Source and Ecological Risk Characteristics of PAHs in Sediments from Qinhuai River and Xuanwu Lake, Nanjing, China

Table 6

The second set of SQGs values (TEL and PEL) for PAHs (ng/g d.w.) and relative percentage of sites including the range of Sediment Quality Guidelines.

Compound	SQG (ng/g)		Autumn (% of sites)			Winter (% of sites)			Spring (% of sites)			Summer (% of sites)
	TEL	PEL	<TEL	TEL–PEL	>PEL	<TEL	TEL–PEL	>PEL	<TEL	TEL–PEL	>PEL	<TEL	TEL–PEL	>PEL
Nap	34.6	391	—	31	69	—	100	—	17	8	75	79	—	21
Ace	5.87	128	23	—	—	54	46	—	—	92	8	21	79	—
Flu	21.2	144	8	84	8	—	62	38	—	92	8	64	36	—
Phe	86.7	544	8	54	38	8	77	15	8	84	8	71	29	—
Ant	46.9	245	8	77	15	31	69	—	58	34	8	93	7	—
Fla	113	1494	85	15	—	100	—	—	92	8	—	100	—	—
Pyr	153	1398	100	—	—	100	—	—	92	8	—	86	14	—
BaA	75	693	31	69	—	23	77	—	25	75	—	29	71	—
Chr	108	846	8	77	15	31	69	—	67	33	—	21	79	—
BaP	88.8	763	46	54	—	23	77	—	33	59	8	93	7	—
Total PAHs	1684	11770	23	77	—	85	15	—	67	33	—	86	14	—