TABLE A- II I 



Mass-Size and Activity-Size Distribution of Sand at VArious 

 Stages of Study No. 2 (Percent by weight or activity) 



Sample Stage 1+20-833 295-^20 210-295 11+9-210 88-11+9 <88 

 H H H y H H_ 



Original 1 16.1+8 30.86 38.18 12.35 1.8l .01+ 



After HC1 leach 



(2.98$ weight loss) 16.1+8 31.1+9 39-21+ 10.81+ 1.75 2 .21 2 



Coated and fired 



(1.87S? weight loss) 16.28 33.67 37-37 10.68 I.85 .lU 



Coated and fired 



(activity) 3 (15-15) (26. 90) (38.88) (13.73) (3.8o)(l.53) 



Abrasion residue 15.26 29-96 38. 8l 13.08 2.1+7 .1+1 



TABLE A- IV 



Mass-Size and Activity-Size Distribution of Sand at Various 

 Stages of Study No. 1+ (Percent by weight or activity) 



Sample Stage 1+20-833 295- 1 +20 210-295 11+9-210 88-11+9 <88 

 u y H U L! y 



Original 1 19-31 33-22 36.27 9.8l 1.36 .02 



Coated and fired 



(1.96$ weight loss) 19-71 3I+.0I+ 35-^6 9-37 1.30 2 .12 2 



Abrasion residue 22.81 33.62 33.1+6 8.82 ..93 .36 



Abrasion residue 



(activity) 3 (19.18) (21.1+1+) (39-12) (15-52) (3.07)(l-70) 



1. Surf No. 2, MLLW sample. Compare Tables A-III and A-IV. See 

 s'.eving experiment in text for explanation. 



2. Percent of depleted sample. 



3. Numbers in parentheses refer to activity-size distributions. 



All others refer to mass-size distributions. 



A-IO 



