Steven P. Thomas, Ramanathan Sri Ranjan, G. R. Barrie Webster and Leonard P. Sarna. 1996. Vibration Enhanced Solid Phase Microextraction of Hydrocarbons in Water. Environ. Sci. Technol. Submitted for publication.
F. G. Meier, L. P. Sarna, W. R. Remphrey and G. R. B. Webster. 1996. Identification and Quantification of Mansonones from Ulmus americana L. by High Performance Liquid Chromatography (HPLC). Intern. J. Environ. Anal. Chem. In preparation.
Steven P. Thomas, Ramanathan Sri Ranjan, G. R. Barrie Webster and Leonard P. Sarna. 1995. Protocol for the Analysis of High Concentrations of BTEX in Water Using Automated Solid Phase Microextraction-GC-FID. Environ. Sci. Technol. 30: in press.
K. N. Graham, L. P. Sarna, G. R. B. Webster, J. D. Gaynor and H. Y. F. Ng. 1995. Solid Phase Microextraction (SPME) of the Herbicide Metolachlor in Runoff and Tile Drainage Water Samples. J. Chromatogr. A. 725:129-136.
J. D. Gaynor, G. R. B. Webster, L. P. Sarna, K. N. Graham, H. Y. F. Ng, et al. 1995. SPME-GC-MS and ELISA for the Determination of Metolachlor Residues in Agricultural Runoff and Tile Drainage Water. J. Agric. Food Chem. Submitted for publication.
L. P. Sarna, B. F. Rordorf and G. R. B. Webster. 1994. Vapour Pressure Determination for Selected Dibenzo-p-dioxins by Gas Saturation. In preparation.
Leonard P. Sarna, G. R. Barrie Webster, Marsha Friesen-Fischer and Ramanathan Sri Ranjan. 1994. Analysis of BTEX in Water by Commercially Available Solid Phase Microextraction and CLOT Column Capillary Gas Chromatography. J. Chromatogr. A 677:201-205 .
Felix S. Mwangala, Leonard P. Sarna, Terry D. Galloway and G. R. Barrie Webster. 1993. Distribution of Fenvalerate and Permethrin on Cattle Hair Following Variable Application Rates of Impregnated Ear Tags. Pesticide Science 39:179-184 .
G. R. Barrie Webster, Leonard P. Sarna, Dorothea F. Kenny, Wayne D. Buchannon and John B. Westmore. 1993. GC-MS Analysis of Bromoxynil Esters: Anomalous Results Explained. J. Agric. Food Chem. 41:1994-1997.
B. F. Rordorf, L. P. Sarna, G. R. B. Webster, S. H. Safe, L. M. Safe, D. Lenoir, K. H. Schwind and O. Hutzinger. 1990. Vapour Pressure Measurements on Halogenated Dibenzo-p-dioxins and Dibenzofurans. An Extended Data Set for a Correlation Method. Chemosphere 20:1603-1609.
G. R. B. Webster, D. H. Muldrew, N. J. Graham, L. P. Sarna and D. C. G. Muir. 1986. Dissolved Organic Matter Mediated Aquatic Transport of Chlorinated Dioxins. Chemosphere 15: 1379-1386.
B. F. Rordorf, L. P. Sarna and G. R. B. Webster. 1986. Vapor Pressure Determination for Several Polychlorodioxins by Two Gas Saturation Methods. Chemosphere 15 :2073-2076.
K. J. Friesen, L. P. Sarna and G. R. B. Webster. 1985. Aqueous Solubility of Polychlorinated Dibenzo-p-dioxins Determined by High Pressure Liquid Chromatography. Chemosphere 14: 1267-1274.
T. C. Kuchnicki, L. P. Sarna and G. R. B. Webster. 1985. Determination of Nitrate, Nitrite, and Phosphate at 214 nm by Reverse Phase HPLC. J. Liquid Chromatogr. 8: 1593-1609.
B. S. Joia, L. P. Sarna and G. R. B. Webster. 1985. Gas Chromatographic Determination of Cypermethrin and Fenvalerate Residues in Wheat and Milled Fractions. Intern. J. Environ. Anal. Chem. 20: 179-184.
G. R. B. Webster, K. J. Friesen, L. P. Sarna and D. C. G. Muir. 1985. Environmental Fate Modelling of Chlorodioxins: Determination of Physical Constants. Chemosphere 14: 609-622.
L. P. Sarna, P. E. Hodge and G. R. B. Webster. 1984. Octanol-Water Partition Coefficients of Chlorinated Dioxins and Dibenzofurans by Reversed-Phase HPLC using Several C-18 Columns. Chemosphere 13: 975-983.
G. R. B. Webster, L. P. Sarna and S. R. Macdonald. 1978. Nonbiological Degradation of the Herbicide Metribuzin in Manitoba Soils. Bull. Environ. Contam. Toxicol. 20 : 401-408.
L. P. Sarna, G. J. Howe, G. M. Findlay and G. R. B. Webster. 1976. Quantitative Gas Chromatographic Analysis of Dimethoate and Several Metabolites in Rape, Quail, and Grasshopper Tissues by Derivatization. J. Agric. Food Chem. 24 : 1046-1048.
G. R. B. Webster, S. R. Macdonald and L. P. Sarna. 1975. Gas-Liquid Chromatographic Determination of Sencor (Metribuzin) and its Major Metabolites and Photoproduct. J. Agric. Food Chem. 23: 74-76.
L. P. Sarna and G. R. B. Webster. 1974. Conductivity
Detector for Nitrogen Compounds: Maintenance Program Enabling
Gas-Liquid Chromatographic Analysis of Trace Residues in Crude
Soil Extracts. J. Assoc. Offic. Anal. Chem.
57: 1279-1281.
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