Test results

 

Type of
contamination
Amount Result Method Detection limit Test by
Bacteria 14 000 (after 7 days) BDL Membrane filter count - National Bacteriologic Laboratory, Stockholm
Chlorine 3.4 mg/l BDL Photometric analysis
(Perkin Elmer)
< 0.01 mg/l Water Protection Ass of South West Finland
Salt water 31 000 ppm BDL Ion chromatography < 1 ppm VBB Viak Stockholm
Trihalomethanes 1 000 µg/l BDL Gas chromatography < 1 µg/l University of Turku, Finland
Radon 380 Bq/l BDL Alfa detection < 4 Bq/l Swedish Radiation Protection Institute
Cesium
Strontium
Plutonium
Radium
2.4 Bq BDL Lithium Drifted
Germanium Detector
< 0.1 Bq Radiation Physics Department, Univ of Lund
Arsenic +3 10 mg/l BDL AAS Graphite < 0.003 mg/l Analytica AB, Stockholm
Arsenic +5 10 mg/l BDL AAS Graphite < 0.003 mg/l Analytica AB, Stockholm
Ag nanoparticles 3100 µg /l BDL HPLC < 2 µg /l IVL Swedish Environmental Research Institute
SiO2 10000 µg /l BDL AAS < 5 µg /l Vattenfall AB, Stockholm
Setralin and 20 other pharmaceutical residuals 4 ng/l BDL HPLC < 0.8 ng/l IVL Swedish Environmental Research Institute

BDL = below detection limit

 

 

Type of
Contamination
Sources of Contaminant in Drinking Water Potential Health
Effects from Ingestion of Water
Reduction
with HVR
Chlorine Disinfectants Eye/nose irritation, stomach discomfort, anaemia. Infants & young children: nervous system effects. 100%
Trihalomethanes
Chloroform 
Bromoform
Bromodichloromethane
Dibromochloromethane
Disinfection by-products. Increased risk of cancer. Liver, kidney or central nervous system problems. >95%
Microorganisms
Cryptosporidium
Giardia lambila
E.Coli
Human and animal faecal waste. Gastrointestinal illness (e.g. diarrhoea, vomiting, cramps).
(There have been deaths caused by Cryptosporidium or E.Coli bacteria in water.)
100%
Viruses, parasites Human and animal faecal waste. Same as above. Can also cause nausea and associated headaches. 100%
VOC’s
Volatile Organic
Chemicals
Mainly herbicide runoff or discharge from chemical plants/factories. Cancer, kidney, liver and brain damage. Damage to the nervous, reproductive and immune systems. >85%*
BTX
Benzene
Discharge from factories, leaching from gas storage tanks and landfills. Anaemia, decrease in blood pla­telets, increased risk of cancer. >80%
Radon Natural gases, (radioactive) element found in bedrock. Increased risk of cancer. 100%
Smell     100%
Color     100%

*The average reduction of 26 tested volatile organic compounds