Environmental Data

* All data, unless otherwise noted, are based on the following assumptions.

Scope of aggregation: Yokkaichi Plant and Chiba Plant
Period covered: April 1 to March 31

Energy

Scope of aggregation: All KH Neochem operating facilities
Period covered: April 1 to March 31

Energy consumption and specific consumption

Fiscal year 2016 2017 2018 2019 2020 2021
Energy consumption (crude oil equivalent) 1000kL 206.5 218.8 208.7 204.6 194.2 214.4
Energy specific consumption L/t 202.3 199.6 210.0 207.2 222.3 204.9

GHG emissions volume

Fiscal year 2016 2017 2018 2019 2020 2021
GHG emissions volume kt 448.2 473.6 448.9 440.2 404.2 422.4

*1 Reported figures based on the act on the Rational Use of Energy

*2 After confirming with the GHG emissions reporting window to the government, deduct from GHG emissions from FY2021 the amount of CO2 recovered from our manufacturing processes and used as raw materials for our products.

Energy consumption and specific consumption in physical distribution

Fiscal year 2016 2017 2018 2019 2020 2021
Energy consumption (crude oil equivalent) kL 2,653 2,977 2,957 2,811 2,580 3,286
Energy specific consumption L/t 6.2 6.7 6.8 6.2 6.0 6.6

Air pollutants

Amounts released (SOx, Nox, Dust)

Fiscal year 2016 2017 2018 2019 2020 2021
SOx t 2.4 2.3 2.3 2.3 0.5 0.5
NOx t 331.5 321.3 268.9 259.9 283.8 338.7
Dust t 6.2 7.4 7.1 6.6 4.2 9.2

Levels agreed upon with local communities and annual maximum values

Yokkaichi Plant
Fiscal year 2016 2017 2018 2019 2020 2021
SOx Maximum value (Nm3/h) 0.0 0.0 0.0 0.0 0.0 0.0
Agreement level (Nm3/h) 1.0 1.0 1.0 1.0 1.0 1.0
NOx Maximum value (kg/h) 28.1 30.6 24.3 26.5 45.5 43.5
Agreement level (kg/h) 53.0 53.0 53.0 53.0 53.3 53.3
Dust Maximum value (g/Nm3) 0.001 0.001 0.001 0.001 0.002 0.003
Agreement level (g/Nm3) 0.025 0.025 0.025 0.025 0.025 0.025
Chiba Plant
Fiscal year 2016 2017 2018 2019 2020 2021
SOx Maximum value (Nm3/h) 0.2 0.1 0.1 0.1 0.1 0.0
Agreement level (Nm3/h) 9.0 9.0 9.0 9.0 9.0 9.0
NOx Maximum value (Nm3/h) 3.2 2.2 2.3 1.9 2.3 2.9
Agreement level (Nm3/h) 12.0 12.0 12.0 12.0 12.0 12.0
Dust Maximum value (kg/h) 0.7 0.4 0.6 0.5 0.5 0.4
Agreement level (kg/h) 4.5 4.5 4.5 4.5 4.5 4.5

Water pollutants

Amount released (total effluent discharged)

Fiscal year 2016 2017 2018 2019 2020 2021
Amount released (total effluent discharged) kt 5,369 6,147 6,425 6,220 6,233 6,374

Amounts released (COD, T-N, T-P)

Fiscal year 2016 2017 2018 2019 2020 2021
COD t 30.3 25.8 23.3 24.7 28.7 25.9
T-N t 11.0 10.6 10.6 9.7 10.4 11.3
T-P t 2.3 2.1 1.8 1.6 1.8 1.8

Levels agreed upon with local communities and annual maximum values

Yokkaichi Plant
Fiscal year 2016 2017 2018 2019 2020 2021
COD Maximum value (kg/day) 133.9 90.7 137.1 110.2 127.5 126.9
Agreement level (kg/day) 201.2 201.2 201.2 201.2 201.2 201.2
T-N Maximum value (kg/day) 28.1 29.8 36.5 21.8 37.0 36.9
Agreement level (kg/day) 46.0 46.0 46.0 46.0 46.0 46.0
T-P Maximum value (kg/day) 9.2 9.4 9.6 9.1 9.3 9.3
Agreement level (kg/day) 13.0 13.0 13.0 13.0 13.0 13.0
Chiba Plant
Fiscal year 2016 2017 2018 2019 2020 2021
COD Maximum value (kg/day) 57.7 62.9 79.3 53.4 88.4 68.9
Agreement level (kg/day) 124.0 124.0 124.0 124.0 124.0 124.0
T-N Maximum value (kg/day) 37.5 38.9 52.3 37.9 72.9 52.3
Agreement level (kg/day) 90.0 90.0 90.0 90.0 90.0 90.0
T-P Maximum value (kg/day) 1.5 5.7 3.2 4.0 5.2 6.3
Agreement level (kg/day) 12.5 12.5 12.5 12.5 12.5 12.5

