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Site report: Hofu Plant<br />
[Nish<strong>in</strong>oura District]<br />
Address: 888-1 Nish<strong>in</strong>oura, Hofu City, Yamaguchi, Japan<br />
Operation started: September 1982<br />
Major products: Passenger cars<br />
Employees: 3,170(as of end of March 2005/<strong>in</strong>clud<strong>in</strong>g Nakanoseki)<br />
ISO14001 certificationSeptember 1998<br />
Site area and floorspace792,000 square meters; 297,000 square meters<br />
[Nakanoseki District]<br />
Address: 415-8 Hamakata,<br />
Hofu City, Yamaguchi, Japan<br />
Operation started: December 1981<br />
Major products: Transmissions<br />
ISO14001 certificationSeptember 1999<br />
Site area and floorspace537,000 square meters;<br />
100,000 square meters<br />
Hofu Plant, Nish<strong>in</strong>oura District<br />
Hofu Plant, Nakanoseki District<br />
Environmental data for fiscal 2004<br />
[Nish<strong>in</strong>oura District]<br />
Wastewater dra<strong>in</strong>age to Oumi Bay<br />
Atmospheric pollutants Units Regulation<br />
Actual<br />
(max.)<br />
Water pollutants Units Regulation<br />
Actual<br />
Max. M<strong>in</strong>. Avg.<br />
250<br />
23<br />
pH<br />
<br />
5.09.0<br />
7.0<br />
6<br />
6.7<br />
NOx<br />
Boilers<br />
ppm<br />
150<br />
130<br />
140<br />
62<br />
BOD<br />
SS<br />
mg/R<br />
mg/R<br />
40<br />
30<br />
13.9<br />
6.7<br />
4.3<br />
0.6<br />
9.3<br />
2.2<br />
Dry<strong>in</strong>g ovens<br />
ppm<br />
230<br />
80<br />
Oil<br />
mg/R<br />
2<br />
0.7<br />
ND<br />
0.5<br />
0.25<br />
0.1<br />
Copper<br />
mg/ R<br />
3<br />
0.02<br />
ND<br />
0.01<br />
Boilers<br />
g/m 3 N<br />
0.20<br />
0.0018<br />
Z<strong>in</strong>c<br />
mg/R<br />
5<br />
0.19<br />
0.14<br />
0.16<br />
Ash<br />
0.10<br />
0.35<br />
0.002<br />
0.033<br />
Total nitrogen<br />
Total phosphorous<br />
mg/R<br />
mg/R<br />
60<br />
8<br />
14.7<br />
2.3<br />
0.1<br />
ND<br />
3.1<br />
0.7<br />
Dry<strong>in</strong>g ovens<br />
g/m 3 N<br />
0.30<br />
0.018<br />
Coliform groups<br />
colonies/cm 3<br />
3000<br />
160<br />
16<br />
88<br />
0.20<br />
0.005<br />
Phenol<br />
mg/R<br />
5<br />
0.06<br />
0.04<br />
0.05<br />
SOx<br />
K regulation<br />
Total regulation<br />
<br />
m 3 N/h<br />
4.5<br />
52.66<br />
1.31<br />
5.39<br />
Boric acid<br />
Fluor<strong>in</strong>e<br />
mg/R<br />
mg/R<br />
230<br />
15<br />
0.2<br />
0.84<br />
0.2<br />
0.11<br />
0.2<br />
0.48<br />
Ammonia, ammonium,<br />
nitrous acid and nitrous<br />
acid compounds<br />
mg/R<br />
100<br />
2.2<br />
1.1<br />
1.65<br />
The follow<strong>in</strong>g regulated substances were not detected: cadmium, cyanogen, organic phosphorus, lead,<br />
hexavalent chromium, arsenic, mercury, alkyl mercury, PCB, trichloroethylene, tetrachloroethylene,<br />
dichloromethane, carbon tetrachloride, 1.2-dichloroethane, 1.1-dichloroethylene, cis 1.2-dichloroethylene, 1.1.1-<br />
trichloroethane, 1.1.2-trichloroethane, 1.3-dichloropropene, thiuram, simaz<strong>in</strong>e, thiobencarb, benzene, selenium,<br />
chromium,soluble manganese and soluble iron.<br />
<br />
Social & Environmental Report 2005