CSR
An outline of
DYNAX's
CSR activities
Environmental Performance Data
Water Quality
At the Tomakomai Plant, we conclude a pollution prevention agreement with related municipalities, measure and report on the quality of factory wastewater every month, and strive to preserve the water quality of the area.
Item |
Agreement Value |
Performance in 2025 |
||||
|---|---|---|---|---|---|---|
Max |
Min |
Avg. |
||||
Total drainage |
≦ 4,000㎥/day |
3,361 |
2,391 |
3,083 |
||
Hydrogen ion (pH) |
≧ 5.8 ≦ 8.6 |
7.5 |
6.7 |
7.0 |
||
Biochemical Oxygen Demanded amount (BOD) |
Max |
≦ 80㎎/L |
44.0 |
8.6 |
22.2 |
|
Daily avg. |
≦ 70㎎/L |
43.0 |
8.1 |
19.7 |
||
Amount of suspended solids (SS) |
Max |
≦ 80㎎/L |
9.0 |
4.0 |
6.5 |
|
Daily avg. |
≦ 70㎎/L |
8.5 |
3.5 |
5.9 |
||
Normal hexane extract
|
≦ 5㎎/L |
< 0.5 |
< 0.5 |
< 0.5 |
||
Number of Escherichia coli |
Daily avg. |
≦ 800CFU/m |
84.0 |
1.0 |
14.5 |
|
PRTR Target Substance
The emissions and transfers of substances subject to the PRTR Law in fiscal 2025 are as follows:
unit: ton/year
Location |
Substance |
Discharged |
Transferred |
||
|---|---|---|---|---|---|
Atmospheric Emissions |
Discharge into public waters |
Processed Waste |
Sewerage |
||
Chitose Plant |
Toluene |
1.1 |
0.0 |
0.3 |
0.0 |
Phenol |
0.0 |
0.0 |
2.3 |
0.0 |
|
Formaldehyde |
0.5 |
0.0 |
0.1 |
0.0 |
|
Butyl Cellosolve |
0.0 |
0.0 |
0.5 |
0.0 |
|
Ethylenediaminetetraacetic acid and its potassium and sodium salts |
0.0 |
0.0 |
0.0 |
1.9 |
|
Tomakomai Plant |
Phenol |
0.0 |
0.0 |
11.0 |
0.0 |
Formaldehyde |
0.9 |
0.0 |
0.2 |
0.0 |
|
1,3-Dichloro-2-propanol |
0.0 |
1.0 |
0.1 |
0.0 |
|
Butyl Cellosolve |
0.0 |
0.0 |
0.2 |
0.0 |
|
Ethylenediaminetetraacetic acid and its potassium and sodium salts |
0.0 |
3.6 |
0.0 |
0.0 |
|
Methyl Isobutyl Ketone |
0.0 |
0.0 |
1.3 |
0.0 |
|
FY2021 |
FY2022 |
FY2023 |
FY2024 |
FY2025 |
|
|---|---|---|---|---|---|
CO2 Emissions |
33 |
30 |
29 |
24 |
14 |
Energy Consumption |
（16） |
（15） |
（15）14 |
13 |
12 |
Waste Emissions |
4 |
4 |
4 |
4 |
3 |
（*1）Adjusted greenhouse gas emissions.
（*2）Values in parentheses are reported actual values based on the pre-2023 Energy Conservation Act.
-
Environment Policy
Environmental Vision
Basic Policy -
Environmental Management
Management System
Management Committee
Internal web site
Certification of ISO14001 -
Environmental Conservation
Gas cogeneration system
Solar power generation
Replacement with LED lighting
Utilization of exhaust heat -
Contribution to Environment by Product Development
Product Development
for Low CO2 Emission
Our environmental technology
and development history -
Environmental Performance Data
Water Quality
PRTR Target Substance -
Coexistence with society
Cleaning activities
around the plant
Dynax Children's Club Flowerbed