'About 10% of hazardous wastes are disposed of in the "sanitary" type of these pits'
Landfills
IN THE GROUND: About 10% of hazardous wastes are disposed of in the sanitary type of these pits
About 10% of hazardous wastes are disposed of in the "sanitary" type of these pits
About 10% of hazardous wastes are disposed of in the "sanitary" type of these pits
IN THE GROUND
Landfills
IN THE GROUND