TABLE h 



MDJIITOI L^^ACHINQ Pi^IOD REQUIRED TO CAUS^ LIGHT BORER ATTACK IN 

 CRSGSOl'E PANELS WHEN SUBSEQUENTLY EKPOSED''TO 3~MQNTH FIELD I'ESTS 



Creosote treatment in 

 lbs. /cubic foot 



Leaching period. Days 



TABLE $ 

 liARINE BORER ATTACK Or! DO / CHSLIECAL PANELS EXPOSED 



J - 6 



