JUL 81 

 RUG 81 

 SEP 81 

 RNNUflL 81 



-I — I I I 1 1 1 1 1 — I — I I I I 1 1 



10° 10' 



PERCENT GREFITER THAN INDICATED 



OCT 81 



NOV 81 



DEC 81 



RNNUflL 81 



-rn 1 1 — I — I I I I I I 



10° 10' 



PERCENT GREATER THRN INDICRTED 



Figure B6. (Concluded) 



B24 



