Biodegradation of Weathered Petroleum Hydrocarbons Using Organic Waste Amendments

Figure 5

Soil EC values over 15 weeks of treatment; (a) molasses vs. control; (b) compost vs. control; (c) papermill sludge vs. control; and (d) activated carbon vs. control. M: molasses; C: plant compost; PM: papermill sludge; AC: activated carbon; and CON: control. () indicates that data for the treatment were significantly different ( < 0.05) from the control.

(a)

(b)

(c)

(d)