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Check Potable
79.00€
CHECK POTABLE (Drinking water test) includes basic parameters on drinking water, according to Council Directive 98/83/EC, on the quality of water intended for human consumption (In Spain: Real Decreto 140/2003), checking organoleptic and microbiological quality of the water used for human consumption.
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What parameters are included in the analysis?
NH
Ammonium 
Ammonium is a key indicator of water contamination.
The presence of ammonium or ammonia in water is usually associated to organic pollution (wastes composed of animal, human, plant material, fertilizers, etc.) so it serves as an indicator of water pollution.
The presence of ammonia does not often pose a risk to health but it may be related to other problems such as bacterial contamination, the presence of other contaminants, the reduction of chloridation resistance and smell and taste disorders.
The maximum acceptable concentration of ammonia in drinking water for human consumption is 0.5 mg/l.
The presence of ammonia does not often pose a risk to health but it may be related to other problems such as bacterial contamination, the presence of other contaminants, the reduction of chloridation resistance and smell and taste disorders.
The maximum acceptable concentration of ammonia in drinking water for human consumption is 0.5 mg/l.
CT
Total Coliforms
Are the standard by which microbiological contamination is measured..
Total coliform bacteria can not only occur in human or animal feces but also can be found in the environment. They are, on the one hand, indicators of microbiological contamination and, on the other hand, their presence provides evidence regarding the adequacy of disinfection.
This parameter is measured in cfu (colony forming units) per 100 ml or 250 ml volume.
The maximum acceptable concentration of total coliforms in drinking water is 0 cfu/100ml.
This parameter is measured in cfu (colony forming units) per 100 ml or 250 ml volume.
The maximum acceptable concentration of total coliforms in drinking water is 0 cfu/100ml.
Co
Color
Measurement of water color.
Water may be colored due to many causes (organic matter -plant debris, algae, etc.-, iron or other metals, etc...).
The color measurement is made in water by comparison with a standard. The result is often expressed as mg/l of Pt/Co.
Water legislation for human consumption (Royal Decree 140/2003) sets a parameter value to the color of 15 mg/l Pt/Co.
The color measurement is made in water by comparison with a standard. The result is often expressed as mg/l of Pt/Co.
Water legislation for human consumption (Royal Decree 140/2003) sets a parameter value to the color of 15 mg/l Pt/Co.
C
Conductivity at 20ºC
Conductivity is used to measure water salinity.
Conductivity indicates the level of dissolved salts by measuring the ability of a solution to carry an electric current, i.e. the larger the number of dissolved salts (chloride, sulphate, bicarbonate, etc), the more conductive water is; therefore, by measuring the conductivity of water, we obtain the degree of water salinity.
Variation in conductivity can result through changes in geology of an area. The natural conductivity of water varies from very low values (50 uS/cm), especially in granite (non- calcareous) areas (North of Spain) to very high values (1000 uS/cm), especially in calcareous areas (East of Spain).
The maximum conductivity level in drinking water recommended is 2000 uS/cm.
Variation in conductivity can result through changes in geology of an area. The natural conductivity of water varies from very low values (50 uS/cm), especially in granite (non- calcareous) areas (North of Spain) to very high values (1000 uS/cm), especially in calcareous areas (East of Spain).
The maximum conductivity level in drinking water recommended is 2000 uS/cm.
EC
E.Coli
E. Coli is a type of fecal coliform bacteria.
E. Coli is an ideal indicator of fecal contamination. It serves as a key indicator of possible water contamination caused by dumping sewage water.
E. Coli concentrations are measured in cfu (colony-forming units) in 100 or 250 ml.
E. Coli concentrations are measured in cfu (colony-forming units) in 100 or 250 ml.
Ol
Odour
organoleptic check of odor in water.
Water intended for human consumption must be completely odorless. If odor is detected in the water, it could indicate possible presence of pollution (organic matter, chemicals, etc.).
The odor is determined sensorially (organoleptic method), the result being expressed in terms of the dilution which sets the threshold of perception (dilution index).
The odor is determined sensorially (organoleptic method), the result being expressed in terms of the dilution which sets the threshold of perception (dilution index).
pH
pH
pH is a measure of how acidic, basic or neutral water is.
pH is a measurement of the acidity or basic quality of water. The pH scale ranges from 0 to 14; a pH of 7 is neutral, a pH less than 7 is acidic and a pH greater than 7 is basic. The pH of natural water hovers between 6.5 and 8.5.
Although pH is not a primary concern for consumers, it is an important water quality parameter. It is associated with the effectiveness of disinfection processes and it can serve as an indicator that contamination may have occurred or that water treatment equipments have been damaged.
pH values in drinking water range from 6.5 to 9.5. The recommended range for pH in swimming-pool water is 7.5; if pH is below 6.0 or above 9.0, it will negatively affect swimmer comfort and pH level should be restored to the optimum range.
Although pH is not a primary concern for consumers, it is an important water quality parameter. It is associated with the effectiveness of disinfection processes and it can serve as an indicator that contamination may have occurred or that water treatment equipments have been damaged.
pH values in drinking water range from 6.5 to 9.5. The recommended range for pH in swimming-pool water is 7.5; if pH is below 6.0 or above 9.0, it will negatively affect swimmer comfort and pH level should be restored to the optimum range.
Sa
Taste
Organoleptic analysis of taste in drinking water.
Tb
Turbidity
Turbidity is a measure of the amount of suspended particles in water.
Water turbidity may be caused by the presence of particles which come from source water. There are various parameters influencing the cloudiness of water. Some of these are inadequate water treatment, biofilm detachment in water distribution systems.
Particles may protect bacteria from disinfection and may encourage bacterial growth.
When water is disinfected, its turbidity level should be low so that the treatment can be effective.
The maximum acceptable level of turbidity for drinking water in distribution systems is 5 NTU.
The recommended level of turbidity in swimming-pool water should be less than 20 NTU. If turbidity is higher than 20 NTU, it will negatively affect swimmer comfort. The optimum level should be below 5 NTU.
Particles may protect bacteria from disinfection and may encourage bacterial growth.
When water is disinfected, its turbidity level should be low so that the treatment can be effective.
The maximum acceptable level of turbidity for drinking water in distribution systems is 5 NTU.
The recommended level of turbidity in swimming-pool water should be less than 20 NTU. If turbidity is higher than 20 NTU, it will negatively affect swimmer comfort. The optimum level should be below 5 NTU.