Esso Australia Pty Ltd


Longford Gas Processing Laboratory

Accreditation No.


Site No.


Date of Accreditation

29 Dec 1969


Garretts Road
Longford, VIC 3851


Mr Jordan Fenech P: +61 (03) 51434026


Services conditionally available to external clients

Scope of Accreditation

Longford Gas Processing Laboratory

ISO/IEC 17025 (2017)


Service Product Determinant Technique Procedure
Analysis for physical and chemical characteristics Bore waters; Ground waters; Sewage; Trade wastes pH Electrometric

APHA 4500-H+

Ground waters; Sewage; Trade wastes Dissolved oxygen (DO) Dissolved oxygen (DO) analyser

BS ISO 17289

Sample collection Ground waters; Sewage; Trade wastes; Waste waters Not applicable Grab

AS 5667.1

ISO/IEC 17025 (2017)


Service Product Determinant Technique Procedure Limitations
Analysis of biofuels, hydrocarbon fuels and related fuel products Crude oil Apparent relative density; Density Density meter

ASTM D4052 and ASTM D5002

2,2-Dimethylpropane (neopentane); 2-Methylbutane (isopentane); Butane (n-butane); Ethane; Isobutane; Methane; Pentane (n-pentane); Propane GC-FID

In-house method GL1

Natural gas 2,2-Dimethylpropane (neopentane); 2-Methylbutane (isopentane); Butane (n-butane); Carbon dioxide (CO2); Ethane; Isobutane; Methane; Nitrogen; Oxygen; Pentane (n-pentane); Propane GC-FID; GC-TCD

ASTM D1945

Sample collection Biofuels, hydrocarbon fuels and related fuel products Not applicable Evacuated container method; Floating piston cylinder GPA 2166, in-house method LPM 2.1.3 NGERS Acid gas sampling. ASTM D3700 including low pressure sampling at less than 103 kPa

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