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Drinking water in 66132

For this postcode Stadtwerke Saarbrücken Netz AG publishes several supply zones. Which of them serves an individual address is not published — below are the values of the zone with the most documented parameters, the remaining 3 underneath.

How to read the share of the parametric value

12 % Share of the parametric value. The proportion of the permitted maximum that the measured value uses — here 12 %, so just over an eighth.
< 10 % * Below the limit of quantification. The substance was not detectable. The mark shows where the detection limit lies relative to the parametric value — the actual share of the parametric value is below that.

Several samples per year: for chemical parameters the mean value is given, for microbiological ones the highest measured value. There the parametric value is zero — a single finding would disappear in the average, and it is precisely that finding which is the information. Which reference applies is stated in the last column of the table.

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 24/06/2025. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
4.8 °dH
Hardness range soft
Key values Altenkessel
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 10,5 mg/l 50 mg/l
21 %
Single value · Altenkessel
Lead <0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value · Altenkessel
Sulphate 33,4 mg/l 250 mg/l
13 %
Single value · Altenkessel
Sodium 9,9 mg/l 200 mg/l
5 %
Single value · Altenkessel

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (38 — most recent value per parameter)

Chemical parameters (18)

Chemical parameters – Altenkessel
Parameter Value Parametric value Share of the parametric value Reference
Antimony <0,3 µg/l
below limit of quantification
5 µg/l
< 6 % *
Single value · Altenkessel
Arsenic 0,6 µg/l 10 µg/l
6 %
Single value · Altenkessel
Benzene <0,2 µg/l
below limit of quantification
1 µg/l
< 20 % *
Single value · Altenkessel
Benzo(a)pyrene <0,001 µg/l
below limit of quantification
10 ng/l
< 10 % *
Single value · Altenkessel
Boron <0,05 mg/l
below limit of quantification
1 mg/l
< 5 % *
Single value · Altenkessel
Bromate <0,002 mg/l
below limit of quantification
10 µg/l
< 20 % *
Single value · Altenkessel
Cadmium 0,4 µg/l 3 µg/l
13 %
Single value · Altenkessel
Chromium <0,3 µg/l
below limit of quantification
25 µg/l
< 1 % *
Single value · Altenkessel
Copper <0,002 mg/l
below limit of quantification
2 mg/l
< 0.1 % *
Single value · Altenkessel
Cyanide <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · Altenkessel
Fluoride 0,05 mg/l 1.5 mg/l
3 %
Single value · Altenkessel
Lead <0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value · Altenkessel
Mercury <0,10 µg/l
below limit of quantification
1 µg/l
< 10 % *
Single value · Altenkessel
Nickel 5,2 µg/l 20 µg/l
26 %
Single value · Altenkessel
Nitrate 10,5 mg/l 50 mg/l
21 %
Single value · Altenkessel
Nitrite <0,005 mg/l
below limit of quantification
0.5 mg/l
< 1 % *
Single value · Altenkessel
Selenium <0,60 µg/l
below limit of quantification
10 µg/l
< 6 % *
Single value · Altenkessel
Uranium <0,20 µg/l
below limit of quantification
10 µg/l
< 2 % *
Single value · Altenkessel

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Indicator parameters (12)

Indicator parameters – Altenkessel
Parameter Value Parametric value Share of the parametric value Reference
Aluminium <0,010 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value · Altenkessel
Chloride 20,2 mg/l 250 mg/l
8 %
Single value · Altenkessel
Colour <0,1 1/m
below limit of quantification
0.5 m⁻¹ Single value · Altenkessel
Conductivity (25 °C) 252 µS/cm 2,790 µS/cm Single value · Altenkessel
Iron 0,015 mg/l 0.2 mg/l
8 %
Single value · Altenkessel
Manganese <0,002 mg/l
below limit of quantification
50 µg/l
< 4 % *
Single value · Altenkessel
pH 8,42 6,5–9,5 Single value · Altenkessel
Sodium 9,9 mg/l 200 mg/l
5 %
Single value · Altenkessel
Sulphate 33,4 mg/l 250 mg/l
13 %
Single value · Altenkessel
Temperature 12,9 °C Single value · Altenkessel
Total organic carbon (TOC) 0,5 mg/l ohne anormale Veränderung Single value · Altenkessel
Turbidity 0,27 NTU 1 NTU Single value · Altenkessel

