er | 6.6| 0| 0 | 0| 0| 0| 0
December | 3.2| 0| 0 | 0| 0| 0| 0
-------------+----+----+----+----+----+----+-----
1909.
-------------+----+----+----+----+----+----+-----
January | 3.2| 3.2| 0 | 3.2| 0| 0| 0
February | 7.1| 3.6|3.6 | 0| 0| 3.4| 3.4
March |32.3|19.4|3.2 | 6.5| 0| 2.8| 1.4
April |36.6|10.0| 0 | 0| 0| 0| 0
May |12.9| 3.2| 0 | 0| 0| 0| 0
June |53.3|20.0| 0 | 0| 0| 1.4| 0
July |25.8|12.9| 0| 0| 0| 0| 0
August |22.6| 6.5| 3.2| 0| 0| 0| 0
September |13.3| 3.3| 0| 0| 0| 0| 0
October | 3.2| 0| 0| 0| 0| 0| 0
November | 0| 0| 0| 0| 0| 0| 0
December |29.0|22.6| 0| 9.7| 6.5| 7.3| 1.5
-------------+----+----+----+----+----+----+-----
1910.
-------------+----+----+----+----+----+----+-----
January |61.3|35.5|9.7 | 5.8| 3.2|15.9| 3.2
February |32.2| 7.1| 0 | 3.6| 0| 0| 0
March |12.9| 3.2| 0 | 0| 0| 0| 0
April |23.3|13.3| 0 | 0| 0| 0| 0
May |16.1|12.9| 0 | 0| 0| 0| 0
June |43.3| 6.7| 0 | 0| 0| 1.4| 0
-------------+----+----+----+----+----+----+-----
Fiscal years:
-------------+----+----+----+----+----+----+-----
1905-06 |4.3 |8.3 |.8 | .3| 1.8| 1.3| 0
1906-07 |2.5 |3.0 |.4 | .5| 2.1| 5.4| 1.0
1907-08 |2.2 |9.4 |.4 | .8| 0.3| 3.1| 0.9
1908-09 |6.7 |7.1 |.8 | .8| 0| 1.2| 0.4
1909-10 |3.6 |0.4 |.1 | .3| 0.8| 2.2| 0.4
=============+====+====+====+====+====+====+=====

[Footnote 1: Presumptive tests.]

~Table 6--Summary of Sanitary Chemicals Analyses of Weekly
Samples, July 1st, 1909, to June 30th, 1910.~
(Results in Parts per Million.)

Columns:
A - Turbidity[1]
B - Free
C - Albuminoid
D - Total
E - Nitrites
F - Nitrates
G - Hardness
H - Alkalinity
I - Chlorine

(_A_) ~Maximum.~
====================+=====+=================+===========+=====+=====+====
| | Ammonia. | Nitrogen | | |
| | | as: | | |
Reservoirs. | A +-----+-----+-----+-----------+ G | H | I