 |
Kumamoto Factory
| Address |
1500 Hirakawa Ohaza, Ohzu Machi, Kikuchi Gun, Kumamoto Prefecture |
| Established |
1976 |
| Major Products |
Minibike, mini vehicle engines, multipurpose
engines, transmission parts for passenger vehicles, etc. |
| Employment |
2,921 associates (as of March 31, 2007) |
| Water discharge point |
Kikuchi River via Hyuga River and Koushi River |
| ISO 14001 acquired |
November 1997 |
Water Quality
| Item |
Unit |
Regulations
(incl. agreed standards) |
Voluntary standards |
Measurement results |
| Maximum (minimum) |
Average |
| Hydrogen ion concentration |
pH |
5.8–8.6 |
6.5–7.9 |
8.0 (7.3) |
7.6 |
| Biochemical oxygen demand (BOD) |
mg/L |
Max. 10, Ave. 7 |
3.5 |
3.1 (1.5) |
2.3 |
| Suspended solids (SS) |
mg/L |
Max. 15, Ave. 10 |
5 |
4 (1) |
3.5 |
| Oil content |
mg/L |
Max. 1.5, Ave. 1 |
0.5 |
< 0.5 |
< 0.5 |
| Phenols |
mg/L |
Max. 0.075, Ave. 0.05 |
0.025 |
< 0.025 |
< 0.025 |
| Copper and its compounds |
mg/L |
Max. 0.45, Ave. 0.3 |
0.15 |
< 0.05 |
< 0.05 |
| Zinc and its compounds |
mg/L |
Max. 2, Ave. 1.5 |
0.75 |
0.15 (0.1) |
0.13 |
| Soluble iron and its compounds |
mg/L |
Max. 4.5, Ave. 3 |
1.5 |
0.16 (< 0.05) |
0.08 |
| Soluble manganese and its compounds |
mg/L |
Figures not generated |
Figures not available |
Figures not available |
Figures not available |
| Total chromium |
mg/L |
Max. 0.15, Ave. 0.1 |
0.05 |
< 0.02 |
< 0.02 |
| Fluorine content |
mg/L |
8 |
4 |
< 0.2 |
< 0.2 |
| Colon bacillus colony count |
Parts/cm3 |
3000 |
1500 |
220 |
220 |
| Nitrogen |
mg/L |
Max. 120, Ave. 60 |
30 |
10 (1.6) |
4.9 |
| Phosphorous |
mg/L |
8 |
4 |
1.8 (0.43) |
1.12 |
| Cadmium and its compounds |
mg/L |
Figures not generated |
Figures not available |
Figures not available |
Figures not available |
| Cyanides |
mg/L |
0.1 |
0.05 |
< 0.05 |
< 0.05 |
| Organic phosphorus compounds |
mg/L |
0.1 |
0.1 |
< 0.1 |
< 0.1 |
| Lead and its compounds |
mg/L |
Figures not generated |
Figures not available |
Figures not available |
Figures not available |
| Hexavalent chromium compounds |
mg/L |
Max. 0.075, Ave. 0.05 |
0.04 |
< 0.04 |
< 0.04 |
| Arsenic and its compounds |
mg/L |
Figures not generated |
Figures not available |
Figures not available |
Figures not available |
| Mercury and its compounds |
mg/L |
0.0005 |
0.0005 |
< 0.0005 |
< 0.0005 |
| Alkyl mercury compounds |
mg/L |
Figures not generated |
Figures not available |
Figures not available |
Figures not available |
| PCB |
mg/L |
0.0005 |
0.0005 |
< 0.0005 |
< 0.0005 |
| Trichlorethylene |
mg/L |
0.03 |
0.015 |
< 0.003 |
< 0.003 |
| Tetrachloroethylene |
mg/L |
0.01 |
0.005 |
< 0.001 |
< 0.001 |
| Dichloromethane |
mg/L |
0.02 |
0.01 |
< 0.002 |
< 0.002 |
| Carbon tetrachloride |
mg/L |
0.002 |
0.001 |
< 0.0002 |
< 0.0002 |
| 1, 2 Dichloromethane |
mg/L |
0.004 |
0.002 |
< 0.0004 |
< 0.0004 |
| 1, 1 Dichloromethane |
mg/L |
0.02 |
0.01 |
< 0.002 |
< 0.002 |
| cis-1, 2 Dichloromethane |
