Drinking Water Supplies. 249 
B. ENTERIDITIS SPOROGENKS IN 100 Cc. STREPTOCOCCUS FAECALIS IN 5 CC, 
= Total _ | | Total 
sent. sent. } ae sears $ ; bsent. |N 4a 
Present Absent. Not Done. Specim’ns. Present. | Absent. Not Done \Specim’ns. 
SS il i eee | a = 
RESULTS OF CHEMICAL ANALYSES. 
RE-ACTION. 
Faintly Acid. Neutral. Alkaline. 
3 19 1 
>} 
Ss 
p 
lal 
FREE AMMONIA IN PARTS PER 100,000. 
| | 
01 to .05 06 to .10 | ll to .15 -16 to .20 Over .20 Total. 
ALBUMINOID AMMONIA IN PARTS PER 100,000. 
] | | | 
01 to .05 | .06to.10 | .llto.15 | .16to.20 | Over .20 Total. 
| 
ee = 1} | weet ese s 
5 9 6 | 4 5 29 
| 
CHLORIDES 
EXPRESSED AS CHLORIDE PARTS PER 100,000, 
0.8 and Sane 0.8 to 0.89 | 0.9 to 1.0 1.1 to 2.0 2.1 and over Total. 
a 
4 | 0 4 12 8 | 2 
PHOSPHATES. 
EXPRESSED AS PARTS PHOSPHGROUS PENTOXIDE PRESENT IN 100,000. 
fe 3 bel Te SA, WN 
- | | aes = 
0.10 to 0.19 | 0,20 to 0.29 | 0.30 to 0.39 | 0.40 to 0.49 | 0.50 to 0.70 | 
| | 
1.Qandover, Total. 
| 
———-—— | —_ 
7 7 | 4 4 4 3 29 
| | | 
ee 
