Assessing the Ecological Risk of Polycyclic Aromatic Hydrocarbons in Sediments at Langkawi Island, Malaysia

Table 3

TOC, OM, and grain size of sediments from Langkawi Island (values are in percentage).

Stations	OM^a	TOC^b	Gravel^c	Sand^c	Silt + Clay^c
Kuah Jetty	11.94	1.50	5.35	93.87	—
Kilim Jetty	19.67	3.17	1.29	98.10	—
Telaga Harbour	11.48	0.66	9.94	90.01	0.15
Porto Malai Jetty	10.26	1.27	9.22	89.72	0.33
Fish farm I-1	16.90	1.13	5.66	93.22	1.02
Fish farm I-2	16.82	0.95	2.85	96.22	0.18
Fish farm I-3	21.56	1.41	—	99.41	0.21
Fish farm II-1	22.41	1.36	—	98.90	0.50
Fish farm II-2	21.39	1.33	0.22	99.09	0.14
Fish farm III	20.49	1.24	—	99.75	0.16

aOM: organic matter; ^bTOC: total organic carbon; ^cclassification of grain size sediment.