Research Article

Organochlorine Pesticide Residues in Sediments and Waters from Cocoa Producing Areas of Ondo State, Southwestern Nigeria

Table 3

Mean concentration (μg/g) of OCPs in sediment samples of some rivers in Ondo State during the wet season.

AnalytesAgooOseAlaOluwaOgbeseOniAponmuOsunOpaOwena-OsunOwena-Ondo

HCBNDND ND NS
α-BHCNDNDND ND ND ND NS
β-BHCNDNDND ND ND ND NS
γ-BHCNDNDND ND NS
HeptachlorNDNDND NDND ND NS
AldrinNDNDND NDNDNDNDND ND NS
Trans-chlordane ND NDND ND NS
Cis-chlordaneNDND ND ND ND NS
α-endosulfanNDND ND ND ND NS
β-endosulfan ND ND ND ND NS
p,p′-DDENDND ND NS
o,p′-DDD NDND NDND ND ND NS
p,p′-DDD ND NDND ND ND NS
p,p′-DDT ND ND ND NS
Dieldrin NS
EndrinNDND NDND NDND NS

in the same column followed by the same alphabets are not significantly different at using the new Duncan Multiple Range Test, NS: no sample, ND: not detected.