a solution and process of the present invention is illustrated by a fourth example with respect to the public facility 70 shown in schematic section in fig4 having a solid cement surfaced parking lot 72 near the building 74 the cement surface 72 was contaminated with an organic compound i e vegetable oil 76 from a spilled cooking container but contained by a boundary 78 made of an absorbent material approximately 0 95 liters 0 25 gallons of oil was in the spill area in this fourth example approximately 38 liters 10 gallons of water was sprayed on the oil 76 1 8 kilograms 4 pounds of sodium percarbonate were then added to the sprayed water on the oil resulting in the placement of a peroxygen compound i e hydrogen peroxide on the oil within approximately two minutes the oil was exposed to an aqueous solution including a carboxylic acid i e glycolic acid and a halogen salt i e sodium bromide this aqueous solution was approximately 14 3 percent glycolic acid by weight and approximately 11 3 percent sodium bromide by weight during treatment the sodium percarbonate and the aqueous solution combined to form a solution having a ph of approximately 4 0 in this fourth example the oil 76 was completely oxidized within ten minutes and the cement was as clean as new cement oil on the edge of the absorbent material was also removed an exemplary embodiment of a solution and process of the present invention is illustrated by a fifth example with respect to a public theater facility 80 shown in schematic section in fig5 having a solid concrete surface sidewalk 82 near a theater.