Component   1 2 3 Chloride 0.7     COD 0.62 -0.364 -0.16 BOD 0.62 -0.236   TDS 0.57 0.229 0.391 Nitrate   0.814   pH 0.219 -0.76 0.111 TSS 0.134 0.172 -0.91 TS 0.381 0.423 0.58 Extraction method: principal component analysis Rotation method: varimax with Kaiser normalization aRotation converged in 8 iterations

Table 5: Rotated component Matrixa of physico-chemical parameters of untreated wastewater.