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (8)

Further parameters – Altenkessel
Parameter Value Parametric value Share of the parametric value Reference
Calcium 25,1 mg/l Single value · Altenkessel
Carbonate hardness 2,828 °dH Single value · Altenkessel
Hydrogen carbonate 58,56 mg/l Single value · Altenkessel
Magnesium 5,7 mg/l Single value · Altenkessel
Oxygen 10,33 mg/l Single value · Altenkessel
Phosphate 0,093 mg/l Single value · Altenkessel
Potassium 4,5 mg/l Single value · Altenkessel
Total hardness 0,86 mmol/l Single value · Altenkessel

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://www.saarbruecker-stadtwerke.de/media/download-5ce2a5f92c7ee · 24.06.2025 · retrieved on 11/07/2026
Show 3 more supply zones in this postcode

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 24/06/2025. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
7.2 °dH
Hardness range soft
Key values Bliestal GmbH
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 3,5 mg/l 50 mg/l
7 %
Single value · Bliestal GmbH
Lead <0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value · Bliestal GmbH
Sulphate 16,5 mg/l 250 mg/l
7 %
Single value · Bliestal GmbH
Sodium 14,2 mg/l 200 mg/l
7 %
Single value · Bliestal GmbH

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (38 — most recent value per parameter)

Chemical parameters (18)

Chemical parameters – Bliestal GmbH
Parameter Value Parametric value Share of the parametric value Reference
Antimony <0,3 µg/l
below limit of quantification
5 µg/l
< 6 % *
Single value · Bliestal GmbH
Arsenic 2,3 µg/l 10 µg/l
23 %
Single value · Bliestal GmbH
Benzene <0,2 µg/l
below limit of quantification
1 µg/l
< 20 % *
Single value · Bliestal GmbH
Benzo(a)pyrene <0,001 µg/l
below limit of quantification
10 ng/l
< 10 % *
Single value · Bliestal GmbH
Boron <0,05 mg/l
below limit of quantification
1 mg/l
< 5 % *
Single value · Bliestal GmbH
Bromate <0,002 mg/l
below limit of quantification
10 µg/l
< 20 % *
Single value · Bliestal GmbH
Cadmium <0,20 µg/l
below limit of quantification
3 µg/l
< 7 % *
Single value · Bliestal GmbH
Chromium <0,3 µg/l
below limit of quantification
25 µg/l
< 1 % *
Single value · Bliestal GmbH
Copper <0,002 mg/l
below limit of quantification
2 mg/l
< 0.1 % *
Single value · Bliestal GmbH
Cyanide <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · Bliestal GmbH
Fluoride 0,13 mg/l 1.5 mg/l
9 %
Single value · Bliestal GmbH
Lead <0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value · Bliestal GmbH
Mercury <0,10 µg/l
below limit of quantification
1 µg/l
< 10 % *
Single value · Bliestal GmbH
Nickel 0,8 µg/l 20 µg/l
4 %
Single value · Bliestal GmbH
Nitrate 3,5 mg/l 50 mg/l
7 %
Single value · Bliestal GmbH
Nitrite <0,005 mg/l
below limit of quantification
0.5 mg/l
< 1 % *
Single value · Bliestal GmbH
Selenium <0,60 µg/l
below limit of quantification
10 µg/l
< 6 % *
Single value · Bliestal GmbH
Uranium 0,6 µg/l 10 µg/l
6 %
Single value · Bliestal GmbH

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Indicator parameters (12)

