| hazardous waste of concern | 0.03 | 0.9 | 9392 | 26 | 96 |
| dtsc hazardous waste of concern | 0.87 | 0.6 | 109 | 31 | 87 |
| risks of hazardous waste | 1.87 | 0.9 | 5794 | 24 | 52 |
| hazardous and other wastes | 1.3 | 0.1 | 7341 | 26 | 30 |
| hazardous waste and their management | 1.51 | 0.6 | 3396 | 36 | 63 |
| general description of hazardous waste | 1.27 | 0.8 | 1045 | 38 | 87 |
| hazardous and toxic waste | 1.98 | 0.9 | 962 | 25 | 68 |
| dangers of hazardous waste | 0.85 | 0.1 | 5095 | 26 | 50 |
| hazardous materials and waste | 0.88 | 0.6 | 6167 | 29 | 11 |
| hazardous waste in healthcare | 1.68 | 0.9 | 4169 | 29 | 36 |
| considered as a hazardous waste | 1.43 | 0.6 | 8825 | 31 | 46 |
| hazardous waste storage and disposal | 1.25 | 0.1 | 8884 | 36 | 42 |
| hazard of waste management | 0.28 | 0.5 | 6746 | 26 | 60 |
| hazardous waste operations and emergency | 1.78 | 0.5 | 4416 | 40 | 62 |
| hazardous waste safety topic | 1.69 | 0.6 | 4779 | 28 | 30 |
| a waste is hazardous if it is | 0.19 | 0.7 | 9364 | 29 | 17 |
