacts of Emerging Contaminants, Washington, DC, 1-2 December 2005; http://www.rnrf.org/2005cong/.

Daughton, C.G. "Introduction to Pharmaceuticals and Personal Care Products (PPCPs)," invited presentation at Non-Regulated Pollutants Workshop: Brominated Flame Retardants (BFRs) and Pharmaceuticals & Personal Care Products (PPCPs), U.S. EPA Region 2 Pollutants of Emerging Concern Panel Series, New York, NY, 26 October 2005.

Daughton, C.G. "Overview of Science Involved with Pharmaceuticals," keynote address, U.S. EPA Workshop: Pharmaceuticals in the Environment, Office of Research and Development, National Exposure Research Laboratory, Las Vegas, NV, 23-25 August 2005.

Daughton, C.G. "PPCPs, Water Reuse, and the Perception of Risk," invited presentation, 124th Annual Conference and Exposition (ACE: "The World’s Water Event"), American Water Works Association (AWWA), 15 June 2005, Moscone Center, San Francisco, California.

Daughton, C.G. "Origins and Ramifications of Pharmaceuticals & Personal Care Products as Environmental Contaminants," NEWMOA workshop for environmental and public health officials in Massachusetts, Northeast Waste Management Officials' Association (NEWMOA), 14 June 2005, Boston, MA.

Daughton, C.G. "Origins and Ramifications of Pharmaceuticals & Personal Care Products as Environmental Contaminants," invited presentation (remote) for EPA's OPPT Emerging Chemicals Workgroup, Washington, DC, 20 April 2005.

Daughton, C.G. "Origins and Ramifications of Pharmaceuticals & Personal Care Products as Environmental Contaminants," invited presentation for 11th Annual Pacific Northwest Pretreatment Conference, Water Resources Education Center, Vancouver, Washington, 8 September 2004.

Daughton, C.G. "Pharmaceuticals in the Environment: Overview of Significance, Concerns, and Solutions," invited keynote at First Integral Virtual Symposium sponsored by the American Chemical Society [ACS] Division of Environmental Chemistry and the U.S. EPA, at the ACS 228th National Meeting in Philadelphia, PA, 25-26 August 2004.

Daughton, C.G.; T.L. Jones-Lepp; L.H. Keith; M.J.M. Wells (co-organizers and chairs) "Environmental Chemistry of Pharmaceuticals and Personal Care Products (PPCPs)," (First Integral Virtual Symposium sponsored by the American Chemical Society [ACS] Division of Environmental Chemistry and the U.S. EPA), at the ACS 228th National Meeting in Philadelphia, PA, 25-26 August 2004.

Daughton, C.G. "Origins and Ramifications of Pharmaceuticals & Personal Care Products as Environmental Contaminants," invited presentation for 11th Annual Pacific Northwest Pretreatment Conference, Water Resources Education Center, Vancouver, Washington, 8 September 2004.

Daughton, C.G. "Pharmaceuticals & Personal Care Products as Environmental Contaminants," invited presentation for Office of Science and Technology Policy (OSTP), National Science and Technology Council's subcommittee Emerging Environmental Health Threats, Washington, DC, 28 June 2004.

Daughton C.G. "Origins and Ramifications of Pharmaceuticals & Personal Care Products in the Environment," invited presentation for the WateReuse Foundation’s 2004 Annual Water Reuse Research Conference "Shaping the Future of Water Reuse Through Research," 17 May 2004, Las Vegas, Nevada.

Daughton C.G. "Pharmaceuticals and Personal Care Products (PPCPs) as Environmental Pollutants: Pollution from Personal Actions," invited presentation for the EPA's ORD Science Council Meeting, Environmental Sciences Division, National Exposure Research Laboratory, Las Vegas, Nevada, 14 April 2004.

Daughton C.G. "Pharmaceuticals as Ubiquitous Pollutants: Significance, Concerns, Solutions," invited presentation for California-Nevada Section of American Water Works Association, Spring Conference, Water Quality Division, University Forum, Las Vegas, NV, 16 April 2004.

Daughton C.G. "Pharmaceuticals and Personal Care Products (PPCPs) as Environmental Pollutants: Pollution from Personal Actions," invited presentation for the U.S. EPA Regional Science Liaison/Hazardous Substances Technical Liaison Meeting, 26 February 2004, NERL-Las Vegas.

