Figure 6. Star Plot depicting TPH ratios for the five sample locations

From

Aliphatic Hydrocarbon Fingerprints of Some Crude Oil Polluted Soils from Niger Delta, Nigeria

Udeh Ogochukwu Vivian, Osuji Leo C., Achugasim Ozioma

Chemical Engineering and Science. 2018, 5(1), 1-5 doi:10.12691/ces-5-1-1