FIG. 1.
Degradation of benzene and xylene during incubation of groundwater for SIP. Closed squares, benzene under denitrifying conditions; open squares, xylene under denitrifying conditions; closed triangles, benzene under sulfidogenic conditions; open triangles, xylene under sulfidogenic conditions; closed circles, benzene under aerobic conditions; open circles, xylene under aerobic conditions. Data points are means of triplicate experiments, and error bars represent standard deviations.