Aliphatic/Aromatic Petroleum Hydrocarbons in Soils by GCxGC-FID

SOP: 2680

UKAS accredited; MCERTS accredited

UKAS accredited: all bands  in the range C8–C40

MCERTS accredited: all bands in the range C8–C35

aliphatic banding: >C5–C6, >C6–C8,>C8–C10, >C10–C12, >C12–C16, >C16–C21, >C21– C35, >C35– C44

aromatics banding: >C5–C7, >C7–C8, >C8–C10, >C10–C12, >C12–C16, >C16– C21,  >C21– C35, >C35– C44

Methodology – Extraction of an as received soil sample, following chemical drying with sodium sulphate, into dichloromethane followed by determination of total petroleum hydrocarbons by two dimensional gas chromatography using flame ionisation detection (GCxGC-FID).

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A number of different publications and standards cite sulphate methods. BR279 (1995) has largely been superseded by analytical procedures as detailed in TRL 447 and BRE Special Digest:1 2005 3rd Edition. In addition further reference may be made to BS EN 144-1:2009 + A1:2012 for the testing of aggregates and BS 1377:2018 for soils for civil engineering purposes.

Testing to meet the requirements of UKWIR Report Ref. No. 10/WM/03/21 Guidance for the selection of water supply pipes to be used in brownfield sites.

Testing & reporting is undertaken in accordance with BS 3882:2015 Specification for topsoil and BS 8601:2013 Specification for subsoil and requirements for use

All Asbestos Methods