|
Unit
|
Water 1
|
Water 2
|
---|
Year 2011
|
Year 2012
|
Year 2011
|
Year 2012
|
---|
Day 1a
|
Day 28a
|
Well day 1a
|
Day 1a
|
Day 28a
|
Day 1a
|
Day 28a
|
Well day 1a
|
Day 1a
|
Day 28a
|
---|
Day of bottling
|
Date
|
19/04/2011
|
19/04/2011
|
08/03/2012
|
08/03/2012
|
08/03/2012
|
02/05/2011
|
02/05/2011
|
10/04/2012
|
10/04/2012
|
10/04/2012
|
pH
|
–
|
7.3
|
7.3
|
7.1
|
7.3
|
7.3
|
7.3
|
7.4
|
7.0
|
n.a.
|
7.5
|
Conductivityb
|
μS/cm
|
1085
|
1077
|
n.a.
|
n.a.
|
n.a.
|
708
|
707
|
n.a.
|
n.a.
|
n.a.
|
Temperature
|
°C
|
22.2 ± 0.7
|
23.2 ± 0.1
|
22.5
|
22.9 ± 0.2
|
22.8 ± 0.1
|
20.2 ± 0.8
|
22.2 ± 0.2
|
21.1
|
n.a.
|
22.7 ± 0.2
|
Total alkalinity
|
°F
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
n.a.
|
0.0
|
TACc
|
°F
|
34.9
|
34.9
|
34.8
|
34.9
|
35.2
|
36.4
|
36.5
|
36.9
|
n.a.
|
36.5
|
Total hardness
|
°F
|
27.25
|
27.08 ± 0.14
|
n.a.
|
n.a.
|
n.a.
|
37.00
|
37.08 ± 0.14
|
n.a.
|
n.a.
|
n.a.
|
DOCd
|
mg L−1
|
< 0.05
|
0.05
|
0.06 ± 0.01
|
0.05 ± 0.01
|
< 0.05
|
1.19 ± 0.02
|
1.25 ± 0.03
|
0.95 ± 0.01
|
0.92 ± 0.02
|
0.83 ± 0.03
|
O2
|
mg L−1
|
n.a.
|
9.5 ± 0.1
|
n.a.
|
6.9 ± 0.0
|
7.9 ± 0.3
|
18.0 ± 2.1
|
n.a.
|
n.a.
|
12.9 ± 0.5
|
10.2 ± 0.04
|
NO3
−
|
mg L−1
|
1.50
|
1.50
|
n.a.
|
n.a.
|
n.a.
|
1.70
|
1.63 ± 0.06
|
n.a.
|
n.a.
|
n.a.
|
PO4
3−
|
mg L−1
|
< 0.01
|
< 0.01
|
n.a.
|
n.a.
|
n.a.
|
0.04
|
0.05 ± 0.01
|
n.a.
|
n.a.
|
n.a.
|
SO4
2−
|
mg L−1
|
137 ± 1
|
142 ± 1
|
n.a.
|
n.a.
|
n.a.
|
12.0
|
12.0
|
n.a.
|
n.a.
|
n.a.
|
SeO4
2−
|
μg L−1
|
1.2 ± 0.0
|
1.1 ± 0.0
|
1.1
|
1.1 ± 0.0
|
1.2 ± 0.0
|
< 0.10
|
< 20090.10
|
n.a.
|
n.a.
|
n.a.
|
Cl−
|
mg L−1
|
59.2 ± 0.3
|
58.8 ± 0.3
|
n.a.
|
n.a.
|
n.a.
|
10.3 ± 0.1
|
10.7 ± 0.1
|
n.a.
|
n.a.
|
n.a.
|
SiO2
|
mg L−1
|
13.3 ± 0.2
|
13.6 ± 0.1
|
n.a.
|
n.a.
|
n.a.
|
34.4 ± 0.4
|
33.8 ± 0.4
|
n.a.
|
n.a.
|
n.a.
|
Ca2+
|
mg L−1
|
73
|
73.7 ± 0.6
|
n.a.
|
n.a.
|
n.a.
|
112.7 ± 0.6
|
114.7 ± 1.2
|
n.a.
|
n.a.
|
n.a.
|
Mg2+
|
mg L−1
|
22.1 ± 0.1
|
21.2 ± 0.3
|
n.a.
|
n.a.
|
n.a.
|
21.6 ± 0.2
|
20.7 ± 0.3
|
n.a.
|
n.a.
|
n.a.
|
Na+
|
mg L−1
|
138 ± 2
|
141 ± 1
|
141
|
141 ± 1
|
131 ± 1
|
10.5 ± 0.1
|
10.3 ± 0.1
|
10.6
|
n.a.
|
9.8 ± 0.1
|
K+
|
mg L−1
|
7.3 ± 0.0
|
7.4 ± 0.1
|
7.6
|
7.7 ± 0.1
|
7.4 ± 0.1
|
3.8 ± 0.0
|
3.5 ± 0.1
|
3.6
|
n.a.
|
3.6 ± 0.1
|
Se
|
μg L−1
|
1. ± 0.0
|
1.3 ± 0.0
|
1.4
|
n.a.
|
n.a.
|
< 0.25
|
< 0.25
|
< 0.25
|
n.a.
|
< 0.25
|
- See Additional file 1: Tables S1 and S2 for extended versions of this table with all sampling time points
-
aDays of storage of freshly bottled water or after sampling of well water
-
bMeasured at 25 °C
-
cTAC template assisted crystallization (assessment of water hardness)
-
dDOC dissolved organic carbon
- n.a. not analyzed