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

Table 7

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

Pollutant	Site	Max. value (𝜇g/L)	Month	PAF
				All species	Vertebrates	Invertebrates	Fishes	Crustaceans	Insects and spiders
p,p′-DDT	MS	1.145𝐸−3	8	9.797𝐸−15	6.536𝐸−88	8.683𝐸−11	5.427𝐸−130	9.655𝐸−07	1.537𝐸−71
	ZM	1.067𝐸−3	10	6.248𝐸−15	2.650𝐸−91	6.476𝐸−11	1.628𝐸−135	8.485𝐸−07	2.397𝐸−74
	JC	3.700𝐸−4	10	6.117𝐸−18	2.285𝐸−161	7.220𝐸−13	2.590𝐸−253	1.213𝐸−07	1.100𝐸−132
	TX	4.967𝐸−4	10	4.326𝐸−17	1.040𝐸−137	2.561𝐸−12	7.684𝐸−213	2.086𝐸−07	6.401𝐸−113
γ-HCH	MS	1.770𝐸−3	2	1.333𝐸−10	5.887𝐸−08	2.691𝐸−43	4.167𝐸−08	5.447𝐸−79	4.983𝐸−16
	ZM	1.467𝐸−3	2	7.530𝐸−11	4.361𝐸−08	4.212𝐸−47	3.066𝐸−08	4.093𝐸−87	1.889𝐸−16
	JC	2.833𝐸−4	6	4.853𝐸−13	3.145𝐸−09	6.840𝐸−99	2.086𝐸−09	6.763𝐸−206	3.784𝐸−20
	TX	1.053𝐸−3	2	2.738𝐸−11	2.567𝐸−08	1.134𝐸−54	1.783𝐸−08	1.417𝐸−103	3.400𝐸−17
Heptachlor	MS	1.087𝐸−3	2	1.639𝐸−08	2.143𝐸−11	2.110𝐸−06	4.072𝐸−12	4.337𝐸−14	0.000𝐸+00
	ZM	4.867𝐸−4	2	2.598𝐸−09	1.697𝐸−12	5.466𝐸−07	2.672𝐸−13	1.618𝐸−15	0.000𝐸+00
	JC	6.300𝐸−4	1	4.695𝐸−09	3.832𝐸−12	8.435𝐸−07	6.409𝐸−13	4.651𝐸−15	0.000𝐸+00
	TX	4.400𝐸−4	1	2.062𝐸−09	1.235𝐸−12	4.613𝐸−07	1.898𝐸−13	1.070𝐸−15	0.000𝐸+00
Aldrin	MS	1.201𝐸−2	9	7.246𝐸−14	6.996𝐸−07	2.440𝐸−14	7.111𝐸−07	2.796𝐸−14	5.407𝐸−09
	ZM	1.222𝐸−2	9	8.041𝐸−14	7.338𝐸−07	2.707𝐸−14	7.459𝐸−07	3.102𝐸−14	5.769𝐸−09
	JC	2.140𝐸−3	5	2.320𝐸−18	6.112𝐸−09	7.810𝐸−19	6.124𝐸−09	8.948𝐸−19	8.570𝐸−12
	TX	7.313𝐸−3	9	3.694𝐸−15	1.790𝐸−07	1.244𝐸−15	1.812𝐸−07	1.425𝐸−15	8.466𝐸−10
Endrin	MS	3.225𝐸−4	7	1.217𝐸−21	7.812𝐸−21	8.840𝐸−22	1.732𝐸−20	0.000𝐸+00	1.808𝐸−21
	ZM	3.667𝐸−4	5	2.630𝐸−21	1.688𝐸−20	1.911𝐸−21	3.744𝐸−20	0.000𝐸+00	3.907𝐸−21
	JC	3.000𝐸−5	10	7.885𝐸−28	5.062𝐸−27	5.728𝐸−28	1.123𝐸−26	0.000𝐸+00	1.171𝐸−27
	TX	9.000𝐸−5	9	5.748𝐸−25	3.690𝐸−24	4.176𝐸−25	8.183𝐸−24	0.000𝐸+00	8.539𝐸−25