. 2019 Jan 7;16(1):146. doi: 10.3390/ijerph16010146

Table 2.

Comparison of concentrations of organochlorine pesticides (ng g⁻¹) with previous studies.

Study Site/Place	Sample Types	Number of OCP	OCPs	Concentration	Reference
Iran	Sediment	8	DDT and DDE	8.66	[47]
China, Wuhan	Surface water	8	OCP (summer)	5.61–13.62	[15]
China, Wuhan	Surface water	8	OCP (winter)	3.18–7.73	[15]
Taihu Lake, China	Sediment	8	DDTs	53.9	[13]
Taihu Lake, China	Sediment	8	HCHs	1.67	[13]
Xinghua Bay Southeast China	Soil	12	HCHs	3.61 ± 1.76	[40]
Xinghua Bay Southeast China	Soil	12	DDTs	8.19 ± 7.28	[40]
Tianjin, China	Soil	8	HCHs	666	[48]
Tianjin, China	Soil	8	DDTs	73.9	[48]
CauBay River, Vietnam	Soil	8	HCHs	6.94	[39]
CauBay River, Vietnam	Soil	8	DDTs	85.24	[39]
Yangtze River, China	Sediment	8	HCHs	1.58	[23]
Yangtze River, China	Sediment	8	DDTs	8.97	[23]
East Central China	Sediments	8	HCHs	2.12 ± 1.08	[49]
East Central China	Sediments	8	DDTs	11.02 ± 5.11	[49]
Lahore city, Pakistan	Soil	9	HCHs	34.28	[44]
Lahore city, Pakistan	Soil	9	DDTs	52.56	[44]
Honghu Lake, China	Sediments	8	HCHs	7.72	[24]
Honghu Lake, China	Sediments	8	DDTs	9.19	[24]
Yellow River, China	Sediments	10	HCHs	16.45	[50]
Yellow River, China	Sediments	10	DDTs	2.04	[50]
Pearl River, South China	Paddy soil	8	HCHs	0.00–10.5	[51]
Pearl River, South China	Paddy soil	8	DDTs	2.23–232	[51]
Beijing, China	Soil	8	HCHs	32	[52]
Beijing, China	Soil	8	DDTs	38	[52]
Huangpi, China	Soil (0–10 cm)	8	HCHs	2.52	This study
	Soil (0–10 cm)	8	DDTs	1.63
	Soil (0–10 cm)	8	HCHs	8.62
	Soil (0–10 cm)	8	DDTs	1.44