242 

 CHARLES S. YENTSCH 

 wife. The first question is were valid methods used. 



If you want to, I will be glad to see if 

 we can get a biologist here. 



Do we have one who has handled this aspect 

 of the program? 



MR. POSTON: If you wish, we could call Dr. 

 Harold Berkson. 



CHAIRMAN STEIN: Are you the appropriate 

 man. Dr. Berkson? 



DR. BERKSON: I am afraid so. (Laughter) 



CHAIRMAN STEIN: Come on up. 



Here, don't leave, Mr. Yentsch. Why don't 

 you stand up there with him and get this settled? 



Let's proceed on the assumption that we 

 haven't come to the conclusion yet that up-to-date methods 

 weren't used just because we say so. 



Dr. Berkson, 



DR. BERKSON: Don't write down everything 

 I say too fast because I am not too sure what I am going 

 to say until right now. 



My name is Harold Berkson and my current 

 capacity is Executive Secretary of the National Technical 

 Advisory Committee on water quality requirements for fish 

 and other aquatic life and wildlife. This is the committee 



