Total Petroleum Hydrocarbons (TPH) in Soils by GC-FID
UKAS & MCERTS accredited: Total petroleum hydrocarbons in the range C6–C40
UKAS accredited: Gasoline Range Organics (GRO), Diesel Range Organics (DRO)
Optional carbon banding is available.
Methodology – Extraction of an as received soil sample, following chemical drying with sodium sulphate, into dichloromethane followed by determination of total petroleum hydrocarbons by gas chromatography using flame ionisation detection (GC-FID).