Hamamatsu Factory
|
Address
|
1-13-1 Aoi Higashi, Hamamatsu City, Shizuoka
Prefecture
|
|
Established
|
1954
|
|
Main products
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Motorcycles, automatic transmissions for
automobiles, etc.
|
|
Number of employees
|
4,107 (as of March 31, 2005)
|
|
Water discharge point
|
Isaji River, Danzu River (rainwater only)
|
|
ISO 14001 acquired
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March 1998
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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 | 5.7–8.7 | 5.7–8.7 | 7.8 (7.1) | 7.4 |
|
Biochemical oxygen demand (BOD)
|
mg/L | 300 | 150 | 149 (26.7) | 64.7 |
|
Suspended solids (SS)
|
mg/L | 300 | 150 | 198 (19.5) | 92.5 |
|
Oil content
|
mg/L | 35 | 17.5 | 11.7 (Less than 2.5) | 4.1 |
|
Phenols
|
mg/L | 5 | 2.5 | Less than 0.03 | Less than 0.03 |
|
Copper and its compounds
|
mg/L | 3 | 1.5 | Less than 0.1 | Less than 0.1 |
|
Zinc and its compounds
|
mg/L | 5 | 2.5 | 0.23 (0.10) | 0.19 |
|
Soluble iron and its compounds
|
mg/L | 10 | 5 | 0.4 (0.2) | 0.30 |
|
Soluble manganese and its compounds
|
mg/L | 10 | 5 | Less than 0.1 | Less than 0.1 |
|
Total chromium
|
mg/L | 2 | 1 | Less than 0.05 | Less than 0.05 |
|
Fluorine content
|
mg/L | 15 | 7.5 | 0.7 (0.5) | 0.6 |
|
Colon bacillus colony count
|
No./cm3 | Excluded because of release to the sewage system | |||
|
Nitrogen content
|
mg/L | Excluded because of release to the sewage system | |||
|
Phosphorous content
|
mg/L | Excluded because of release to the sewage system | |||
|
Cadmium and its compounds
|
mg/L | 0.1 | 0.05 | Less than 0.01 | Less than 0.01 |
|
Cyanides
|
mg/L | 1 | 0.5 | Less than 0.01 | Less than 0.01 |
|
Lead and its compounds
|
mg/L | 0.1 | 0.05 | 0.02 (Less than 0.01) | 0.01 |
|
Chromium (VI) compounds
|
mg/L | 0.5 | 0.25 | Less than 0.05 | Less than 0.05 |
Air Quality
| Item | Unit | Regulation Standards (Incl. Agreed Standards) | Voluntary Regulation Standards | Measurement Results | |
| Maximum (minimum) | Average | ||||
|
Particulates
|
g/Nm3 | 0.10 | 0.05 | Less than 0.02 | Less than 0.02 |
| 0.20 | 0.10 | 0.01 (Less than 0.02) | Less than 0.02 | ||
| 0.30 | 0.15 | Less than 0.02 | Less than 0.02 | ||
|
Nitrogen oxides
|
ppm | 150 | 75 | 68 (19) | 51.3 |
| 180 | 90 | 52 (10) | 33.9 | ||
| 250 | 125 | 89 (64) | 76.5 | ||
|
Hydrogen chloride
|
mg/Nm3 | 700 | 350 | 85 (79) | 82 |
| 80 | 40 | Less than 2.5 | Less than 2.5 | ||
|
Sulphur oxides
|
Nm3/h | 2.32 | 1.21 | 0.1 (Less than 0.05) | 0.075 |
|
Dioxins
|
ng-TEQ/Nm3 | 5 | 2.5 | 0.31 | 0.31 |
| 10 | 5 | 0 | 0 | ||
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 | |||||
|
Ethyl benzene
|
15,531 | 3,009 | 0 | 0 | 1,203 | 687 | 0 | 10,632 |
|
Ethylene glycol
|
209,628 | 0 | 0 | 0 | 0 | 0 | 0 | 209,628 |
|
Xylene
|
118,335 | 37,020 | 0 | 0 | 14,959 | 3,434 | 0 | 62,922 |
|
1,3,5-Trimethyl benzene
|
2,301 | 1,636 | 0 | 0 | 665 | 0 | 0 | 0 |
|
Toluene
|
125,138 | 10,652 | 0 | 0 | 4,138 | 5,036 | 0 | 105,312 |
|
Nickel compounds
|
2,482 | 0 | 0 | 0 | 0 | 0 | 0 | 2,482 |
|
Benzene
|
3,582 | 14 | 0 | 0 | 0 | 266 | 0 | 3,302 |
|
Total
|
476,997 | 52,331 | 0 | 0 | 20,965 | 9,423 | 0 | 394,278 |
|
Dioxins (Unit: mg-TEQ)
|
— | 13.00 | 0 | 0.59 |
85.00 |
0 | 0 | 0 |
