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Waste

Trends in Amount of Waste Generated and Effective Utilization Ratio

Indicator FY2012 FY2013 FY2014 FY2015 FY2016 FY2017 FY2018
Amount of waste generated [tons] 28,005 25,085 23,614 22,313 22,432 21,905 19,056
Effective utilization ratio [%] 96.4 97.9 98.9 98.9 99.2 99.2 99.1

Waste Generated Effective Utilization Ratio

Breakdown of Waste Generated, Effective Utilization, and Final Disposal

Waste Type FY2018
Waste Generated [tons] Effective Utilization [tons] Final Disposal [tons]
Total 19,056 18,353 703
Sludge 4,015 3,963 52
Waste oil 1,023 987 35
Waste acid 3,211 3,211 0
Waste alkali 3,848 3,597 251
Waste plastic 3,055 3,005 50
Waste wood 789 777 12
Waste metal 477 477 0
Glass / eramic waste 386 383 3
Other (*1) 2,252 1,952 299

*1 Other:
Other includes general waste, paper waste, septic tank sludge, residue, rubble, textile waste, animal and plant residue, and infectious waste.

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