Table 4 Contamination Factor and Pollution Load Index of Petroleum hydrocarbons aggregates.
Rumuodomaya/Rumuodome, Obio-Akpor LGA | Ogale, Eleme LGA | ||||||
|---|---|---|---|---|---|---|---|
Early rain | Mid rain | Late rain | Early rain | Mid rain | Late rain | ||
Aliphatic hydrocarbons | C5–C8 | 0.0140 | 0.0228 | 0.0379 | 0.2238 | 0.0114 | 0.0070 |
C9–C16 | 4.0569 | 176.7060 | 33.9846 | 37.6062 | 25.2815 | 6.1154 | |
C17–C35 | 0.2766 | 17.4918 | 2.5317 | 3.1941 | 27.7680 | 14.9183 | |
C36–C40 | 5.6053 | 0.7951 | 0.1969 | 0.2408 | 2.5299 | 0.6306 | |
Mean CF | 2.4882 | 48.7540 | 9.1878 | 10.3160 | 13.8977 | 5.4178 | |
Σ CF | 9.9527 | 195.0160 | 36.7510 | 41.2648 | 55.5908 | 21.6713 | |
PLI | 0.5444 | 2.7350 | 0.8954 | 1.5949 | 2.1211 | 0.7976 | |
Aromatic hydrocarbons | C5–C8 | 0.3223 | 0.5254 | 0.8754 | 5.1638 | 0.2630 | 0.1623 |
C9–C16 | 10.5480 | 459.4360 | 88.3600 | 97.7760 | 65.7320 | 15.9000 | |
C17–C35 | 13.8300 | 874.5900 | 126.5850 | 159.7050 | 1388.4000 | 745.9100 | |
C36–C40 | 280.2600 | 39.7560 | 9.8455 | 12.0380 | 126.4940 | 31.5280 | |
Mean CF | 76.2410 | 343.5770 | 56.4165 | 68.6707 | 395.2220 | 198.3763 | |
Σ CF | 304.9600 | 1374.3070 | 225.6660 | 274.6830 | 1580.8900 | 793.5053 | |
PLI | 10.7140 | 53.8240 | 17.6205 | 31.3884 | 41.74260 | 15.6957 | |
