Table 10. — Results of analyses of the waters of shallow wells in the District of Columbia, northwest section — Continued, 
344 
TYPHOID FEVEK IH DISTRICT OF COLUMBIA. 
Oxy- 
gen 
con- 
sumed. 
2. 35 
.15 
1 
.40 
1.25 
1.35 
Per 
cent 
of sat- 
ura- 
tion. 
61. 27 
1 
56.74 
00 
06 
Tem- 
pera- 
ture. 
16. 0 
15.5 
16.0 
16.0 
Dis- 
solved 
oxy- 
gen. 
6.09 
4.84 
1 
5. 64 
00 
Ni- 
trates. 
18.0 
15.0 
18.5 
20.0 
24.0 
15.0 
17.0 
20.0 
12.5 
15.0 
0 
0 
Ni- 
trites. 
.0015 
Trace. 
Trace. 
.00 
.0015 
.0009 
0 
0 
Trace. 
0 
0 
Ammonia. 
Albu- 
mi- 
noid. 
.003 
.014 
0 
0 1-H 
0 0 
.007 
.02 
Free. 
0 
r-H 0 
0 0 
00 
0 Q 
0 0 
00 
0 
0 
0 
Chlo- 
rine. 
45.0 
43.8 
44.0 
46.0 
0 
0 lO 
ir* GO 
zo 0 
71.0 
47.0 
46.5 
45.0 
c 
a 
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o 
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U- 
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CO 
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CO 
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206 
79 
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