Waste material

Amount of waste generated, amount released, and amount treated as final landfill

Fiscal year 2016 2017 2018 2019 2020 2021
Amount of waste generated t 51,396 54,705 54,825 52,610 53,686 54,026
Amount released t 8,807 9,958 11,337 8,962 8,537 7,554
Amount treated as final landfill t 84 140 124 136 133 106

Recycled amount and recycling rate

Fiscal year 2016 2017 2018 2019 2020 2021
Recycled amount t 3,386 3,418 3,482 3,600 3,885 3,967
Recycling rate % 6.6 6.2 6.4 6.8 7.2 7.3

Waste material treatment flow

Amount of waste generated
54,026t
100.0%
Amount recycled internally
3,772t
7.0%
Amount reduced internally
42,700t
79.0%
Amount treated internally as final landfill
0t
0.0%
Amount of waste released
7,554t
14.0%
Amount recycled externally
195t
0.4%
Amount reduced externally
7,253t
13.4%
Amount treated externally as final landfill
106t
0.2%

* Some totals may not tally due to rounding

Environmental Data by Plant

Period covered: April 1, 2021 to March 31, 2022

Yokkaichi Plant Chiba Plant
Specific energy consumption L/t 208.5 192.1
SOx amount released t 0.0 0.5
NOx amount released t 292.6 46.0
Dust amount released t 6.0 3.2
Total effluent discharged kt 4,472 1,902
COD amount released t 11.8 14.1
T-N amount released t 2.4 8.9
T-P amount released t 1.2 0.6
Amount of waste generated t 51,569 2,456
Amount disposed of as landfill t 97.6 8.1

Amount of PRTR Act Type 1 designated chemical substances released

Fiscal year 2021

Period covered: April 1, 2021 to March 31, 2022

Yokkaichi Plant

Description Amount (t)
Water soluble compound of zinc 1.3
Acetaldehyde 3.8
2-Aminoethanol 2.3
Isobutylaldehyde 2.3
2-Ethylhexanoic acid 0.2
Ethylene oxide 0.4
Dioxins 4.9mg-TEQ
Toluene 1.3
Hydrogen fluoride and its water-soluble salts 0.9
Boron compounds 0.2
Phthalic anhydride 0.2
Others (11 substances) 0.0

Chiba Plant

Description Amount (t)
Cobalt and its compounds 1.0
Dioxins 1.8mg-TEQ
3,5,5-Trimethyl-1-hexanol 0.4
Others (6 substances) 0.0

Emissions to Air and Water

Fiscal year 2016 2017 2018 2019 2020 2021
Air t 5.1 4.7 4.6 3.3 3.9 5.3
Water t 4.7 5.0 7.3 7.3 8.2 8.9

Environmental Accounting

Scope of aggregation: Yokkaichi Plant and Chiba Plant (million yen)
Period covered: January 1 to December 31

Environmental conservation costs

Fiscal year 2016 2017 2018 2019 2020 2021
Classification Substance of main measures Investment amounts Expense amounts Investment amounts Expense amounts Investment amounts Expense amounts Investment amounts Expense amounts Investment amounts Expense amounts Investment amounts Expense amounts
Costs within business area 1 Pollution prevention costs Air pollution prevention, water pollution prevention, etc. 47 766 15 688 25 885 174 881 999 930 14 925
2 Global environmental conservation costs Global warming prevention, energy conservation measures, etc. 92 585 0 255 55 394 0 247 57 170 1,397 388
3 Resource recycling costs Efficient use of resources, recycling of waste, etc. 85 1,081 54 1,086 33 1,325 14 1,260 36 1,193 14 1,158
Total from 1 to 3 225 2,432 69 2,030 114 2,603 188 2,388 1,092 2,293 1,426 2,471
Upstream and downstream costs Purchase of recycled stationery (eco-label goods), etc. 0 2 0 2 0 2 0 2 0 1 0 1
Management program costs Environmental management system maintenance, operation, etc. 0 41 0 29 0 31 0 26 0 25 0 28
Research and development costs Research and development, etc. for products contributing to environmental conservation, etc. 0 171 0 168 0 251 0 223 0 148 0 92
Social program costs Contributions to groups engaging in environmental conservation, support, etc. 0 0 0 0 0 0 0 0 0 0 0 0
Environmental remediation costs Oil spill liability insurance, levies on pollution loads 0 8 0 7 0 7 0 6 0 6 0 6
Total 225 2,654 69 2,235 114 2,894 188 2,644 1,092 2,474 1,426 2,598

* Some totals may not tally due to rounding

Economic impact

Fiscal year 2016 2017 2018 2019 2020 2021
Profit Sales of waste material (waste catalyst, scrap, etc.), sales of recovered containers 6 9 17 9 6 24