Multiple biomarker responses in caged benthic gastropods Bellamya aeruginosa after in situ exposure to Taihu Lake in China

Environmental Sciences Europe

Table 1 Chemical analysis of surface sediments collected from the caging sites A and B in the Taihu Lake

Parameters		Site A	Site B	TEL^a	PEL^b
TOC (%)		0.77	1.29
Metals (mg/kg)	Cr	34.17	28.99	37.30	90.00
	Cu	39.49	17.72	35.70	197.00
	Pb	24.15	23.85	35.00	91.30
	Ni	21.40	16.89	18.00	36.00
	Zn	99.00	62.47	123.00	315.00
	Cd	0.20	0.16	0.60	3.53
	As	6.77	5.04	5.90	17.00
OCPs-DDTs (ng/g dw)	2,4′-DDD	0.36	0.01
	2,4′-DDE	0.001	0.13
	4,4′-DDD	0.001	0.04	3.54	8.51
	4,4′-DDE	3.45	1.68	1.42	6.75
	4,4′-DDT	0.45	0.13
OCPs-HCHs (ng/g dw)	α-HCH	0.001	0.01
	β-HCH	0.54	0.01
	γ-HCH	0.64	0.04	0.94	1.38
	δ-HCH	32.03	0.001
Other OCPs (ng/g dw)	Aldrin	0.001	0.001
	HCB	0.001	0.06
	PCA	0.57	0.01
	Diedrin	1.15	0.01
	α-Endosulfan	0.001	0.01
	β-Endosulfan	0.001	0.001
	Endrin	0.001	0.01	2.67	62.4
	Heptachlor	0.001	0.001
	cis-heptachlor epoxide	0.001	0.01
	trans-heptachlor epoxide	0.001	0.02
	Methoxychlor	1.32	0.001
	Mirex	0.001	0.05
PCBs (ng/g dw)	CB18	3.43	0.13
	CB31 + 28	3.10	0.02
	CB44	9.31	0.02
	CB52	0.001	0.03
	CB101	0.001	0.001
	CB138	0.21	0.05
	CB153	0.84	0.001
	CB180	0.54	0.05
	CB183	0.001	0.03
	CB194	0.33	0.02
	CB209	0.001	0.001
PBDEs (ng/g dw)	BDE85	0.001	0.001
	BDE154	0.000	0.01
	BDE153	0.01	0.01
	BDE183	0.02	0.01
	BDE202	0.001	0.001
	BDE201	0.02	0.01
	BDE204	0.001	0.001
	BDE197	0.001	0.01
	BDE (198 + 199 + 200 + 203)	0.000	0.000
	BDE196	0.03	0.01
	BDE205	0.000	0.01
	BDE194	0.02	0.04
	BDE195	0.001	0.15
	BDE208	0.07	0.02
	BDE207	0.001	0.02
	BDE206	0.14	0.03
	BDE209	0.35	0.36
	BDE47	0.001	0.01
	BDE66	0.01	0.001
	2-MeO-BDE68	0.001	0.001
	2-MeO-BDE47	0.001	0.001
	BDE100	0.001	0.001
	BDE99	0.001	0.01
ΣDDTs (ng/g dw)		4.26	1.99	7.00	4450.00
ΣOCPs (ng/g dw)		40.50	2.22
ΣPCBs (ng/g dw)		17.76	0.35	34.1	277
ΣPBDEs (ng/g dw)		0.67	0.71

Detected concentrations are presented in plain type. Values in italic type mean not detected and are presented by limit of detection (LOD). Dw dry weight
^a Threshold effect level (Smith et al. [56])
^b Probable effect level (Smith et al. [56])