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Table 1 Organochlorine pesticide levels in countries nearby the study area and the world

From: Distribution and fate of HCH isomers and DDT metabolites in a tropical environment–case study Cameron Highlands–Malaysia

Area Country Water Sediment Location Reference
ng/L ng/g
southeast Asia India 2.16–567.49 0.92–813.59 Gomti river [19]
Thailand   4.12 –214.91 Mae Llong river [20]
Thailand 20.87–241.26   Saiburi river [21]
Vietnam <0.5–172.61   red river [22]
Vietnam   0.01–110 Gomti river [23]
the pacific countries Indonesia ND–84.94 ND–444.16 Ciliwung river [24]
Malaysia 23.4–92.9   Selangor river [25]
Singapore 4.90–22.04   coastal marine environment [26]
east Asia Japan 0.94–231.8   rivers in Okinawa island [27]
china 7.68–615.2 23.11–316.5 Qiantang river [28]
16.18–242.4 134–1136 Qiantang river [29]
143.3–5104.8 2.43–86.25 Daya bay [30]
  4.22 – 461 Taihu lake [31]
214.4–1819 28.79–52.07 Minjiang river estuary [32]
Korea   0.99–14.5 the river estuary [33]
Other countries northern Spain   1.8–3.9 coastal environment [34]
  Nigeria ND–3726 0.4–43.5 Lagos lagoon complex [35]