GSG Laboratories Pty Ltd

Site

Tamworth Enviro Ag Laboratory

Accreditation No.

20956

Site No.

16871

Date of Accreditation

01 Oct 2024

Address

82 Plain Street
Tamworth, NSW 2340
Australia

gsglabs.com.au

Contact

Ms S Cameron P: +61 (02) 67621733

Availability

Services available to external clients

Scope of Accreditation

Tamworth Enviro Ag Laboratory

ISO/IEC 17025 (2017)

Agribusiness

Service Product Determinant Technique Procedure
Analysis of physical and nutritional characteristics Soils Boron ICP-AES

Rayment and Lyons 12C2 and in-house method ICP-05

Nitrogen Dumas

Rayment and Lyons 7A5 

Calcium - Exchangeable; Magnesium - Exchangeable; Potassium - Exchangeable; Sodium - Exchangeable ICP-AES

Rayment and Lyons 15A1, 15A2, 15C1, 15D3 and in-house method ICP-06

Carbon - Total Dumas

Rayment and Lyons 6B2b

Sulfur - Extractable UV-vis spectrophotometry

in-house method PMS-13

Sulfur - Extractable ICP-AES

Rayment and Lyons 10D1 and in-house method ICP-04

Phosphorus - Total UV-vis spectrophotometry

in-house method PMS-09

Calcium; Magnesium; Potassium; Sodium ICP-AES in-house method ICP-11
pH Electrometric

Rayment and Lyons 4A1, 4B2 and in-house method PMS-04-01, 04-02

Chloride Ion selective electrode (ISE)

in-house method PMS-05

Carbon - Organic Dumas

Rayment and Lyons 6B3

Chloride Discrete analyser (DA) in-house method DAP-06
Texture Visual examination

in-house method PMS-33

Arsenic; Cadmium; Chromium; Lead; Molybdenum; Nickel; Selenium ICP-AES in-house method ICP-11
Nitrogen - Total Kjeldahl (TKN) UV-vis spectrophotometry

in-house method PMS-07

Phosphorus - Available (Bray) UV-vis spectrophotometry

Rayment and Lyons 9E1 and in-house method PMS-11

Phosphorus - Total ICP-AES

in-house method ICP-13

Moisture Gravimetric

AS1289.2.1.1 and in-house method PMS-17

Aluminium - Exchangeable; Conductivity ICP-AES

Rayment and Lyons 15G1 and in-house method ICP-07

Phosphorus - Available (Colwell); Phosphorus - Extractable UV-vis spectrophotometry

Rayment and Lyons 9B1 and in-house method PMS-10

Micronutrients - DTPA extractable copper; Micronutrients - DTPA extractable iron; Micronutrients - DTPA extractable manganese; Micronutrients - DTPA extractable zinc ICP-AES

Rayment and Lyons 12A1 and in-house method ICP-08

Salinity Calculation

in-house method PMS-32

Carbon - Organic UV-vis spectrophotometry

Rayment and Lyons 6A1

Nitrate Discrete analyser (DA) in-house method DAP-03
Phosphorus buffer index (PBI) UV-vis spectrophotometry

in-house method PMS-12

Nitrogen - Nitrate UV-vis spectrophotometry

in-house method PMS-08

Sodium adsorption ratio (SAR, sodium absorption ratio) Calculation in-house method ICP-11
Boron UV-vis spectrophotometry

Rayment and Lyons 12C1 and in-house method PMS-14

Conductivity Electrometric

Rayment and Lyons 3A1 and in-house method PMS-03

ISO/IEC 17025 (2017)

Environment

Service Product Determinant Technique Procedure
Analysis for elements Ground waters; Irrigation and stock waters Phosphorus; Sulfur ICP-AES

in-house method ICP-09

Boron; Calcium; Copper; Iron; Magnesium; Manganese; Potassium; Sodium; Zinc ICP-AES

