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Metalafgivelse til drikkevand, DEL 2
Appendix D
1 Chemical analysis of Drinking Water for Testing,
Water Quality
1.1 ASTRUP VANDVÆRK
Table 1. Water quality at Astrup Waterworks analysed 1998-2000.
Parameter |
Sampled on 04-14-1998 |
Sampled on 05-04-1999 |
Sampled on 05-16-2000 |
Temperature |
°C |
- |
8,8 |
9,0 |
pH |
|
7,47 |
7,50 |
8,2 |
Conductivity |
mS/m |
30,08 |
30,9 |
31,2 |
Permanganate number (KMnO4) |
mg/l |
< 1 |
1,9 |
< 4 |
NVOC |
mg/l |
- |
- |
- |
Total saltes |
mg/l |
200 |
190 |
198 |
Total hardness |
°dH |
5,25 |
5,65 |
5 |
Permanent hardness |
°dH |
1,95 |
1,70 |
1,3 1.) |
Carbonate hardness |
°dH |
3,30 |
3,95 |
3,7 1.) |
Calcium precipitation |
°dH |
< 5 mg/L |
< 5 mg/L |
- |
Calcium (Ca++) |
mg/l |
30,3 |
33 |
31,8 |
Magnesium (Mg++) |
mg/l |
4,4 |
4,2 |
4,20 |
Sodium (Na+) |
mg/l |
21,6 |
20 |
21,6 |
Potassium (K+) |
mg/l |
1,8 |
1,7 |
1,70 |
Ammonium (NH4+) |
mg/L |
< 0,005 |
< 0,005 |
0,014 |
Alkalinity, total (TA) |
mmol/l |
1,18 |
1,41 |
1,3 1.) |
Hydrogencarbonat (HCO3-) |
mg/l |
72 |
86 |
81 |
Chloride (Cl-) |
mg/l |
33,1 |
30,6 |
31,3 |
Sulphate (SO4--) |
mg/l |
37,5 |
31,4 |
34 |
Nitrate (NO3-) |
mg/l |
< 0,1 |
0,1 |
< 0,1 |
Phosphor - total (P) |
mg/l |
0,005 |
0,008 |
0,032 |
Silicon dioxide (SiO2) |
mg/l |
18 |
21 |
- |
Oxygen (O2) |
mg/l |
9,3 |
8,9 |
10 |
Excess carbon dioxide, (CO2) |
mg/l |
3 |
< 2 |
< 2 |
1.) Calculated value.
Table 2. Water quality at Astrup Waterworks analysed 2001-2003.
Parameter |
Sampled on 05-04-2001 |
Sampled on 03-20-2002 |
Sampled on 03-18-2003 |
Temperature |
°C |
- |
8,6 |
8,6 |
pH |
|
7,9 |
8,0 |
7,5 |
Conductivity |
mS/m |
30,6 |
32,2 |
31,1 |
Permanganate number (KMnO4) |
mg/l |
<4 |
- |
- |
NVOC |
mg/l |
0,31 |
0,24 |
0,35 |
Evaporation residue |
mg/l |
182 |
161 |
191 |
Total hardness |
°dH |
6 |
6 |
6 |
Permanent hardness |
°dH |
2,1 1.) |
2,2 1.) |
2,2 1.) |
Carbonate hardness |
°dH |
3,9 1.) |
3,8 1.) |
3,8 1.) |
Calcium precipitation |
°dH |
- |
- |
- |
Calcium (Ca++) |
mg/l |
39 |
33,6 |
32,8 |
Magnesium (Mg++) |
mg/l |
4,3 |
4,5 |
4,0 |
Sodium (Na+) |
mg/l |
20 |
21,2 |
20,9 |
Potassium (K+) |
mg/l |
1,6 |
1,7 |
1,7 |
Ammonium (NH4+) |
mg/L |
<0,0065 |
<0,0065 |
<0,0065 |
Alkalinity, total (TA) |
mmol/l |
1,4 1.) |
1,3 1.) |
1,3 1.) |
Hydrogencarbonat (HCO3-) |
mg/l |
85 |
82 |
82 |
Chloride (Cl-) |
mg/l |
29,4 |
31,3 |
31 |
Sulphate (SO4--) |
mg/l |
31 |
38 |
34 |
Nitrate (NO3-) |
mg/l |
<0,1 |
<0,1 |
<0,1 |
Phosphor - total (P) |
mg/l |
<0,005 |
0,012 |
0,020 |
Silicon dioxide (SiO2) |
mg/l |
- |
- |
- |
Oxygen (O2) |
mg/l |
8,1 |
10 |
11 |
Excess carbon dioxide, (CO2) |
mg/l |
<2 |
<2 |
6 |
1.) Calculated value.
