81 

 MARVIN ALLUM 

 back to their fornaer levels as did sulfite waste liquor 

 concentrations . 



These studies have shown also that background 

 levels of sulfite waste liquor are essentially zero in the 

 absence of pulping wastes. 



The studies also demonstrated that the 

 most toxic components of the total mill wastes are those 

 associated with the chemical pulping process. 



Mr. Vlastelicia will continue the presen- 

 tation. 



CHAIRMAN STEIN: Just a moment. May we 

 have the lights, please? 



Before you go off--and that was a very 

 complete presentation, Mr. Allum. 



MR. ALLUM: Thank you. 



CHAIRMAN STEIN: I will have to ask that the 

 slides that are made available for the files be numbered 

 right on the slide, and you can use an FG number starting 

 with 1, on the frame, so when those slides are projected 

 on the screen the person examining them will be able to 

 see the number and relate it to the record. 



I think this might be a good breaking point 

 for a recess if we are going to take the morning for the 



Federal presentation, so we will stand recessed for ten 



