74 



b. Heat treat to bring the temperature of the center of the largest diameter log to 

 160 °F (71.1 °C) for a minimum period of 75 minutes. 



c. Innmediately after heat treatment, submerge logs in a solution of 3-iodo- 

 2-propynyl-butylcarbamate and didecyldimethyl ammonium chloride 

 (DDAC/IPBC) and chJorpyrifos, or DDAC/IPBC and borax, at label rates, for a 

 minimum of 30 seconds. Logs shaU be stored out of direct ground contact 

 after treatment. Logs shall be shipped within 30 days of treatment or shall be 

 retreated with the prophylactic chemicals at 30-day intervals until shipped. 



A USDA APHIS representative shall observe and review all treatments and log 

 loading activities to ensure that protocol measures are properly carried out 

 and, upon completion of these measures, shall so certify in writing. 



Shipping of treated logs: 



a. Shipping dates shall be scheduled to avoid vessel movements during the 

 period of high-risk Asian gypsy moth (AGM) activities. This activity period 

 occurs between July 1 and September 30. Vessels transporting logs in these 

 test shipments shall not have been in AGM high-risk ports during the AGM 

 egg-laying season cmd shall be apparently AGM free. APHIS shall identify 

 AGM high-risk ports. 



b. The vessels shall proceed with no intermediate stops directly to Humboldt 

 Bay, California. 



B5 



