FIELD U 

 Columns 65 and 66 



MISCELLANEOUS TIME VALUES 



A. Duration of response 



(time after response begins ) 

 1. Duration of response 

 , 2. Duration of delay of death 



(alteration of survival time) 



B. Duration of the period 



preceding response 



3. Time to response: 



3a. Time to any response other than 



death 

 3b. Time to death (killing time) 



C. Duration of a compound's 



ability to produce response 



4. Persistence of the activity of a 



residue of the test compound 



Place the Symbol * in Column 66 when the data deal with persistence of activity of a residue of the 

 test compound. 



Scale 1 



Scale 2 



Scale 3 



Scale 4 



Scale 5 



Scale 6 



173 