Indicator parameters – Bliestal GmbH
Parameter Value Parametric value Share of the parametric value Reference
Aluminium <0,010 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value · Bliestal GmbH
Chloride 5,9 mg/l 250 mg/l
2 %
Single value · Bliestal GmbH
Colour <0,1 1/m
below limit of quantification
0.5 m⁻¹ Single value · Bliestal GmbH
Conductivity (25 °C) 316 µS/cm 2,790 µS/cm Single value · Bliestal GmbH
Iron 0,006 mg/l 0.2 mg/l
3 %
Single value · Bliestal GmbH
Manganese <0,002 mg/l
below limit of quantification
50 µg/l
< 4 % *
Single value · Bliestal GmbH
pH 7,88 6,5–9,5 Single value · Bliestal GmbH
Sodium 14,2 mg/l 200 mg/l
7 %
Single value · Bliestal GmbH
Sulphate 16,5 mg/l 250 mg/l
7 %
Single value · Bliestal GmbH
Temperature 14,3 °C Single value · Bliestal GmbH
Total organic carbon (TOC) 0,3 mg/l ohne anormale Veränderung Single value · Bliestal GmbH
Turbidity 0,32 NTU 1 NTU Single value · Bliestal GmbH

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (8)

Further parameters – Bliestal GmbH
Parameter Value Parametric value Share of the parametric value Reference
Calcium 28,7 mg/l Single value · Bliestal GmbH
Carbonate hardness 8,092 °dH Single value · Bliestal GmbH
Hydrogen carbonate 173,24 mg/l Single value · Bliestal GmbH
Magnesium 13,8 mg/l Single value · Bliestal GmbH
Oxygen 10,51 mg/l Single value · Bliestal GmbH
Phosphate 0,321 mg/l Single value · Bliestal GmbH
Potassium 4,8 mg/l Single value · Bliestal GmbH
Total hardness 1,29 mmol/l Single value · Bliestal GmbH

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://www.saarbruecker-stadtwerke.de/media/download-5ce2a5f92c7ee · 24.06.2025 · retrieved on 11/07/2026

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 24/06/2025. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
4.8 °dH
Hardness range soft
Key values Rentrisch
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 8,7 mg/l 50 mg/l
17 %
Single value · Rentrisch
Lead <0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value · Rentrisch
Sulphate 28,7 mg/l 250 mg/l
11 %
Single value · Rentrisch
Sodium 6,5 mg/l 200 mg/l
3 %
Single value · Rentrisch

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (38 — most recent value per parameter)

Chemical parameters (18)

Chemical parameters – Rentrisch
Parameter Value Parametric value Share of the parametric value Reference
Antimony <0,3 µg/l
below limit of quantification
5 µg/l
< 6 % *
Single value · Rentrisch
Arsenic 1 µg/l 10 µg/l
10 %
Single value · Rentrisch
Benzene <0,2 µg/l
below limit of quantification
1 µg/l
< 20 % *
Single value · Rentrisch
Benzo(a)pyrene <0,001 µg/l
below limit of quantification
10 ng/l
< 10 % *
Single value · Rentrisch
Boron <0,05 mg/l
below limit of quantification
1 mg/l
< 5 % *
Single value · Rentrisch
Bromate <0,002 mg/l
below limit of quantification
10 µg/l
< 20 % *
Single value · Rentrisch
Cadmium 0,7 µg/l 3 µg/l
23 %
Single value · Rentrisch
Chromium <0,3 µg/l
below limit of quantification
25 µg/l
< 1 % *
Single value · Rentrisch
Copper <0,002 mg/l
below limit of quantification
2 mg/l
< 0.1 % *
Single value · Rentrisch
Cyanide <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · Rentrisch
Fluoride 0,05 mg/l 1.5 mg/l
3 %
Single value · Rentrisch
Lead <0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value · Rentrisch
Mercury <0,10 µg/l
below limit of quantification
1 µg/l
< 10 % *
Single value · Rentrisch
Nickel 4,8 µg/l 20 µg/l
24 %
Single value · Rentrisch
Nitrate 8,7 mg/l 50 mg/l
17 %
Single value · Rentrisch
Nitrite <0,005 mg/l
below limit of quantification
0.5 mg/l
< 1 % *
Single value · Rentrisch
Selenium <0,60 µg/l
below limit of quantification
10 µg/l
< 6 % *
Single value · Rentrisch
Uranium <0,20 µg/l
below limit of quantification
10 µg/l
< 2 % *
Single value · Rentrisch

