Golden Nematode Program Manual - Phytosanitary Resources
Golden Nematode Program Manual - Phytosanitary Resources
Golden Nematode Program Manual - Phytosanitary Resources
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Procedures: Preparation, Disinfection, and Clean-up<br />
Sanitation<br />
Photo by Dan Kepich<br />
FIGURE 2-2-8 Pressure Washing Equipment and Supplies<br />
Steam Heat Treatment<br />
Steam at a temperature of 212° F will destroy, in a short period of<br />
exposure, most pathogenic microorganisms of the common vegetative<br />
forms or the spore types when in the growing or vegetative state.<br />
The steam jet method can be used for sterilizing equipment, since this<br />
method takes advantage of the considerable latent heat liberated when<br />
steam condenses into water.<br />
If the necessary degree of heat is generated in all parts of the material,<br />
then the steam jet method is effective for quarantine purposes. Live<br />
steam from a jet or nozzle is forced into or through a more or less loose<br />
and open mass of material in such amount and for such period<br />
required to raise the temperature of all parts of the mass to<br />
approximately 212°F.<br />
See the PPQ Treatment <strong>Manual</strong> for more information about steam heat<br />
treatment at http://www.aphis.usda.gov/import_export/plants/<br />
manuals/ports/treatment.shtml.<br />
2-2-22 <strong>Golden</strong> <strong>Nematode</strong> <strong>Program</strong> <strong>Manual</strong> 07/2008-01<br />
PPQ