108 
TYPHOID FEVER IX DISTRICT OF COLUMBIA, 
Bacteriological and chemical examination of ice — Continued. 
No. 
of 
sam- 
ple. 
Dealer or manufacturer. 
Total solids. 
Chlorine. 
P ree am- 
monia. 
Albumi- 
noid am- 
monia. 
Total 
residue. 
Mineral 
matter. 
Volatile 
matter. 
1 
C. L. Balderson 
10 
None. 
10 
1.4 
0.442 
None. 
o 
-American Ice Co 
None. 
None. 
None. 
None. 
.014 
None. 
5 
do 
20 
12 
8 
.4 
.018 
0. 010 
8 
do 
12 
12 
None. 
. 5 
.134 
.074 
27 
American Ice Co. 
(Georgetown) 
12 
1 
11 
. 5 
.104 
.046 
3 
W. E. Young 
5 
5 
None. 
. i 
.115 
None. 
4 
John T. Smith 
8 
i 
1 
_ 
. 1 
.020 
.010 
6 
S. Nally 
21 
17 
4 
- 
.020 
.090 
7 
W. H. Sanford 
54 
30 
24 
4.7 
.538 
.042 
9 
M. M. Roper 
130 
102 
28 
.8 
.168 
.044 
10 
W. A. Sharswood 
32 
10 
22 
2.1 
.090 
.018 
11 
Chas. H. Purcell 
4 
4 
None. 
1.3 
.164 
. 054 
12 
W. Greenfield 
226 
80 
146 
55. 5 
.302 
.044 
13 
W. M. Weaver 
46 
40 
6 
None. 
.014 
.090 
14 
A. C. Minns 
38 
•20 
18 
2.3 
.0:38 
.016 
15 
n. H. Warner 
68 
52 
16 
.4 
.016 
.042 
16 
W. L. Bishop 
116 
80 
36 
3. 5 
.030 
.024 
17 
Chapin-Sacks 
18 
Hygienic Ice Co 
19 
do 
20 
Purity Ice Co 
21 
do 
. 
22 
Home Ice Co 
23 
do 
24 
Crystal Plate Co 
21 
9 
12 
. i 
.162 
.042 
25 
do 
12 
None. 
12 
Tr. 
.080 
.018 
26 
Georgetown Ice Co 
12 
1 
11 
.3 
.136 
.046 
28 
Home Ice Co 
13 
2 
11 
1.0 
.070 
. 056 
29 
do 
■ 
21 
i 
14 
.5 
.064 
.076 
30 
Hygienic Ice Co 
17 
9 
8 
1.0 
.080 
.040 
31 
do 
26 
12 
14 
1.9 
.066 
.016 
32 
Chapin-Sacks 
19 
12 
. 5 
.436 
.050 
33 
Purity Ice Co 
8 
None. 
8 
1.0 
.118 
.010 
34 
do 
13 
5 
8 
Tr. 
.158 
.020 
