Tasmanian Water & Sewage Corporation Pty Ltd t/a TasWater - Selfs Point Laboratory


Selfs Point Laboratory

Accreditation No.


Site No.


Date of Accreditation

23 May 2007


Selfs Point WWTP, Selfs Point Road
New Town, TAS 7008



Ms Rachel Gill P: +61 0499816631


Services conditionally available to external clients

Scope of Accreditation

Selfs Point Laboratory

ISO/IEC 17025 (2017)


Service Product Determinant Technique Procedure
Analysis for microorganisms Estuarine waters; Marine waters; Potable waters; Purified and processed waters; Recycled waters; Sewage; Swimming pool and spa waters Plate count Defined substrate technology

APHA 9215E (in-house method TWL3811)

Enterococci Defined substrate technology

in-house method TWL3810

Escherichia coli​​​​; Coliforms Defined substrate technology

AS 4276.21 (in-house method TWL-3809)

Enterococci Membrane filter

AS 4276.9 (in-house method TWL-3804)

Escherichia coli​​​​; Coliforms Membrane filter

AS 4276.5 (in-house method TWL-3813)

Analysis for nutrients Ground waters; Potable waters; Saline waters; Sewage; Trade wastes Nitrogen - Total Kjeldahl (TKN) Calculation

in-house method TWL-3716

Nitrogen - Total oxidised Discrete analyser (DA)

in-house method TWL-3713

Phosphorus - Total Discrete analyser (DA)

in-house method TWL-3714

Phosphorus - Ortho Discrete analyser (DA)

in-house method TWL-3715

Nitrogen - Total Discrete analyser (DA)

in-house method TWL-3712

Ground waters; Potable waters; Sewage; Trade wastes Nitrogen - Ammonia Discrete analyser (DA)

in-house method TWL-3717

Analysis for physical and chemical characteristics Ground waters; Potable waters; Saline waters; Sewage; Trade wastes Fluoride Ion selective electrode (ISE)

in-house method TWL-3706

Chemical oxygen demand (COD) Colourimetry

in-house method TWL-3755

Solids - Suspended Filtration

in-house method TWL-3509

pH Electrometric

in-house method TWL-3707

Solids - Dissolved Calculation

in-house method TWL-3503

Biochemical oxygen demand (BOD) Direct reading instrument

in-house method TWL-1752, TWL-1753

Conductivity Direct reading instrument

in-house method TWL-3503

Oil and grease Infrared (IR)

in-house method TWL-1757

Alkalinity Titration

in-house method TWL-3501

Salinity Calculation

in-house method TWL-3503 (calculation from conductivity measurement)

Turbidity Nephelometry

in-house method TWL-3513

The only data displayed is that deemed relevant and necessary for the clear description of the activities and services covered by the scope of accreditation.

Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.