Organophosphorus pesticide residues in soils and drinking water sources from cocoa producing areas in Ghana

Environmental Systems Research

Table 4 Values of Pearson’s correlation between water physicochemical parameters and pesticide residues detected

	EC	pH	TDS	Temp	TSS	Turbidity	NO₃ ⁻	NH₃	PO₄ ³⁻	Na⁺	K⁺
Diazinon	0.984**	0.977*	0.978*	−0.116	0.981**	−0.106	−0.274	0.997**	−0.031	0.303	0.064
Chlorpyrifos	0.748*	0.286	0.745*	0.140	0.027	0.136	−0.368	0.271	−0.032	0.739*	0.474
Pirimisphos-methyl	−0.437	0.614*	−0.433	−0.806**	0.057	0.449	−0.368	0.307	0.820**	−0.382	0.935**

Temp temperature, EC electrical conductivity, TDS total dissolved solids, TSS total suspended solids, PO₄ ³⁻ phosphate, NO₃ ⁻ nitrate, NH₃ ammonia
* Correlation is significant at the 0.05 level (2-tailed)
** Correlation is significant at the 0.01 level (2-tailed)