reduction
Figure 5:Biodegradation pattern of some PAHs in crude oil contaminated soil incubated with P. sajor-caju during weekly incubation periods (% reduction in concentration for fluoranthene=31.1–59.9%; benzo(a)pyrene=32.1-61.7%; benzo(g,h,i)perylene=19.0-44.4%; dibenzo(a,h)anthracene=20.0-57.1%).