Central Laboratory (Main Laboratory) 
                                        
 Name Designation  Official/Fax No. Mobile No.
 Mr. L.P.R.J. Wijesinghe  AGM(Laboratory Services)  (+94) 112 611133  (+94) 77 7250375
 Ms. K.W.B.U. Wanniarachchi  Senior Chemist  (+94) 112 611133  (+94) 71 4455213
 Ms. H.I.L. Geeganage  Chemist  (+94) 112 611133  (+94) 77 3888943
 Mr. A.G.H. Vishwajith  Chemist  (+94) 112 611133  (+94) 77 2207226
 Mr. K.L.U. Maithreepala  Chemist  (+94) 112 611133  (+94) 77 8298615


Contact Numbers of Laboratory Network
 (Click Here...)

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Laboratory Rates / Charges

Analytical Services have been fronted to the outside customers with the cost recovery basis and the test rates are as follows  

Laboratory Rates / Charges (Click Here..)

For noncommercial purpose 25% discount will be granted for laboratory testing according to the circular issued by the General Manager. It is applied for the selected non commercial purposes.

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Laboratories in Islandwide

ISO 17025:2005 Accredited Laboratories

• Central Laboratory            : Water Treatment Chemicals – Alum & Lime
• W/P Ambatale Laboratory  : Water Treatment Chemicals – Alum & Lime
                                           Water - Electrical Conductivity, pH, Turbidity
• Western South Laboratory : Water - pH, Turbidity, Electrical Conductivity, Chloride, Hardness,
                                           Total Alkalinity,Total Iron , Fluoride , Sulphate, Free Ammonia
                                          Microbiology – Total Coliform & E.coli
• Vavuniya Laboratory         : Water - Electrical Conductivity, pH, Turbidity, Chloride, Hardness
• Jaffna Laboratory             : Water - Electrical Conductivity, pH, Turbidity, Chloride, Hardness

Facilities available in NWS&DB laboratories

As Central Environmental Authority registered laboratories, Central laboratory and other Regional Laboratories are providing services for public by analyzing wastewater and also have facility to test other parameters as given bellow.

Laboratory network with contact details (Click Here..) 

Bacteriological, Physical, Organoleptic, Chemical and Toxic Analysis

Bacteriological Analysis

  • Total Coliform
  • E. coli
  • Total Plate Counts

Physical and Organoleptic requirements

• Color                                                 • Odour                                          • Taste
• Turbidity                                            • pH 

Chemical requirements

• Aluminium • Free Ammonia • Albuminoid Ammonia
• Anionic detergents • Calcium • Chloride
• Chemical Oxygen Demand (COD) • Copper                                  • Fluoride                             
• Free residual chlorine • Iron                                   • Magnesium
• Manganese • Nitrate • Nitrite
• Nickel • Oil and grease • Phenolic compounds
• Sodium • Sulphate • Total alkalinity
• Total dissolved solids • Total hardness • Total phosphate
• Zinc    

Toxic substances

• Arsenic                                              • Cadmium                                     • Cyanide
• Lead                                                 • Mercury                                       • Selenium
• Chromium    

Algal toxins

• Microcystins
• Cylindrospermopsin

 

 

 

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Analysis of Water Quality Data in Island wide

Water Quality Consultancy

  • Consumers
  • Bottle Water Industries
  • Government/ Private Industries/ Factories
  • Wastewater Management

 

Support Services

  • Disaster managements
  • Providing analytical data for academic and other purposes

 

Training and Awareness Programme

  • School Children
  • Public Sectors
  • Government Employees
  • Board Employees
  • Undergraduates

 

Incident Management

  • Technical Support
  • Water Sample Analysis
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