Daughton C.G. "Ubiquitous Pollution from Health and Cosmetic Care: Significance, Concern, Solutions, Stewardship," invited presentation for California Bay-Delta Authority Science Program Workshop (http://science.calwater.ca.gov/;

http://www.science.calwater.ca.gov/pdf/ContaminantStressorsSuppMat.pdf [2 pp, 35KB]),

"Contaminant Stressors in the Bay-Delta Watershed," 4 February 2004.

Daughton C.G. "Environmental Stewardship of Pharmaceuticals: The Green Pharmacy," invited presentation for Sixth National Environmental Public Health Conference, Centers for Disease Control, Session “Chemicals in commonly used products,” Atlanta, GA, 3-5 December 2003 (http://www.cdc.gov/nceh/conference).

Daughton, C.G. "Pharmaceuticals as Ubiquitous Pollutants: Significance, Concern, Solutions, Stewardship," invited speaker, eHormone 2003, Fifth International Symposium, sponsored by Center for Bioenvironmental Research, Tulane & Xavier universities, New Orleans. October 16-18. http://e.hormone.tulane.edu.

Daughton, C.G. "Pharmaceuticals and Personal Care Products in the Environment: Introduction and Overview," invited presentation to U.S. EPA Emerging Pollutants Workshop, U.S. EPA Region 5 Office, Chicago, IL, 11-14 August 2003.

Daughton, C.G. "PPCPs as Ubiquitous Pollutants from Health and Cosmetic Care: Significance, Concern, Solutions, Stewardship," invited presentation for U.S. EPA OPPTS-ORD Seminar Series, Washington, DC, 16 July 2003 (two separate seminars).

Daughton, C.G. "Pharmaceuticals and Person Personal Care Products (PPCPs) as Environmental Pollutants (PDF)," [1 pg, 1.6MB] invited poster presentation for U.S. EPA Science Forum, 5-6 May 2003, Washington, DC.

Daughton, C.G. "Environmental Stewardship of Pharmaceuticals: The Green Pharmacy (PDF)," [57 pp, 2.3MB] presentation at the National Ground Water Association (NGWA), 3rd International Conference on Pharmaceuticals and Endocrine Disrupting Chemicals in Water, Minneapolis, MN; 19-21 March 2003.

Daughton, C.G. "Antimicrobials in the Environment: Less-Recognized Issues and Needs (PDF)," [52 pp, 1.9MB] panelist presentation for National Academy of Sciences, Institute of Medicine (IOM) Roundtable on Environmental Health Sciences, Research, and Medicine — Roundtable #9: Human Health Effects of Using Antimicrobial Agents in Agriculture, 9 December 2002, Washington, DC.

Daughton, C.G. "Preventing Social Chaos Caused by Surreptitious (or Overt Threat of) Water Sabotage: Universal Early-Warning Non-Target Monitoring for All Chemical Agents, Including Delayed-Onset Toxicants," US. EPA/ORD Water Security Partners' Meeting, 20-21 November 2002, Cincinnati, OH.

Daughton, C.G. "Pharmaceuticals and Personal Care Products in the Environment: Ubiety, Ubiquity, Significance, Solutions, and Stewardship," invited presentation for Oregon State University's Fall Water Resources Seminar Series, Corvallis, OR (presentation via video link from NERL-Las Vegas), 30 October 2002.

Daughton, C.G. "Environmental Aspects of Pharmaceuticals and Personal Care Products (PPCPs)," invited presentation for Environmental Science and Health Graduate Program, University of Nevada, Reno, NV, 16 October 2002.

Daughton, C.G. "Environmental Aspects of Pharmaceuticals and Personal Care Products (PPCPs)," invited presentation for 2002 CA-NV-AWWA Annual Fall Conference, Reno, NV, 14-17 October 2002. [http://ca-nv-awwa.org/CA-NV/ ]

Daughton, C.G. Invited panelist for session on "Pharm Pollution" at the Society of Environmental Journalists (SEJ) Twelfth Annual Conference, Baltimore, Maryland, 9-13 October 2002. [http://www.sej.org/confer/index1.htm ]

