National Association of Testing Authorities, Australia
Scope of Accreditation
Tasmanian Water & Sewage Corporation Pty Ltd t/a TasWater - Selfs Point Laboratory
Site
Selfs Point Laboratory
Accreditation No.
19462
Site No.
15678
Date of Accreditation
23 May 2007
Contact
Availability
Services conditionally available to external clients
Scope of Accreditation
ISO/IEC 17025 (2017)
Environment
| 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 | ||
| 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 | ||
| Ground waters; Potable waters; Sewage; Trade wastes | Biochemical oxygen demand (BOD) | Direct reading instrument | in-house method TWL-1752, TWL-1753 |
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.
Accreditation No.
19462
Site No.
15678
Print date
05 Jul 2025