pH - V 
‘{ms. « \ 
4 VS 
70: 
"i 3 
f\ v &-'- a yf 
PYka«4, 
3DZ,--^=- -a a. 
■nooo (l± 7.0 f p 
/Vr£> U ^' 
p u \s ifcp 
1 w 
Oi 
X\ i ? 
451 
jtsWzv- zVt-A-q, 
4 0 P SLO^ -OHS^'WX/' 
7Ml- w-w. fSM*A 
650 f f > TlE.a-4>i- 
(jK^jslA'V-'T^ 
oLj£ 
J, i 
L 
■11 // J 
*501kf L^> 
^*5 
vi> • >J2 - 
OH l M_v:.._^!Li >ta*»JrrW^ - 
S - r-^ VV|1 H 
i A-l- C -— 
~~f -4 /y- 3(,<£1 f 7. , (> ^ 
6 a 
■ vf 
V ^ *•■’* .J 
|^w ‘ >4- 
6^/O uu K 4 ^ 4 
'f MO^/^P^AlC/ - AS I 
[ MUDumSl^hl-a-^ 
v»f J /0 A- 
/ -5T0 P *// 
1 iD ^ * 
0^>, 
/• 
; / ■ 