Daughton, C.G. "Personal-Practices Pollutants: Ubiety, Ubiquity, Significance, Solutions, Stewardship," keynote presentation for RTC-SRA/SETAC Fall Workshop: Emerging Contaminants in the Aquatic Environment: Risk and Regulatory Perspectives, NC State University, Raleigh, North Carolina, 3-4 October 2002. [http://www.rtc-sra.org ]

Daughton, C.G. "Ubiquitous Pollutants from Cumulative Personal Practices - Stewardship of the Water Cycle," invited presentation for Groundwater Resources Association (GRA) 11th Annual Meeting & Conference, Newport Beach, CA, 18-19 September 2002. [http://gsa.confex.com/gsa/2001AM/finalprogram/abstract_21224.htm ]

Daughton, C.G. "Pharmaceutical and Personal Care Products as Ubiquitous Pollutants from Personal Use and Activities," invited presentation for Society of Environmental Toxicology and Chemistry, Southern California Regional Chapter (http://www.socalsetac.org/ ), University of California, Riverside, CA, 13 July 2002.

Daughton, C.G. "Pharmaceutical and Personal Care Products as Ubiquitous Pollutants from Personal Use and Activities," invited presentation for U.S. EPA Region 9 Partners in Science Conference, San Francisco, CA, 22 May 2002.

Daughton, C.G. "Pharmaceutical and Personal Care Products as Ubiquitous Pollutants from Personal Use and Activities," poster presentation for the EPA Science Forum 2002: Meeting the Challenges, 1-2 May 2002, Washington, DC; poster #27, Safe Water session, 2 May.

Daughton, C.G. "Pharmaceutical and Personal Care Products as Environmental Pollutants," invited lecture for the University of Connecticut Spring 2002 Colloquium Series Emerging Environmental Concerns (Environmental Engineering Program), Storrs, CT, 25 March 2002.

Daughton, C.G. "Pharmaceutical and Personal Care Products as Environmental Pollutants," invited talk for a meeting of the U.S. Fish and Wildlife Service (Regional Environmental Contaminants Conference), Henderson, NV, 14 March 2002.

Daughton, C.G. "Pharmaceutical and Personal Care Products as Environmental Pollutants," invited talk for a meeting of the US Geological Survey (Nevada District), Las Vegas, NV, 26 February 2002.

Daughton, C.G. "Pharmaceuticals and Personal Care Products in the Environment: An Overview (Pollution from Personal Actions, Activities, and Behaviors)," invited talk for the Association of Engineering Geologists (AEG: Southwest Section), Las Vegas, NV, 12 February 2002.

Daughton, C.G. "Pharmaceuticals and Personal Care Products in Wastewater," invited talk for the Las Vegas Chapter of the Air & Waste Management Association, Las Vegas, NV, 9 January 2002.

Daughton, C.G. "Pharmaceuticals and Personal Care Products (PPCPs) as Environmental Pollutants: Overview and Research Needs," keynote presentation for USGS Eastern Region Workshop on Emerging Issues in Water Quality, Orlando, Florida, 28 November 2001.

Daughton, C.G. "Pharmaceuticals and Personal Care Products in the Environment: An Overview (Pollution from Personal Actions, Activities, and Behaviors)," invited keynote presentation for International Society of Exposure Analysis (ISEA) 2001 Conference — "Exposure Analysis: An Integral Part of Disease Prevention," 4-8 November 2001, Charleston, South Carolina.

Daughton, C.G. "Pharmaceuticals and Personal Care Products in the Environment: Pollution from Personal Actions, Activities, and Behaviors," invited talk prepared for The Geological Society of America Annual Meeting (Pardee Keynote Symposium: "The Emerging Discipline of Medical Geology") 5-8 November 2001, Boston, Massachusetts (http://gsa.confex.com/gsa/2001AM/key/index.html).

Daughton, C.G. (note authorship change) "Pharmaceuticals and Personal Care Products in the Environment: An Overview - Pollution from Personal Actions, Activities, and Behaviors," invited paper presented at Earth System Processes - Global Meeting, 24-28 June 2001, Edinburgh, Scotland, Geologic Society of America, Session No. T16: "Integrated Approaches to Water Quality Issues" [abstract available at: http://gsa.confex.com/gsa/2001ESP/finalprogram/session_197.htm]

Daughton, C.G. "'Emerging' Pollutants, Mass Spectrometry, and Communicating Science: Pharmaceuticals in the Environment," keynote presentation at the 49th ASMS Conference on Mass Spectrometry and Allied Topics, American Society for Mass Spectrometry, Chicago, Illinois, 27-31 May 2001.

