76 



e. Appropriate regulatory officials shall inonitor all aspects of log unloading, 



handling, and processing to ensure compliance with the protocol. 



4. Demonstration of protocol efficacy: 



Appropriate regulatory officials shall demonstrate the efficacy of the protocol with the 

 following sampling design: 



a. One set of 100 logs with bark intact, 32 feet or greater in length, shall be 

 randomly selected from the logs proposed for test sliipment. 



b. The sampling of tfus set of 100 logs shall occur at the following times: 



(1) Before treatment at the port of origin 



(2) After prophylactic treatment at the port of origin 



(3) After discharge at the port of entry 



(4) After processing at the port of entry 



c. The same 100 logs will be followed (resampled) throughout all sampling 

 procedures. The following Sc-imples shall be taken from each of the 100 logs at 

 those times: 



• A total of ten slabs — 6 in x 6 in (15.2 cm x 15.2 cm), 180° apart on the 

 log, at five locations spaced equidistant along the entire length of the 

 log, 



• A total of fifteen drill shavings — one each from fifteen 2-inch (5.08<m) 

 diameter holes drilled 120° apart at five locations equidistant along the 



B7 



