Ultrasonication extraction and solid phase extraction clean-up for determination of US EPA 16 priority pollutant polycyclic aromatic hydrocarbons in soils by reversed-phase liquid chromatography with ultraviolet absorption detection1Presented in part at FACSS, the 23rd Annual Conference of the Federation of Analytical Chemistry and Spectroscopy Societies, Kansas City, MO, USA, 29 September–4 October 1996.1Fu‐Sheng Sun, Mark D. Gibson, David Littlejohn|Analytica Chimica Acta|1998Cited by 206