Contamination from carbons(PAHs)in Longyan section of Jiulong River was detected using solid-phase extraction(SPE)coupled with gas chromatography-mass spectrometry(GCMS).PAHs concentrations of 12 water samples from four sampling stations at three different times were measured and ranged from 0.571 to 51.769μg/L.The results indicate that the PAHs concentrations obviously vary with time in W2 and W3stations while not significantly in W1 and W4stations,concentrations increase at Mar.2012 due to rainwater scour...