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Table 2 Result of detected organochlorine pesticide residues in soil samples

From: Assessment of organochlorine pesticide residues in soils and drinking water sources from cocoa farms in Ghana

Sites Nkrankwanta (S1) Diabaa (S2) Krakrom (S3) Kwakuanya (S4) Total mean US MRLs
Pesticides (mg kg−1) Range Mean ± SD Range Mean ± SD Range Mean ± SD Range Mean ± SD Mean ± SD  
Lindane ND–0.03 0.03 ± 0.00 ND ND ND–0.04 0.04 ± 0.00 ND–0.05 0.05 ± 0.00 0.04 ± 0.01 0.04 (Max)
Dieldrin ND ND 0.02–0.03 0.02 ± 0.00 ND–0.02 0.02 ± 0.00 0.01–0.03 0.02 ± 0.01 0.02 ± 0.00 0.02 (Max)
Beta-HCH ND–< 0.01 <0.01 ND–0.03 0.03 ± 0.00 ND–0.05 0.05 ± 0.00 ND–0.04 0.04 ± 0.00 0.03 ± 0.01 0.03 (Max)
p,p′-DDT ND–0.02 0.04 ± 0.02 ND–0.02 0.02 ± 0.00 ND ND ND–0.03 0.03 ± 0.00 0.03 ± 0.01 0.05 (Max)
  1. SD standard deviation, ND not-detected, limit of detection = 0.005 mg/kg, US MRLs United States maximum residue limits for pesticides in agricultural soils