1.2 VESTER GJESING VANDVÆRK
Table 3. Water quality at Vester Gjesing Waterworks analysed 1998-2000.
Parameter |
Sampled on 05-05-1998 |
Sampled on 04-26-1999 |
Sampled on 05-02-2000 |
Temperature |
°C |
- |
8,7 |
9,1 |
pH |
|
7,69 |
7,61 |
7,8 |
Conductivity |
mS/m |
37,0 |
37,4 |
37,5 |
Permanganate number (KMnO4) |
mg/l |
< 1 |
1,4 |
< 4 |
NVOC |
mg/l |
- |
- |
- |
Evaporation residue |
mg/l |
230 |
230 |
221 |
Total hardness |
°dH |
7,90 |
7,84 |
8 |
Permanent hardness |
°dH |
2,13 |
2,13 |
2,0 1.) |
Carbonate hardness |
°dH |
5,77 |
5,71 |
6,0 1.) |
Calcium precipitation |
°dH |
< 5 mg/L |
< 5mg/L |
- |
Calcium (Ca++) |
mg/l |
50 |
50 |
51 |
Magnesium (Mg++) |
mg/l |
3,8 |
3,8 |
5 |
Sodium (Na+) |
mg/l |
19 |
19 |
20 |
Potassium (K+) |
mg/l |
1,7 |
1,7 |
1,8 |
Ammonium (NH4+) |
mg/L |
< 0,005 |
< 0,005 |
0,0090 |
Alkalinity total (TA) |
mmol/l |
2,06 |
2,04 |
2,1 1.) |
Hydrogencarbonat (HCO3-) |
mg/l |
130 |
120 |
130 |
Chlorid (Cl-) |
mg/l |
31,0 |
30,8 |
30,3 |
Sulphate (SO4--) |
mg/l |
36,8 |
35,3 |
34 |
Nitrate (NO3-) |
mg/l |
0,1 |
< 0,1 |
0,16 |
Phosphor - total (P) |
mg/l |
0,010 |
0,010 |
0,023 |
Silicon dioxide (SiO2) |
mg/l |
18 |
19 |
- |
Oxygen (O2) |
mg/l |
10 |
11 |
11 |
Excess carbon dioxide, (CO2) |
mg/l |
< 2 |
< 2 |
< 2 |
1.) Calculated value
Table 4. Water quality at Vester Gjesing Waterworks analysed 2001-2003.
Parameter |
Sampled on 04-30-2001 |
Sampled on 03-12-2002 |
Sampled on 03-2003 |
Temperature |
°C |
- |
8,4 |
8,6 |
pH |
|
7,7 |
7,7 |
7,3 |
Conductivity |
mS/m |
37,6 |
36,7 |
35,31 |
Permanganate number (KMnO4) |
mg/l |
<4 |
- |
- |
NVOC |
mg/l |
0,37 |
0,42 |
0,39 |
Evaporation residue |
mg/l |
154 |
242 |
227 |
Total hardness |
°dH |
8 |
8 |
8 |
Permanent hardness |
°dH |
2,3 1.) |
2,3 1.) |
2,3 1.) |
Carbonate hardness |
°dH |
5,7 1.) |
5,7 1.) |
5,7 1.) |
Calcium precipitation |
°dH |
- |
- |
- |
Calcium (Ca++) |
mg/l |
49 |
48 |
49,9 |
Magnesium (Mg++) |
mg/l |
3,6 |
3,7 |
3,7 |
Sodium (Na+) |
mg/l |
20 |
19 |
19,6 |
Potassium (K+) |
mg/l |
1,7 |
1,5 |
1,5 |
Ammonium (NH4+) |
mg/L |
<0,0065 |
<0,0065 |
<0,0065 |
Alkalinity total (TA) |
mmol/l |
2,0 1.) |
2,0 1.) |
2,0 1.) |
Hydrogencarbonat (HCO3-) |
mg/l |
124 |
123 |
124 |
Chlorid (Cl-) |
mg/l |
30,9 |
30,4 |
30 |
Sulphate (SO4--) |
mg/l |
34 |
33 |
32 |
Nitrate (NO3-) |
mg/l |
<0,1 |
<0,1 |
<0,1 |
Phosphor - total (P) |
mg/l |
0,010 |
0,015 |
0,024 |
Silicon dioxide (SiO2) |
mg/l |
- |
- |
- |
Oxygen (O2) |
mg/l |
11 |
11 |
10 |
Excess carbon dioxide, (CO2) |
mg/l |
<2 |
<2 |
<2 |
1.) Calculated value
1.3 LYSHOLT VANDVÆRK
Table 5. Water quality at Lysholt Waterworks analysed 2000-2002.