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Indicator parameters (12)

Indicator parameters – Rentrisch
Parameter Value Parametric value Share of the parametric value Reference
Aluminium <0,010 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value · Rentrisch
Chloride 17,3 mg/l 250 mg/l
7 %
Single value · Rentrisch
Colour <0,1 1/m
below limit of quantification
0.5 m⁻¹ Single value · Rentrisch
Conductivity (25 °C) 231 µS/cm 2,790 µS/cm Single value · Rentrisch
Iron <0,005 mg/l
below limit of quantification
0.2 mg/l
< 3 % *
Single value · Rentrisch
Manganese <0,002 mg/l
below limit of quantification
50 µg/l
< 4 % *
Single value · Rentrisch
pH 8,46 6,5–9,5 Single value · Rentrisch
Sodium 6,5 mg/l 200 mg/l
3 %
Single value · Rentrisch
Sulphate 28,7 mg/l 250 mg/l
11 %
Single value · Rentrisch
Temperature 12,5 °C Single value · Rentrisch
Total organic carbon (TOC) 0,3 mg/l ohne anormale Veränderung Single value · Rentrisch
Turbidity 0,27 NTU 1 NTU Single value · Rentrisch

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (8)

Further parameters – Rentrisch
Parameter Value Parametric value Share of the parametric value Reference
Calcium 22,1 mg/l Single value · Rentrisch
Carbonate hardness 2,8 °dH Single value · Rentrisch
Hydrogen carbonate 57,95 mg/l Single value · Rentrisch
Magnesium 7,5 mg/l Single value · Rentrisch
Oxygen 10,75 mg/l Single value · Rentrisch
Phosphate 0,132 mg/l Single value · Rentrisch
Potassium 4,3 mg/l Single value · Rentrisch
Total hardness 0,86 mmol/l Single value · Rentrisch

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://www.saarbruecker-stadtwerke.de/media/download-5ce2a5f92c7ee · 24.06.2025 · retrieved on 11/07/2026

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 24/06/2025. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
13 °dH
Hardness range medium
Key values St. Arnual
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 1,3 mg/l 50 mg/l
3 %
Single value · St. Arnual
Lead <0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value · St. Arnual
Sulphate 54,7 mg/l 250 mg/l
22 %
Single value · St. Arnual
Sodium 54,2 mg/l 200 mg/l
27 %
Single value · St. Arnual

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (38 — most recent value per parameter)

Chemical parameters (18)

Chemical parameters – St. Arnual
Parameter Value Parametric value Share of the parametric value Reference
Antimony <0,3 µg/l
below limit of quantification
5 µg/l
< 6 % *
Single value · St. Arnual
Arsenic 1 µg/l 10 µg/l
10 %
Single value · St. Arnual
Benzene <0,2 µg/l
below limit of quantification
1 µg/l
< 20 % *
Single value · St. Arnual
Benzo(a)pyrene <0,001 µg/l
below limit of quantification
10 ng/l
< 10 % *
Single value · St. Arnual
Boron <0,05 mg/l
below limit of quantification
1 mg/l
< 5 % *
Single value · St. Arnual
Bromate <0,002 mg/l
below limit of quantification
10 µg/l
< 20 % *
Single value · St. Arnual
Cadmium <0,20 µg/l
below limit of quantification
3 µg/l
< 7 % *
Single value · St. Arnual
Chromium <0,3 µg/l
below limit of quantification
25 µg/l
< 1 % *
Single value · St. Arnual
Copper <0,002 mg/l
below limit of quantification
2 mg/l
< 0.1 % *
Single value · St. Arnual
Cyanide <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · St. Arnual
Fluoride 0,12 mg/l 1.5 mg/l
8 %
Single value · St. Arnual
Lead <0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value · St. Arnual
Mercury <0,10 µg/l
below limit of quantification
1 µg/l
< 10 % *
Single value · St. Arnual
Nickel 2,3 µg/l 20 µg/l
12 %
Single value · St. Arnual
Nitrate 1,3 mg/l 50 mg/l
3 %
Single value · St. Arnual
Nitrite <0,005 mg/l
below limit of quantification
0.5 mg/l
< 1 % *
Single value · St. Arnual
Selenium <0,60 µg/l
below limit of quantification
10 µg/l
< 6 % *
Single value · St. Arnual
Uranium <0,20 µg/l
below limit of quantification
10 µg/l
< 2 % *
Single value · St. Arnual

