12 On the Rain and Drainage - Waters at Rotliamsted. 
Table XL. — Composition of Drainage- Waters from Broadbalk Field 
in parts per Million (Dr. Voelcker). 
Total 
Solid 
Lim3. 
Magneiia. 
Potash. 
Soda. 
Matter. 
Nitrogen as : 
Ammo- 
nia. 
Nitric 
Acid. 
Chlorine. S^^Plf^ 
Phos- 
phortc 
Acid. 
January 13, 1868. 
2 
412 
9 
136 
7 
5 
1 
5 
4 
13-7 
0-05 
12 
5 
21 
9 
94 
6 
3&4 
258 
7 
102 
0 
4 
6 
2 
4 
5-9 
0-15 
6 
7 
14 
6 
25 
0 
5 
405 
0 
151 
6 
6 
6 
10 
3 
14-9 
0-16 
9 
3 
16 
7 
110 
9 
6 
525 
0 
179 
6 
9 
1 
8 
6 
10-3 
0-02 
17 
0 
36 
6 
119 
6 
7 
636 
4 
235 
6 
7 
7 
1 
9 
15-1 
0-07 
28 
1 
28 
1 
131 
6 
8 
720 
7 
247 
3 
8 
0 
3 
9 
14-4 
0-07 
31 
0 
62 
6 
119 
3 
9 
355 
0 
108 
7 
3 
9 
1 
7 
42-0 
0-15 
12 
0 
18 
7 
56 
9 
10 
497 
9 
208 
9 
7 
7 
2 
0 
7-4 
0-08 
25 
3 
45 
9 
59 
3 
2-00 
11 
543 
6 
201 
6 
8 
0 
0 
9 
9-0 
0-07 
28 
8 
51 
1 
72 
6 
2-57 
12 
658 
6 
234 
7 
5 
9 
3 
7 
34-4 
0-05 
30 
1 
57 
4 
136 
3 
214 
13 
672 
1 
246 
0 
8 
3 
5 
9 
8-0 
0-11 
35 
0 
58 
4 
108 
4 
1-43 
14 
763 
0 
270 
3 
16 
1 
0 
7 
8-1 
0-06 
37 
7 
60 
6 
133 
4 
1-29 
15 
822 
1 
274 
3 
12 
7 
9 
3 
18-1 
0-21 
46 
5 
36 
6 
171 
6 
2-00 
16 
296 
6 
112 
3 
5 
9 
3 
7 
4-1 
0-09 
13 
5 
17 
7 
25 
4 
1-29 
April 21, 1868. 
3&4 
202 
1 
85 
1 
6 
7 
1 
0 
9-6 
trace 
0 
9 
8 
3 
11 
3 
0-57 
5 
269 
3 
95 
1 
6 
6 
2 
9 
111 
none 
1 
4 
9 
3 
37 
4 
1-46 
6 
325 
8 
86 
3 
7 
7 
3 
0 
10-7 
trace 
1 
9 
10 
4 
34 
7 
0-90 
7 
337 
9 
114 
4 
8 
0 
2 
6 
7-0 
0-08 
4 
5 
16 
6 
47 
6 
0-91 
8 
382 
9 
102 
3 
15 
1 
1 
9 
4-4 
6 
0 
19 
7 
58 
4 
017 
9 
683 
6 
153 
6 
9 
9 
6 
1 
93-9 
none 
58 
3 
14 
6 
23 
& 
10 
326 
5 
111 
1 
7 
4 
0 
9 
5-9 
0-09 
10 
1 
17 
7 
38 
7 
o'90 
11 
298 
6 
117 
1 
6 
6 
1 
4 
4-0 
7 
6 
17 
7 
38 
4 
0-73 
12 
384 
4 
138 
3 
7 
1 
2 
9 
16-9 
0-50 
1 
7 
7 
3 
39 
7 
0-36 
13 
396 
4 
100 
3 
15 
9 
1 
9 
4-3 
0-13 
5 
6 
20 
9 
52 
9 
0-73 
14 
423 
6 
157 
3 
10 
0 
1 
4 
5-3 
6 
7 
22 
9 
66 
7 
0-73 
15 
398 
6 
146 
0 
6 
7 
3 
1 
10-1 
7 
6 
12 
4 
81 
0 
1-07 
16 
266 
7 
102 
6 
5 
6 
4 
1 
8-6 
0'06 
5 
9 
14 
6 
26 
4 
0-54 
Mean of Five (or fewer) Collections. 
2 
476 
1 
147 
4 
4 
9 
5 
4 
13 
7 
0 
16 
16 
1 
20 
7 
106 
1 
3&4 
246 
4 
98 
1 
5 
1 
1 
7 
6 
0 
0 
12 
3 
9 
10 
7 
24 
7 
0 
63 
5 
326 
0 
124 
3 
6 
4 
5 
4 
11 
7 
0 
13 
5 
1 
11 
1 
66 
3 
0 
91 
6 
407 
6 
143 
9 
7 
9 
4 
4 
10 
7 
0 
20 
8 
5 
20 
7 
73 
3 
1 
54 
7 
492 
4 
181 
4 
8 
3 
2 
9 
10 
9 
0 
07 
14 
0 
26 
1 
90 
1 
0 
91 
8 
548 
4 
197 
3 
8 
9 
2 
7 
10 
6 
0 
27 
16 
9 
39 
4 
89 
7 
0 
17 
9 
423 
9 
118 
1 
5 
9 
4 
1 
56 
1 
0 
24 
18 
4 
12 
0 
41 
0 
10 
406 
9 
154 
1 
7 
4 
1 
9 
7 
1 
0 
08 
13 
9 
32 
0 
44 
4 
1 
44 
11 
425 
9 
165 
6 
7 
3 
1 
0 
6 
6 
0 
17 
15 
3 
31 
6 
54 
3 
1 
66 
12 
530 
9 
191 
6 
6 
6 
2 
7 
24 
6 
0 
30 
15 
1 
30 
9 
96 
7 
1 
26 
13 
544 
3 
201 
4 
9 
3 
3 
3 
6 
1 
0 
10 
17 
4 
36 
6 
86 
9 
1 
09 
14 
598 
6 
226 
7 
11 
6 
1 
0 
5 
6 
0 
09 
19 
2 
39 
4 
99 
7 
1 
01 
15 
585 
3 
201 
1 
7 
9 
5 
3 
14 
3 
0 
11 
24 
2 
24 
6 
123 
9 
1 
54 
16 
286 
7 
117 
1 
5 
3 
2 
4 
5 
1 
0 
09 
7 
0 
11 
4 
21 
9 
0 
91 
