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Table 2 Concentrations of organochlorine pesticides in plots from Hidalgo, Mexico

From: Presence of organochlorine pesticides in xoconostle (Opuntia joconostle) in the central region of Mexico

Compounds Plots (ng/g)
1 2 3 4 5
Alpha HCH 0.10 ± 0.02* LD LD LD 0.10 ± 0.06
Beta HCH 0.18 ± 0.08 LD LD LD 0.20 ± 0.09
Gamma HCH 0.18 ± 0.07 LD 0.18 ± 0.09 LD 0.23 ± 0.14
Delta HCH LD LD LD 0.27 ± 0.12 0.21 ± 0.09
Heptachlor 0.60 ± 0.09 LD LD 0.45 ± 0.15 0.50 ± 0.28
Aldrin 0.43 ± 0.10 LD LD LD 0.55 ± 0.19
Epoxide of heptachlor 0.37 ± 0.11 LD LD 0.22 ± 0.06 LD
Endosulfan I 0.20 ± 0.05 LD LD LD LD
p,p’-DDE 0.19 ± 0.05 LD LD 0.72 ± 0.35 LD
Dieldrin LD LD LD 0.18 ± 0.08 LD
Endrin 0.16 ± 0.09 LD LD 0.25 ± 0.11 LD
Endosulfan II LD LD LD 0.13 ± 0.07 LD
p,p’-DDD LD LD LD 0.18 ± 0.08 LD
Endrin aldehyde LD LD LD 0.43 ± 0.25 LD
Endosulfan sulfate LD LD LD LD LD
p,p’-DDT LD LD LD 0.30 ± 0.06 LD
Total 2.41 ± 0.66 LD 0.18 ± 0.09 3.13 ± 1.33 1.79 ± 0.85
  1. Note: LD below of limit of detection, *Standard deviation σ