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Indicator parameters (12)

Indicator parameters – St. Arnual
Parameter Value Parametric value Share of the parametric value Reference
Aluminium 0,012 mg/l 0.2 mg/l
6 %
Single value · St. Arnual
Chloride 79,9 mg/l 250 mg/l
32 %
Single value · St. Arnual
Colour <0,1 1/m
below limit of quantification
0.5 m⁻¹ Single value · St. Arnual
Conductivity (25 °C) 710 µS/cm 2,790 µS/cm Single value · St. Arnual
Iron 0,006 mg/l 0.2 mg/l
3 %
Single value · St. Arnual
Manganese <0,002 mg/l
below limit of quantification
50 µg/l
< 4 % *
Single value · St. Arnual
pH 7,58 6,5–9,5 Single value · St. Arnual
Sodium 54,2 mg/l 200 mg/l
27 %
Single value · St. Arnual
Sulphate 54,7 mg/l 250 mg/l
22 %
Single value · St. Arnual
Temperature 14,1 °C Single value · St. Arnual
Total organic carbon (TOC) 0,5 mg/l ohne anormale Veränderung Single value · St. Arnual
Turbidity 0,21 NTU 1 NTU Single value · St. Arnual

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (8)

Further parameters – St. Arnual
Parameter Value Parametric value Share of the parametric value Reference
Calcium 51,5 mg/l Single value · St. Arnual
Carbonate hardness 11,508 °dH Single value · St. Arnual
Hydrogen carbonate 247,66 mg/l Single value · St. Arnual
Magnesium 26,3 mg/l Single value · St. Arnual
Oxygen 10 mg/l Single value · St. Arnual
Phosphate 1,281 mg/l Single value · St. Arnual
Potassium 6,2 mg/l Single value · St. Arnual
Total hardness 2,32 mmol/l Single value · St. Arnual

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://www.saarbruecker-stadtwerke.de/media/download-5ce2a5f92c7ee · 24.06.2025 · retrieved on 11/07/2026

Frequent questions about postcode 66132

How hard is the water in Postcode 66132?
Stadtwerke Saarbrücken Netz AG publishes a total hardness of 0,86 mmol/l for the supply zone Altenkessel — that corresponds to 4.8 °dH. The hardness range is a classification under the German Detergents and Cleaning Products Act (soft below 8,4 °dH, medium 8,4 to 14 °dH, hard above that) and not a quality verdict — it indicates how much calcium and magnesium is dissolved in the water. Basis: Publication by the water supplier, retrieved on 11/07/2026.
How much nitrate is in the drinking water in Postcode 66132?
Stadtwerke Saarbrücken Netz AG publishes a nitrate value of 10,5 mg/l for the supply zone Altenkessel. The statutory parametric value is 50 mg/l; the measured value represents 21 % of the parametric value. Basis: Publication by the water supplier, retrieved on 11/07/2026.
Who supplies the drinking water in Postcode 66132?
Stadtwerke Saarbrücken Netz AG. The values shown here come from the supply zone Altenkessel and apply to the water the supplier delivers. What happens between the building connection and the tap — in old lead pipes, for example — is not covered by these analyses; information on that is provided by owners, the health authority or an examination by an accredited laboratory.

General questions — how current the data is, limit of quantification, parametric values, who is behind this site — are answered under Questions & answers.