Hamamatsu Factory
Address |
1-13-1 Aoi Higashi, Hamamatsu City, Shizuoka Prefecture |
Established |
1954 |
Major Products |
Motorcycles, automatic transmissions for automobiles, etc. |
Employment |
4,107 associates (including those working at the Hosoe Plant, as of March 31, 2006) |
Water discharge point |
Sewage system (industrial and non-industrial wastewater) Isaji River, Danzu River (rainwater only) |
ISO 14001 acquired |
March 1998 |
Water Quality
| Item | Unit | Regulation Standards (Incl. Agreed Standards) | Voluntary Regulation Standards | Measurement Results | |
| Maximum (minimum) | Average | ||||
Hydrogen ion concentration |
pH | 5.0–9.0 | 5.0–9.0 | 7.6 (7.2) | 7.5 |
Biochemical oxygen demand (BOD) |
mg/L | 600 | 300 | 108 (44.8) | 74.2 |
Suspended solids (SS) |
mg/L | 600 | 300 | 164 (66.2) | 110 |
Oil content |
mg/L | 35 | 17.5 | 9.5 (Less than 2.5) | 1.6 |
Phenols |
mg/L | 5 | 2.5 | Less than 0.2 | Less than 0.2 |
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 | 0.89 (0.10) | 0.38 |
Soluble iron and its compounds |
mg/L | 10 | 5 | 0.7 (0.3) | 0.50 |
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 | 8 | 4 | 0.8 (0.2) | 0.5 |
Colon bacillus colony count |
No./cm3 | Excluded because of release to the sewage system | |||
Nitrogen content |
mg/L | 240 | 120 | 18.8 (14.8) | 16.8 |
Phosphorous content |
mg/L | 32 | 16 | 16.4 (3.89) | 10.1 |
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 |
Organic phosphorus compounds |
mg/L | 1 | 0.5 | Less than 0.1 | Less than 0.1 |
Lead and its compounds |
mg/L | 0.1 | 0.05 | 0.03 (Less than 0.01) | 0.01 |
Chromium (VI) compounds |
mg/L | 0.5 | 0.25 | Less than 0.05 | Less than 0.05 |
Arsenic and its compounds |
mg/L | 0.1 | 0.05 | Less than 0.005 | Less than 0.005 |
Mercury and its compounds |
mg/L | 0.005 | 0.0025 | Less than 0.0005 | Less than 0.0005 |
Alkyl mercury and its compounds |
mg/L | Should not be detected | Undetected | Undetected | Undetected |
PCB |
mg/L | 0.003 | 0.0015 | Less than 0.0005 | Less than 0.0005 |
Trichloroethylene |
mg/L | 0.3 | 0.15 | Less than 0.002 | Less than 0.002 |
Tetrachloroethylene |
mg/L | 0.1 | 0.05 | Less than 0.0005 | Less than 0.0005 |
Dichloromethane |
mg/L | 0.2 | 0.1 | Less than 0.02 | Less than 0.02 |
Tetrachloride carbon |
mg/L | 0.02 | 0.01 | Less than 0.002 | Less than 0.002 |
1,2-dichloroethane |
mg/L | 0.04 | 0.02 | Less than 0.004 | Less than 0.004 |
1,1-dichloroethylene |
mg/L | 0.2 | 0.1 | Less than 0.02 | Less than 0.02 |
Cis-1,2-dichloroethylene |
mg/L | 0.4 | 0.2 | Less than 0.04 | Less than 0.04 |
1,1,1-trichloroethane |
mg/L | 3 | 1.5 | Less than 0.0005 | Less than 0.0005 |
1,1,2-trichloroethane |
mg/L | 0.06 | 0.03 | Less than 0.006 | Less than 0.006 |