Parameter |
Sampled on 12-04-2000 |
Sampled on 11-20-2001 |
Sampled on 03-12-2002 |
Temperature |
°C |
8,5 |
8,5 |
8,3 |
pH |
|
8,1 |
8,1 |
8,0 |
Conductivity |
mS/m |
51 |
54,6 |
53,8 |
Permanganate number (KMnO4) |
mg/l |
9,7 |
3,2 |
2,9 |
NVOC |
mg/l |
1,4 |
1,3 |
1,1 |
Evaporation residue |
mg/l |
316 |
328 |
321 |
Total hardness |
°dH |
13 |
14 |
13 |
Permanent hardness |
°dH |
2,5 1.) |
2,5 1.) |
1,2 1.) |
Carbonate hardness |
°dH |
10,5 1.) |
11,5 1.) |
11,8 1.) |
Calcium precipitation |
°dH |
- |
- |
- |
Calcium (Ca++) |
mg/l |
82 |
89 |
78 |
Magnesium (Mg++) |
mg/l |
5,5 |
6,8 |
7,1 |
Sodium (Na+) |
mg/l |
15 |
19 |
20 |
Potassium (K+) |
mg/l |
2,0 |
2,8 |
2,9 |
Ammonium (NH4+) |
mg/L |
<0,005 |
<0,005 |
<0,005 |
Alkalinity total (TA) |
mmol/l |
3,8 1.) |
4,1 1.) |
4,2 1.) |
Hydrogencarbonat (HCO3-) |
mg/l |
229 |
250 |
257 |
Chlorid (Cl-) |
mg/l |
23,0 |
23,3 |
24,2 |
Sulphate (SO4--) |
mg/l |
47 |
44 |
37 |
Nitrate (NO3-) |
mg/l |
0,60 |
<1,0 |
1,1 |
Phosphor - total (P) |
mg/l |
0,011 |
0,012 |
0,017 |
Silicon dioxide (SiO2) |
mg/l |
- |
- |
- |
Oxygen (O2) |
mg/l |
10,3 |
10,9 |
10,4 |
Excess carbon dioxide, (CO2) |
mg/l |
<2 |
<2 |
<2 |
1.) Calculated value.
Table 6. Water quality at Lysholt Waterworks analysed 2002-2003.
Parameter |
Sampled on 10-24-2002 |
Sampled on 09-30-2003 |
Temperature |
C |
9,0 |
9,8 |
pH |
|
8,1 |
8,0 |
Conductivity |
mS/m |
52,6 |
53,6 |
Permanganate number (KMnO4) |
mg/l |
- |
- |
NVOC |
mg/l |
1,3 |
1,3 |
Evaporation residue |
mg/l |
323 |
336 |
Total hardness |
°dH |
13 |
14 |
Permanent hardness |
°dH |
2,2 1.) |
3,4 1.) |
Carbonate hardness |
°dH |
10,8 1.) |
10,6 1.) |
Calcium precipitation |
°dH |
- |
- |
Calcium (Ca++) |
mg/l |
80 |
91 |
Magnesium (Mg++) |
mg/l |
6,4 |
5,6 |
Sodium (Na+) |
mg/l |
16 |
13 |
Potassium (K+) |
mg/l |
2,3 |
2,0 |
Ammonium (NH4+) |
mg/L |
<0,005 |
<0,005 |
Alkalinity total (TA) |
mmol/l |
3,9 1.) |
3,8 1.) |
Hydrogencarbonat (HCO3-) |
mg/l |
235 |
232 |
Chlorid (Cl-) |
mg/l |
21,4 |
21,3 |
Sulphate (SO4--) |
mg/l |
46 |
62 |
Nitrate (NO3-) |
mg/l |
1,1 |
<1,0 |
Phosphor - total (P) |
mg/l |
0,007 |
0,044 |
Silicon dioxide (SiO2) |
mg/l |
- |
- |
Oxygen (O2) |
mg/l |
10,7 |
9,2 |
Excess carbon dioxide, (CO2) |
mg/l |
<2 |
<2 |
1.) Calculated value
1.4 REGNEMARK, KØBENHAVNS ENERGI
Table 7. Water quality at Regnemark Waterworks analysed 1998-2000.