APHA 3120 B and in-house method ICP-09

Soils Arsenic; Cadmium; Chromium; Lead; Molybdenum; Nickel; Selenium ICP-AES in-house method ICP-15
Potassium ICP-AES in-house method ICP-16, Rayment and Lyons 18A1
Analysis for nutrients Ground waters; Irrigation and stock waters Chloride Discrete analyser (DA) in-house method DAP-07
Nitrogen - Nitrate UV-vis spectrophotometry

in-house method PMW-10

Nitrate Discrete analyser (DA) in-house method DAP-04
Soils Phosphorus - Total UV-vis spectrophotometry

in-house method PMS-09

Nitrogen - Total Kjeldahl (TKN) UV-vis spectrophotometry

in-house method PMS-07

Nitrate Discrete analyser (DA) in-house method DAP-03
Phosphorus - Available (BSES) UV-vis spectrophotometry

Rayment and Lyons 9G1

Chloride Discrete analyser (DA) in-house method DAP-06
Nitrogen Dumas

Rayment and Lyons 7A5 

Nitrogen - Nitrate UV-vis spectrophotometry

in-house method PMS-08

Analysis for physical and chemical characteristics Ground waters; Irrigation and stock waters pH Electrometric

APHA 4500 H B and in-house method PMW-04

Solids - Total dissolved (TDS) Calculation

in-house method PMW-12D

Solids - Total suspended Gravimetric

in-house method PMW-11

Redox potential (EH) Electrometric

APHA 2580 B and in-house method PMW-05

Langelier saturation index Calculation

in-house method PMW-12

Dissolved oxygen (DO) Dissolved oxygen (DO) analyser

APHA 4500 O G and in-house method PMW-02

Hardness - Total Calculation

in-house method PMW-12A

Turbidity Nephelometry

APHA 2130 B and in-house method PMW-01

Sodium carbonate - Residual Calculation

in-house method PMW-12C

Alkalinity Titration

APHA 2320 B and in-house method PMW-07

Chlorine - Free UV-vis spectrophotometry

APHA 4500 Cl G and in-house method PMW-06

Conductivity Electrometric

APHA 2510 B and in-house method PMW-03

Sodium adsorption ratio (SAR, sodium absorption ratio) Calculation in-house method PMW-12
Colour - True UV-vis spectrophotometry

in-house method PMW-08

Soils Chloride Ion selective electrode (ISE)

in-house method PMS-05

Calcium - Exchangeable; Magnesium - Exchangeable; Potassium - Exchangeable; Sodium - Exchangeable ICP-AES

 Rayment and Lyons 15A1, 15A2, 15C1, 15D3 and in-house method ICP-06

Carbon - Organic UV-vis spectrophotometry

Rayment and Lyons 6A1 

pH Electrometric

Rayment and Lyons 4A1, 4B2 and in-house method PMS-04-01, 04-02

Carbon - Total Dumas

Rayment and Lyons 6B2b

Sodium adsorption ratio (SAR, sodium absorption ratio) Calculation in-house method ICP-11
Moisture Gravimetric

AS 1289.2.1.1 and in-house method PMS-17

Phosphorus buffer index (PBI) UV-vis spectrophotometry

 in-house method PMS-12

Aluminium - Exchangeable ICP-AES

 Rayment and Lyons 15G1 and in-house method ICP-07

Carbon - Organic Dumas

Rayment and Lyons 6B3 

Salinity Calculation

in-house method PMS-32

Boron UV-vis spectrophotometry

Rayment and Lyons 12C1 and in-house method PMS-14

Micronutrients - DTPA extractable copper; Micronutrients - DTPA extractable iron; Micronutrients - DTPA extractable manganese; Micronutrients - DTPA extractable zinc ICP-AES

Rayment and Lyons 12A1 and in-house method ICP-08

Boron ICP-AES

Rayment and Lyons 12C2 and in-house method ICP-05

Phosphorus - Total UV-vis spectrophotometry in-house method PMS-23, Rayment and Lyons 9G1
Conductivity Electrometric

Rayment and Lyons 3 A1 and in-house method PMS-03

Ammonium; Nitrogen UV-vis spectrophotometry in-house method PMS-37, Rayment and Lyons 7C1
Effective cation exchange capacity (ECEC) Calculation

 in-house method PMS-15A

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.