1,3-dichloropropane |
mg/L | 0.02 | 0.01 | Less than 0.002 | Less than 0.002 |
Thiram |
mg/L | 0.06 | 0.03 | Less than 0.006 | Less than 0.006 |
Simazine |
mg/L | 0.03 | 0.015 | Less than 0.003 | Less than 0.003 |
Thiobencarb |
mg/L | 0.2 | 0.1 | Less than 0.02 | Less than 0.02 |
Benzene |
mg/L | 0.1 | 0.05 | Less than 0.01 | Less than 0.01 |
Selenium and its compounds |
mg/L | 0.1 | 0.05 | Less than 0.01 | Less than 0.01 |
Iodine consumption |
mg/L | 220 | 110 | 11.2 (9.6) | 10.4 |
Iodine and its compounds |
mg/L | 10 | 5 | 1.1 (0.5) | 0.8 |
Dioxins |
pg-TEQ/L | 10 | 5 | 1.9 | 1.9 |
Air Quality
| Item | Unit | Regulation Standards (Incl. Agreed Standards) | Voluntary Regulation Standards | Measurement Results | |
| Maximum (minimum) | Average | ||||
Particulates |
g/Nm3 | 0.1 | 0.05 | Less than 0.02 | Less than 0.02 |
| 0.2 | 0.1 | Less than 0.02 | Less than 0.02 | ||
| 0.3 | 0.15 | Less than 0.02 | Less than 0.02 | ||
Nitrogen oxides |
ppm | 150 | 75 | 65 (41) | 50.6 |
| 180 | 90 | 52 ( 3) | 24.0 | ||
| 250 | 125 | 100 (97) | 98.5 | ||
Hydrogen chloride |
mg/Nm3 | 700 | 350 | 120 (85) | 103 |
| 80 | 40 | 3.7 (Less than 1.3) | Less than 1.3 | ||
Sulphur oxides |
Nm3/h | 2.32 | 1.21 | 0.22 (0.15) | 0.19 |
Dioxins |
ng-TEQ/Nm3 | 5 | 2.5 | 1.4 | 1.4 |
| 10 | 5 | 0.13 (0.0045) | 0.067 | ||
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 |
41,946 | 3,277 | 0 | 0 | 1,271 | 196 | 0 | 37,202 |
Ethylene glycol |
254,048 | 0 | 0 | 0 | 0 | 0 | 0 | 254,048 |
Xylene |
230,769 | 36,771 | 0 | 0 | 14,669 | 982 | 0 | 178,347 |
1.3.5-Trimethyl benzene |
2,420 | 1,721 | 0 | 0 | 699 | 0 | 0 | 0 |
Toluene |
422,874 | 12,697 | 0 | 0 | 4,459 | 1,440 | 0 | 404,278 |
Nickel |
4,815 | 0 | 0 | 0 | 0 | 0 | 0 | 4,815 |
Benzene |
11,410 | 46 | 0 | 0 | 0 | 65 | 0 | 11,299 |
Total |
968,282 | 54,512 | 0 | 0 | 21,098 | 2,683 | 0 | 889,989 |
Dioxins (Unit: mg-TEQ) |
— | 19.90 | 0 | 0.42 | 90.70 | 0 | 0 | 0 |
Noise
| Time zone | Unit | Voluntary Regulation Standards | Measurement Results |
Afternoon |
dB | 70 | 67 |
Evening |
dB | 65 | 65 |
Night |
dB | 60 | 60 |
Vibration
| Time zone | Unit | Voluntary Regulation Standards | Measurement Results |
Afternoon |
dB | 70 | 44 |
Night |
dB | 65 | 42 |
Odor
| Item | Unit | Regulation Standards | Voluntary Regulation Standards | Measurement Results (Maximum) |
Main gate |
Odor index | 10 | 10 | 11 |
South gate |
Odor index | 10 | 10 | 13 |
North gate |
Odor index | 10 | 10 | 12 |
East gate |
Odor index | 10 | 10 | 14 |
Note: In January 2002, regulation standards were changed from material-based values according to a Shizuoka Prefecture ordinance to index values (sensory test) according to a Hamamatsu City ordinance.
