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CONTENTS 



Page 



ACKNOWLEDGMENTS 2 



SUMMARY 3 



BACKGROUND 4 



PROCEDURE 5 



RESULTS 8 



1964 tests 8 



1965 tests 8 



1966 tests , 8 



CONCLUSIONS 10 



ACKNOWLEDGMENTS 



The Italian Swiss Colony Winery (Allied Grape Growers) and Guild Winery 

 Company allowed the use of their wine cellars for the experiments. 



The Shell Chemical Company supplied all of the insecticide used, conducted 

 residue tests, and did some of the vapor analyses. The residue tests were made at 

 Princeton, N. J., and the vapor analyses at Salida, Calif. 



The Morse Laboratories of Sacramento, Calif. , conducted most of the vapor 

 analyses. 



The Department of Food Science and Technology of Oregon State University 

 conducted taste panel tests on the wine samples. 



A. D Davison, Sanitarian of the Wine Institute, assisted in getting the co- 

 operation of the wineries . 



This publication reports research involving pesticides. It 

 does not contain recommendations for their use, nor does it imply 

 that the uses discussed here have been registered. All uses of 

 pesticides must be registered by appropriate State and Federal 

 agencies before they can be recommended. 



CAUTION; Pesticides can be injurious to humans, domestic 

 animals, desirable plants, and fish or other wildlife — if they are not 

 handled or applied properly. Use all pesticides selectively and 

 careftiUy. Follow recommended practices for the disposal of 

 surplus pesticides and pesticide containers. 