Parameter |
Sampled on 12-21-1998 |
Sampled on 02-23-1999 |
Sampled on 04-26-2000 |
Temperature |
°C |
8,9 |
8,3 |
8,8 |
pH1.) |
|
7,49 |
7,41 |
7,79 |
Conductivity1.) |
mS/m |
75,5 |
78,1 |
78,5 |
Permanganate number (KMnO4) |
mg/l |
4,2 |
6,8 |
8,8 |
NVOC |
mg/l |
- |
- |
- |
Evaporation residue |
mg/l |
627 |
635 |
697 |
Total hardness |
°dH |
22,6 |
24,2 |
22,5 |
Permanent hardness |
°dH |
5,3 |
6,7 |
5,2 |
Carbonate hardness |
°dH |
17,2 |
17,5 |
17,3 |
Calcium precipitation 1.) |
°dH |
0,9 |
1,0 |
1,1 |
Calcium (Ca++) |
mg/l |
120 |
132 |
123 |
Magnesium (Mg++) |
mg/l |
25 |
25 |
23 |
Sodium (Na+) |
mg/l |
65 |
65 |
62 |
Potassium (K+) |
mg/l |
5,8 |
5,6 |
5,7 |
Alkalinity total (TA) |
mmol/l |
6,14 |
6,25 |
6,18 |
Hydrogencarbonat (HCO3-) |
mg/l |
375 |
381 |
377 |
Chlorid (Cl-) |
mg/l |
100 |
110 |
99 |
Sulphate (SO4--) |
mg/l |
86 |
91 |
122 |
Nitrate (NO3-) |
mg/l |
1,0 |
2,6 |
2,5 |
Phosphor - total (P) |
mg/l |
- |
< 0,0050 |
< 0,0050 |
Silicon dioxide (SiO2) |
mg/l |
26 |
27 |
27 |
Oxygen (O2) |
mg/l |
8,7 |
8,9 |
8,8 |
Excess carbon dioxide, (CO2) 1.) |
mg/l |
0 |
0 |
0 |
1.) Measured at 12C
Table 8. Water quality at Regnemark Waterworks analysed 2001-2003.
Parameter |
Sampled on 09-24-2001 |
Sampled on 03-04-2002 |
Sampled on 08-19-2003 |
Temperature |
°C |
9,3 |
8,6 |
9,4 |
pH1.) |
|
7,25 |
7,7 |
7,4 |
Conductivity1.) |
mS/m |
75,0 |
78 |
79 |
Permanganate number (KMnO4) |
mg/l |
5,7 |
- |
- |
NVOC |
mg/l |
2,42 |
2,27 |
2,60 |
Evaporation residue |
mg/l |
646 |
639 |
671 |
Total hardness |
°dH |
21,9 |
21,7 |
22,1 |
Permanent hardness |
°dH |
4,8 |
4,7 |
4,9 |
Carbonate hardness |
°dH |
17,1 |
17,0 |
17,2 |
Calcium precipitation 1.) |
°dH |
1,2 |
1,3 |
1,5 |
Calcium (Ca++) |
mg/l |
120 |
114 |
120 |
Magnesium (Mg++) |
mg/l |
22 |
25 |
23 |
Sodium (Na+) |
mg/l |
69 |
65 |
60 |
Potassium (K+) |
mg/l |
6,4 |
6,0 |
6,0 |
Alkalinity total (TA) |
mmol/l |
6,10 |
6,06 |
6,15 |
Hydrogencarbonat (HCO3-) |
mg/l |
372 |
370 |
375 |
Chlorid (Cl-) |
mg/l |
108 |
109 |
106 |
Sulphate (SO4--) |
mg/l |
79 |
88 |
83 |
Nitrate (NO3-) |
mg/l |
2,5 |
2,5 |
2,6 |
Phosphor - total (P) |
mg/l |
0,0050 |
<0,01 |
<0,01 |
Silicon dioxide (SiO2) |
mg/l |
26 |
12 |
21 |
Oxygen (O2) |
mg/l |
8,57 |
9,51 |
8,9 |
Excess carbon dioxide, (CO2) 1.) |
mg/l |
<2 |
<2 |
