PEER-REVIEWED PAPERS

- C. G. Ong and J. O. Leckie. 1998. "Surface and Solution Speciation of Ag(I)

in a Heterogeneous Ferrihydrite-Solution System with Thiosulfate", in

Adsorption of Metals by Geomedia, E. A. Jenne, ed., Academic Press,

Chapter 14, p. 317-331.

- V. G. Zartarian, A. C. Ferguson, C. G. Ong and J. O. Leckie. 1997.

"Quantifying Videotaped Activity Patterns: Video Translation Software and

Training Methodologies", J. Expos. Anal. Environ. Epidemiol., 7, p. 535-542.

- C. G. Ong, R. A. Dahlgren, M. J. Herbel and K. K.Tanji. 1997. "Trace

Element (Se, As, Mo, B) Contamination of Evaporites in Hypersaline

Agricultural Evaporation Ponds", Enviro. Sci. Technol., 31, p. 831-836.

- C. G. Ong and J. O. Leckie. 1996. "Anion-Exchange Preparation of a 232U

Radiotracer for a-Particle Liquid Scintillation Counting", Talanta, 43, p. 601-

605.

- C. G. Ong and J. O. Leckie. 1996. Comment on "Nonreversible Adsorption

of Divalent Ions (MnII, CoII, NiII, CuII, and PbII) onto Goethite: Effects of

Acidification, FeII Addition, and Picolinic Acid Addition", Environ. Sci.

Technol., 30, p. 1411.

- C. G. Ong, A. Prasad and J. O. Leckie. 1995. "Effect of pH, NaCl and

Cocktail Selection on 232U Liquid Scintillation Spectra", Anal. Chem., 67, p.

3893-3896.

- C. G. Ong, K. K. Tanji, R. A. Dahlgren, G. R. Smith and A. F. Quek. 1995.

"Water Quality and Trace Element Evapoconcentration in Evaporation Ponds

for Agricultural Waste Water Disposal", J. Agric. Food Chem., 43, p. 1941-

1947.

- C. Ong and K. Tanji. 1993. "Evaporative Concentration of Trace Elements

in a Multicell Agricultural Evaporation Pond", J. Agric. Food Chem., 41, p.

1507-1510.

- C. G. Ong, R. A. Dahlgren and K. K. Tanji. 1992. "X-Ray Diffraction Pattern

Reduction and Computer-Rendered Line Peak Spectra for Mineral Analysis",

Computers & Geosciences, 18(5), p. 517-529.

- K. K. Tanji, C. G. H. Ong, R. A. Dahlgren and M. J. Herbel. 1992. "Salt

Deposits in Evaporation Ponds: An Environmental Hazard?", California

Agriculture, 46(6), p. 18-21.

- C. Ong. "CatTrack: A Pascal Program to Display Ternary Diagrams on a

Macintosh Computer" in Microcomputer Applications in Geology II, J. T.

Hanley and D. F. Merriam, eds., Pergamon Press, Oxford, 1990, p. 175 -

179.

PROFESSIONAL PRESENTATIONS

- C. Ong, "Handspring Treo 270 Introduction for VoiceStream Wireless",

Enterprise training for VoiceStream Wireless, Albuquerque, NM, 2002.

- C. Ong. "Handspring Treo Introduction for Cingular Wireless", Enterprise

training for Cingular Wireless Western Region Customer Service Center,

Atwater, CA, 2002.

- C. Ong. "Visor Edge Introduction", End-user training for Harvard Business

School Executive Education program participants, Cambridge, MA, 2001.

- C. Ong. "Handspring Visor Part 4: Troubleshooting, Infrastructure &

Support", Enterprise training for Stanford University Expert Partners

program, Stanford, CA, 2001.

- C. G. Ong and J. O. Leckie "Uranyl Adsorption in Multi-Mineralic Systems:

Devitrified Tuff and Granite", 211th ACS National Meeting, New Orleans, LA,

1996.

- J. O. Leckie, V. G. Zartarian and C. G. Ong "Quantifying Micro-Activities

from Videotapes", International Society for Environmental Epidemiology and

the International Society for Exposure Analysis Conference,

Noordwijkerhout, Netherlands, 1995

- C. G. Ong and J. O. Leckie, "Uranyl Ion Adsorption on Corrensite in

Concentrated NaCl Solutions", AGU 1993 Fall Meeting Abstract

Supplement, San Francisco, CA, 1993.

- C. G. Ong, K. K. Tanji, R. A. Dahlgren and M. J. Herbel, "Application of

Hydrogeochemical Models to Hypersaline Agricultural Evaporation Ponds",

Agronomy Abstracts of the 84th ASA-CSAA-SSSA Meeting, Minneapolis, MN,

1992.

- C. Ong, R. Dahlgren and K. Tanji, "X-Ray Diffraction Pattern Analysis

Routines Using Line Peak Spectra and Computer Graphics", Agronomy

Abstracts of the 83rd ASA-CSAA-SSSA Meeting, Denver, CO, 1991.

- K. Tanji, C. Ong and R. Dahlgren, "Mineral Solubility Relationships in

Agricultural Drainage Evaporation Ponds", Agronomy Abstracts of the 83rd

ASA-CSAA-SSSA Meeting, Denver, CO, 1991.

- R. Dahlgren, C. Ong and K. Tanji, "Partitioning of Se and B into Evaporite

Minerals in "Agricultural Drainage Evaporation Ponds in the San Joaquin

Valley", Agronomy Abstracts of the 83rd ASA-CSAA-SSSA Meeting, Denver,

CO, 1991.

- C. Ong, K. K. Tanji, A. Quek and G. R. Smith, "Trace Elements in

Evaporation Ponds", Agronomy Abstracts of the 81st Annual ASA-CSAA-SSSA

Meeting, Las Vegas, NV, 1989.

- C. Ong, G. R. Smith, K. K. Tanji and A. Quek, "Evaporite Deposition in

Evaporation Ponds", Agronomy Abstracts of the 80th Annual ASA-CSAA-

SSSA Meeting, Anaheim, CA, 1988.