Daughton, C.G. "Pollution from Personal Actions, Activities, and Behaviors: Pharmaceuticals and Personal Care Products in the Environment," Pharmaceuticals in the Environment." [organized and chaired by Dr. Thomas Ternes] The 10th Symposium on Handling of Environmental and Biological Samples in Chromatography, 1-4 April 2001, Mainz/Wiesbaden, Germany.

Daughton, C.G. "Pollution from Personal Actions, Activities, and Behaviors: Pharmaceuticals and Personal Care Products in the Environment (Multidimensional Science Issues Relevant to Regulatory Considerations)," Environment 2001: Water, Energy and the Law, session on "Pharmaceutical Discharges and Drinking Water," organized by The Tulane Institute for Environmental Law and Policy, 9 March 2001, New Orleans, Louisiana.

Daughton, C.G. "PPCPs in the Environment: Overview," University of Maryland, Chem 729 Pharmaceuticals in the Environment (full-semester Environmental Science course) [organized by Prof. Philip Kearney; co-organized by C.G. Daughton], 5 February 2001.

Daughton, C.G. "Communication of Our Science: Perspectives on Interacting with Journalists and the Public," U.S. EPA National Exposure Research Laboratory Annual Planning Meeting, Las Vegas, NV; 1 February 2001.

Daughton, C.G. "Pollution from Personal Actions, Activities, and Behaviors: Pharmaceuticals and Personal Care Products in the Environment," American College of Toxicology (ACT), overview for "Drugs in the Environment" at the ACT's 21st Annual Meeting (San Diego), 14 November 2000.

Daughton, C.G. "Pharmaceuticals in the Environment — An Overview," presented at the "Emerging Issues Conference," sponsored by the National Ground Water Association, USGS Toxic Substances Hydrology Program, US EPA National Risk Management Laboratory, and Wessex Institute of Technology, UK; Minneapolis, MN, 7-8 June 2000.

Daughton, C.G. "Pharmaceuticals in the Environment — Overarching Issues and Concerns," paper #29, presented at the 219th National Meeting of the American Chemical Society, session on Pharmaceuticals in the Environment, San Francisco, CA, 27 March 2000 (published in "Issues in the Analysis of Environmental Endocrine Disruptors," Preprints of Extended Abstracts, Vol 40(1), pp. 96-98, 2000).

Daughton, C.G.; Ternes, T. (organizers/chairs) Special Symposium on "Pharmaceuticals in the Environment," held at the 219th National Meeting of the American Chemical Society, San Francisco, CA, 27 March 2000 (published in "Issues in the Analysis of Environmental Endocrine Disruptors," Preprints of Extended Abstracts, Vol 40(1).

Patents

Daughton, C.G. "Industrial Wastewater Upgrading and Groundwater Remediation by Solid-Phase Extraction," Lawrence Berkeley Laboratory Patent Disclosure, 4 March 1989.

Daughton, C.G. "Purifying Contaminated Water," U.S. Patent No. 4,387,025; 7 June 1983.

Daughton, C.G. "High Pressure Liquid Chromatographic Gradient Mixer," U.S. Patent No. 4,506,987; 26 March 1985.

Doctoral Theses Supervised

Ruhoy, Ilene. "Examining Unused Pharmaceuticals in the Environment," Ph.D. Dissertation, University of Nevada, Las Vegas, Dept. Environmental Studies; 2008.

Blatchley, Ernest Rowland III. "Atmospheric Chemistry of Expected Nitrogen Heterocycle Emissions from Oil Shale Operations," Ph.D. Dissertation, University of California Berkeley, Dept. of Civil Engineering; 1988.

Sakaji, Richard Haru. "Removal of Ammonia from Oil Shale Process Waters Using a Tubular Microporous Polytetrafluoroethene Membrane," Ph.D. Dissertation, University of California Berkeley, Dept. of Civil Engineering; 1988.

Persoff, P. "Diffusivity of Nitrogen Heterocycles" (thesis research advisor: 1983-1986).

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Christian Gaaei Daughton, Ph.D.

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