Waste
Trends in Amount of Waste Generated and Effective Utilization Ratio
| Indicator | FY2012 | FY2013 | FY2014 | FY2015 | FY2016 | FY2017 | FY2018 | FY2019 |
|---|---|---|---|---|---|---|---|---|
| Amount of waste generated [tons] | 28,005 | 25,085 | 23,614 | 22,313 | 22,432 | 21,905 | 19,056 | 12,284 |
| Effective utilization ratio [%] | 96.4 | 97.9 | 98.9 | 98.9 | 99.2 | 99.2 | 99.1 | 99.3 |
Breakdown of Waste Generated, Effective Utilization, and Final Disposal
| Waste Type | FY2019 | ||
|---|---|---|---|
| Waste Generated [tons] | Effective Utilization [tons] | Final Disposal [tons] | |
| Total | 12,284 | 11,810 | 474 |
| Sludge | 1,414 | 1,358 | 56 |
| Waste oil | 813 | 798 | 15 |
| Waste acid | 720 | 719 | 1 |
| Waste alkali | 2,365 | 2,249 | 116 |
| Waste plastic | 2,659 | 2,612 | 48 |
| Waste wood | 991 | 949 | 42 |
| Waste metal | 461 | 461 | 0 |
| Glass / eramic waste | 189 | 186 | 3 |
| Other （*1） | 2,672 | 2,478 | 194 |
- （*1）Other:
Other includes general waste, paper waste, septic tank sludge, residue, rubble, textile waste, animal and plant residue, and infectious waste.