mg/L |
0.04 |
0.02 |
< 0.004 |
< 0.004 |
| 1, 1, 1 Trichloroethane |
mg/L |
0.3 |
0.15 |
< 0.03 |
< 0.03 |
| 1, 1, 2 Trichloroethane |
mg/L |
0.006 |
0.003 |
< 0.0006 |
< 0.0006 |
| 1, 3 Dichloropropene |
mg/L |
0.002 |
0.001 |
< 0.0002 |
< 0.0002 |
| Thiram |
mg/L |
0.006 |
0.003 |
< 0.0006 |
< 0.0006 |
| Simazine |
mg/L |
0.003 |
0.0015 |
< 0.0003 |
< 0.0003 |
| Thiobencarb |
mg/L |
0.02 |
0.01 |
< 0.002 |
< 0.002 |
| Benzene |
mg/L |
0.01 |
0.005 |
< 0.001 |
< 0.001 |
| Selenium and its compounds |
mg/L |
0.1 |
0.05 |
< 0.01 |
< 0.01 |
Air Quality
| Item |
Unit |
Regulations
(incl. agreed standards) |
Voluntary standards |
Measurement results |
| Maximum (minimum) |
Average |
| Particulates |
g/Nm3 |
0.05 |
0.025 |
0.004 (< 0.001) |
0.001 |
| 0.1 |
0.05 |
0.02 (< 0.001) |
0.003 |
| Nitrogen oxides |
ppm |
150 |
75 |
65 (12) |
32 |
| 180 |
90 |
32 (6) |
17 |
| 230 |
115 |
43 (5) |
12 |
(Unit: kg)PRTR Listed Substances
| Substance |
Volume handled |
Volume discharged |
Volume transferred |
Recycling |
Volume disposed |
Volume consumed
(transferred to products) |
| Atmosphere |
Released into public water system |
Sewage |
Waste disposal sites outside company |
| Bis phenol A epoxy resins |
1,985 |
40 |
0 |
0 |
0 |
0 |
0 |
1,945 |
| Ethyl benzene |
16,666 |
10,952 |
0 |
0 |
0 |
588 |
245 |
4,881 |
| Ethylene glycol |
92,991 |
0 |
0 |
0 |
0 |
0 |
0 |
92,991 |
| Xylene |
248,110 |
126,583 |
0 |
0 |
0 |
81,810 |
8,644 |
31,073 |
| Toluene |
78,479 |
23,481 |
0 |
0 |
0 |
17,892 |
704 |
36,402 |
| Total |
438,231 |
161,056 |
0 |
0 |
0 |
100,290 |
9,593 |
167,292 |
Noise
| Time |
Unit |
Voluntary standards |
Measurement results |
| Daytime |
dB |
62 |
42.1 |
| Early evening |
dB |
62 |
41.3 |
| Nighttime |
dB |
55 |
38.8 |
Vibration
| Time |
Unit |
Voluntary standards |
Measurement results |
| Daytime |
dB |
65 |
19.6 |
| Nighttime |
dB |
60 |
20.5 |
Odor
| Item |
Unit |
Voluntary standards |
Measurement results |
| Ammonia |
ppm |
1 |
0.4 |
| Methyl mercaptan |
ppm |
0.002 |
< 0.0005 |
| Hydrogen sulfide |
ppm |
0.02 |
0.003 |
| Methyl sulfide |
ppm |
0.01 |
< 0.0005 |
| Methyl disulfide |
ppm |
0.009 |
< 0.001 |
| Trimethylamine |
ppm |
0.005 |
< 0.0005 |
| Acetaldehyde |
ppm |
0.05 |
0.0063 |
| Propionaldehyde |
ppm |
0.05 |
< 0.002 |
| Styrene |
ppm |
0.4 |
< 0.01 |
| Propionic acid |
ppm |
0.03 |
< 0.005 |
| Normal butyrate |
ppm |
0.003 |
< 0.0002 |
| Isovaleric acid |
ppm |
0.0005 |
< 0.0002 |
| Normal valerate |
ppm |
0.00045 |
< 0.0002 |
| Normal butylaldehyde |
ppm |
0.009 |
< 0.002 |
| Isobutyl aldehyde |
ppm |
0.02 |
< 0.002 |
| Normal valeraldehyde |
ppm |
0.009 |
0.003 |
| Isovaleraldehyde |
ppm |
0.003 |
< 0.002 |
| Isobutanol |
ppm |
0.9 |
< 0.01 |
| Ethyl acetate |
ppm |
3 |
0.21 |
| Methyl isobutyl ketone |
ppm |
1 |
0.09 |
| Toluene |
ppm |
10 |
0.31 |
| Xylene |
ppm |
1 |
< 0.01 |
|
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