Kumamoto Factory
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Address
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1500 Hirakawa Ohaza, Ohzu Machi, Kikuchi Gun,
Kumamoto Prefecture
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Established
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1976
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Main products
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Minibike, Mini vehicle engines, multipurpose
engines, transmission parts for passenger vehicles, etc.
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Number of employees
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3,406 (as of March 31, 2005)
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Water discharge point
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Kikuchi River via Hyuga River and Koushi River
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ISO 14001 acquired
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November 1997
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Water Quality
| Item | Unit | Regulation Standards (Incl. Agreed Standards) | Voluntary Regulation Standards | Measurement Results | |
| Maximum (minimum) | Average | ||||
|
Hydrogen ion concentration
|
pH | 5.8–8.6 | 6.5–7.9 | 7.9 (7.1) | 7.6 |
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Biochemical oxygen demand (BOD)
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mg/L | 7 | 3.5 | 3.2 (Less than 0.5) | 1.2 |
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Suspended solids (SS)
|
mg/L | 10 | 5 | 3.3 (1.0) | 2.1 |
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Oil content
|
mg/L | 1 | 0.5 | 0.7 (Less than 0.5) | Less than 0.5 |
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Phenols
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mg/L | 0.05 | 0.025 | Less than 0.025 | Less than 0.025 |
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Copper and its compounds
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mg/L | 0.3 | 0.15 | Less than 0.05 | Less than 0.02 |
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Zinc and its compounds
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mg/L | 1.5 | 0.75 | 0.11 (0.06) | 0.09 |
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Soluble iron and its compounds
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mg/L | 3 | 1.5 | 0.09 (Less than 0.05) | 0.07 |
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Soluble manganese and its compounds
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mg/L | Should not be detected | Below detection limit | Undetected | Undetected |
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Total chromium
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mg/L | 0.1 | 0.05 | Less than 0.02 | Less than 0.02 |
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Fluorine content
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mg/L | 8 | 4 | 0.09 (0.09) | 0.09 |
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Colon bacillus colony count
|
No./cm3 | 3,000 | 1,500 | 180 (180) | 180 |
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Nitrogen content
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mg/L | 60 | 30 | 45 (29) | 40 |
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Phosphorous content
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mg/L | 8 | 4 | 2 (1) | 1.3 |
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Cadmium and its compounds
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mg/L | Should not be detected | Below detection limit | Undetected | Undetected |
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Cyanides
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mg/L | 0.1 | 0.05 | Less than 0.1 | Less than 0.1 |
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Lead and its compounds
|
mg/L | Should not be detected | Below detection limit | Undetected | Undetected |
|
Chromium (VI) compounds
|
mg/L | 0.05 | 0.025 | Less than 0.04 | Less than 0.04 |
Air Quality
| Item | Unit | Regulation Standards (Incl. Agreed Standards) | Voluntary Regulation Standards | Measurement Results | |
| Maximum (minimum) | Average | ||||
|
Particulates
|
g/Nm3 | 0.05 | 0.025 | 0.008 (Less than 0.001) | Less than 0.001 |
| 0.1 | 0.05 | 0.004 (Less than 0.001) | Less than 0.001 | ||
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Nitrogen oxides
|
ppm | 150 | 75 | 18.4 (Less than 5.0) | 12.3 |
| 180 | 90 | 27.5 (Less than 2.0) | 15.8 | ||
| 230 | 115 | 4.7 (Less than 3.0) | 2.2 | ||
PRTR Listed Substances
(Unit:
kg)
| Substance | Volume Handled | Volume Discharged | Volume Transferred | Recycling | Volume 100 Disposed | Volume Consumed (Transferred to Products) | ||
| Atmosphere | Public Waters | Sewage | Waste Disposal Sites Outside Company | |||||
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Bis Phenol A epoxy resins
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1,710 | 34 | 0 | 0 | 0 | 0 | 0 | 1,676 |
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Ethyl benzene
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19,292 | 13,347 | 0 | 0 | 0 | 527 | 84 | 5,334 |
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Ethylene glycol
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59,608 | 0 | 0 | 0 | 0 | 0 | 0 | 59,608 |
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Xylene
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231,737 | 121,370 | 0 | 0 | 0 | 69,125 | 7,893 | 33,349 |
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Toluene
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79,444 | 25,667 | 0 | 0 | 0 | 13,621 | 242 | 39,914 |
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Total
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391,791 | 160,418 | 0 | 0 | 0 | 83,273 | 8,219 | 139,881 |
