| produce toxic gas | 0.56 |
| discharge toxic fumes | 0.49 |
| send out toxic gases | 0.48 |
| consist of scrap tires | 0.37 |
| pile up on our job loca… | 0.37 |
| enter the environment | 0.27 |
| contribute to increase | 0.20 |
| go to the anaerobic dig… | 0.16 |
| consist of particle | 0.16 |
| hazardous waste | 0.35 |
| collected | 0.68 |
| generated | 0.63 |
| piled up in our job loc… | 0.59 |
| disposed | 0.57 |
| generated by business | 0.55 |
| generated in the united… | 0.52 |
| piled up for longer per… | 0.50 |
| deposited in landfill | 0.49 |
| piled up on our job pos… | 0.46 |
| generated in the county | 0.45 |
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