I appreciate the help of the following individuals who provided cost data and information valuable in my analysis.

George L. Andrews, Amerio Contact Plate Freezers, Inc., Cliffside Park, N. J.

Walter H. Berg, Jr., A. F. Wentworth & Associates, Inc. Tampa, Fla

Howard Cheifetz, Pure Carbonic Co., Berkeley, Calif

Reese Lamb, Lamb-Weston, Inc., Portland Oreg.

M. R. Overbye, Lewis Refrigeration Co., Woodinville, Wash.

Gilbert P owners, Norbest Turkey Growers Assoc., South Pasadena, Calif

A. W. Ruff, St. Onge, Ruff and Associates, Inc., York, Pa.

Thomas Woodson, J. W. Greer Co., Wilmington, Mass.

Trade names and the names of commercial companies are used in this publication solely to provide specific information. Reference to a company or product name does not imply approval or recommendation ' of the product by the U.S. Department of Agriculture to the exclusion of others that may be suitable.