This new publication is a little overwelming for a landowner, but is full of useful information about cleaning equipment to reduce the spread of invasive flora and fauna.
DiVittorio, J., M. Grodowitz, and J. Snow, 2012. Inspection and Cleaning Manual for Equipment and Vehicles to Prevent the Spread of Invasive Species. U.S. Department of the Interior, Bureau of Reclamation, Technical Memorandum No. 86-68220-07-05.
This manual provides uniform guidelines for inspection and thorough cleaning of vehicles and equipment that come in contact with pest and invasive species during Reclamation work. The information in this manual will help personnel to understand how pest and invasive plants and animals are spread and will provide instructions and recommendations to reduce their spread. The general types of equipment described in this manual are: rubber-tired land vehicles, tracked land vehicles, personal use equipment, construction and facility equipment, and watercraft. In addition to inspection and cleaning procedures, a section with descriptions of species of concern is included.