COLLECT, 



LABEL, AND 



MAIL SAMPLES 



RECEIVE 



AND 

 IDENTIFY 



I 



CONSECUTIVE 

 NUMBER 



DRY AND 

 SPLIT TO 

 100 GRAMS 



DISCARD 



UNIDENTIFIED 

 SAMPLES 



ALL 469 



SAMPLES 



DESALT 3-6 



GRAM SPLIT 



AND RUN ON 



RSA 



I 

 3-6 GRAM ] 50-GRAM SPLIT 

 SPLIT OF ALL lOF 30 SELECT- 

 469 samples! ED SAMPLES 



I 



30 SELECTED 



SAMPLES 



DRY SIEVE 

 (15 MINUTES 

 ON ROTAP) 



COMPUTER- 

 CALCULATED 

 SIZE DISTRIBU- 

 TION (SEDANL) 



30 SELECTED 



SAMPLES 



COMPARE RSA 

 AND SIEVE 



TO GET 

 EQUATION (2) 



ALL 469 



►- 



SAMPLES 



I 



I 



PLOT CUMULA- 

 TIVE CURVE, 

 CALCULATE 



MEAN GRAPHI- 

 CALLY 



CORRECT 

 RSA BY 



EQUATION (2) 



I 



SIZE ANALYSIS 



OF NEW JERSEY 



SAND 



SAMPLES 



Figure 8. Procedure for analysis of sample set A. 