<2 |
1.) Measured at 12°C
2. Chemical Analysis on actual Test Days
pH (DS 287) |
Week |
Astrup |
Vester Gjesing |
Lysholt |
Regnemark 12°C |
|
On-site |
At lab. |
On-site |
At lab. |
On-site |
At lab. |
On-site |
At lab. |
95 |
7,9 |
|
7,8 |
|
|
|
|
7,5 |
104 |
7,8 |
|
7,7 |
|
|
|
|
|
2 /147 |
|
7,8 |
|
7,7 |
|
7,9 |
|
7,5 |
6 |
|
6,1 |
|
7,7 |
|
7,9 |
|
7,4 |
10 |
|
7,7 |
|
7,6 |
|
7,8 |
|
7,9 |
15 /160 |
|
7,7 |
|
8,0 |
|
7,9 |
|
7,4 |
25 |
7,8 |
7,6 |
7,8 |
7,6 |
7,6 *1 |
7,8 |
7,4 |
7,6 |
33 /178 |
8,0 |
7,7 |
7,8 |
7,6 |
7,6 *2 |
7,8 |
|
|
46 |
7,9 |
7,7 |
7,8 |
7,7 |
7,7 *3 |
8,0 |
|
7,5 |
52/ 197 |
8,2 |
7,4 |
7,7 |
7,5 |
7,7 *4 |
7,8 |
|
7,5 |
*1= temperature at 10,9°C, *2 = temperature at 8,8°C, *3 = temperature at 8,0°C, *4 =temperature at 7,8°C
Conductivity ms/m |
Week |
Astrup |
Vester Gjesing |
Lysholt |
Regnemark 12°C |
|
On-site |
At lab. |
On-site |
At lab. |
On-site |
At lab. |
On-site |
At lab. |
95 |
|
30,4 |
|
37,6 |
|
|
|
77,8 |
104 |
|
30,5 |
|
37,6 |
|
|
|
73,7 |
2 /147 |
|
32,1 |
|
37,1 |
|
54,2 |
|
75,4 |
6 |
|
31,5 |
|
37,1 |
|
52,8 |
|
75,9 |
10 |
|
31,8 |
|
36,6 |
|
52,2 |
|
72,9 |
15 /160 |
|
30,3 |
|
36,5 |
|
53,6 |
|
77,2 |
25 |
|
30,6 |
|
35,9 |
|
53,9 |
|
80,0 |
33 /178 |
|
29,1 |
|
34,5 |
|
53,3 |
|
|
46 |
|
31,5 |
|
36,9 |
|
53,5 |
|
76,8 |
52/ 197 |
|
30,2 |
|
35,5 |
|
52,0 |
|
77,2 |
Alkalinity mmol/l |
Week |
Astrup |
Vester Gjesing |
Lysholt |
Regnemark |
|
On-site |
At lab. |
On-site |
At lab. |
On-site |
At lab. |
On-site |
At lab. |
95 |
|
1,3 |
|
2,0 |
|
|
|
6,3 |
104 |
|
1,3 |
|
2,0 |
|
|
|
6,2 |
2 /147 |
|
1,3 |
|
2,1 |
|
4,1 |
|
6,3 |
6 |
|
1,4 |
|
2,0 |
|
4,0 |
|
6,3 |
10 |
|
1,4 |
|
2,0 |
|
4,0 |
|
6,2 |
15 /160 |
|
1,3 |
|
2,0 |
|
4,1 |
|
6,1 |
25 |
|
1,4 |
|
2,0 |
|
4,1 |
|
|
33 /178 |
|
1,5 |
|
2,1 |
|
3,8 |
|
|
46 |
|
1,4 |
|
2,0 |
|
3,8 |
|
6,0 |
52/ 197 |
|
1,4 |
|
2,0 |
|
3,8 |
|
6,1 |
Chloride mg/l |
Week |
Astrup |
Vester Gjesing |
Lysholt |
Regnemark |
|
On-site |
At lab. |
On-site |
At lab. |
On-site |
At lab. |
On-site |
At lab. |
95 |
|
30 |
|
31 |
|
|
|
116 |
104 |
|
31 |
|
32 |
|
|
|
101 |
2 /147 |
|
|
|
|
|
21 |
|
96 |
6 |
|
|
|
|
|
24 |
|
105 |
10 |
|
|
|
|
|
22 |
|
84 |
15 /160 |
|
|
|
|
|
21 |
|
103 |
25 |
|
|
|
|
|
24 |
|
|
33 /178 |
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