Residues, Distributions, Sources, and Ecological Risks of OCPs in the Water from Lake Chaohu, China

Table 6

The spatial variation of the mean ecological risk of typical OCPs (PAF).

Pollutant	Site	Mean value (𝜇g/L)	PAF
			All species	Vertebrates	Invertebrates	Fishes	Crustaceans	Insects and spiders
p,p′-DDT	MS	3.556𝐸−4	4.692𝐸−18	7.440𝐸−165	6.083𝐸−13	2.494𝐸−259	1.128𝐸−07	1.329𝐸−135
	ZM	2.897𝐸−4	1.187𝐸−18	4.218𝐸−184	2.503𝐸−13	9.462𝐸−293	7.730𝐸−08	9.952𝐸−152
	JC	2.237𝐸−4	2.072𝐸−19	1.247𝐸−211	8.114𝐸−14	0.000𝐸+00	4.799𝐸−08	7.572𝐸−175
	TX	3.470𝐸−4	3.983𝐸−18	4.823𝐸−167	5.472𝐸−13	4.123𝐸−263	1.078𝐸−07	1.957𝐸−137
γ-HCH	MS	1.940𝐸−4	1.508𝐸−13	1.717𝐸−09	2.159𝐸−117	1.123𝐸−09	4.103𝐸−251	5.312𝐸−21
	ZM	1.911𝐸−4	1.440𝐸−13	1.676𝐸−09	3.391𝐸−118	1.096𝐸−09	4.184𝐸−253	4.913𝐸−21
	JC	1.555𝐸−4	7.615𝐸−14	1.205𝐸−09	8.951𝐸−130	7.825𝐸−10	5.199𝐸−282	1.686𝐸−21
	TX	2.282𝐸−4	2.490𝐸−13	2.226𝐸−09	4.571𝐸−109	1.465𝐸−09	1.286𝐸−230	1.233𝐸−20
Heptachlor	MS	1.436𝐸−4	1.582𝐸−10	3.606𝐸−14	7.024𝐸−08	4.264𝐸−15	1.094𝐸−17	0.000𝐸+00
	ZM	1.603𝐸−4	2.036𝐸−10	5.102𝐸−14	8.450𝐸−08	6.191𝐸−15	1.717𝐸−17	0.000𝐸+00
	JC	2.039𝐸−4	3.535𝐸−10	1.090𝐸−13	1.266𝐸−07	1.400𝐸−14	4.595𝐸−17	0.000𝐸+00
	TX	1.176𝐸−4	1.001𝐸−10	1.920𝐸−14	5.020𝐸−08	2.166𝐸−15	4.831𝐸−18	0.000𝐸+00
Aldrin	MS	2.446𝐸−3	5.172𝐸−18	8.825𝐸−09	1.741𝐸−18	8.852𝐸−09	1.995𝐸−18	1.412𝐸−11
	ZM	2.412𝐸−3	4.755𝐸−18	8.492𝐸−09	1.601𝐸−18	8.517𝐸−09	1.835𝐸−18	1.340𝐸−11
	JC	7.304𝐸−4	3.667𝐸−21	3.186𝐸−10	1.235𝐸−21	3.164𝐸−10	1.415𝐸−21	1.542𝐸−13
	TX	2.580𝐸−4	7.123𝐸−24	1.825𝐸−11	2.398𝐸−24	1.797𝐸−11	2.748𝐸−24	3.154𝐸−15
Endrin	MS	8.664𝐸−5	4.575𝐸−25	2.937𝐸−24	3.324𝐸−25	6.513𝐸−24	0.000𝐸+00	6.796𝐸−25
	ZM	1.177𝐸−4	2.876𝐸−24	1.846𝐸−23	2.089𝐸−24	4.094𝐸−23	0.000𝐸+00	4.272𝐸−24
	JC	3.000𝐸−5	7.885𝐸−28	5.062𝐸−27	5.728𝐸−28	1.123𝐸−26	0.000𝐸+00	1.171𝐸−27
	TX	7.348𝐸−5	1.703𝐸−25	1.093𝐸−24	1.237𝐸−25	2.424𝐸−24	0.000𝐸+00	2.529𝐸−25