Honda Worldwide | Environment

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	3,665 associates (as of March 31, 2006)
Water discharge point	Kikuchi River via Hyuga River and Koushi River
ISO 14001 acquired	November 1997

Water Quality

Item	Unit	Regulation Standards (Incl. Agreed Standards)	Voluntary Regulation Standards	Measurement Results
Item	Unit	Regulation Standards (Incl. Agreed Standards)	Voluntary Regulation Standards	Maximum (minimum)	Average
Hydrogen ion concentration	pH	5.8–8.6	6.5–7.9	8.0 (7.5)	7.8
Biochemical oxygen demand (BOD)	mg/L	Maximum 10/average 7	3.5	2.3 (Less than 0.5)	1.1
Suspended solids (SS)	mg/L	Maximum 15/average 10	5	10.0 (Less than 1.0)	3.4
Oil content	mg/L	Maximum 1.5/average 1	0.5	0.6 (Less than 0.5)	Less than 0.5
Phenols	mg/L	Maximum 0.075/average 0.05	0.025	Less than 0.025	Less than 0.025
Copper and its compounds	mg/L	Maximum 0.45/average 0.3	0.15	Less than 0.05	Less than 0.05
Zinc and its compounds	mg/L	Maximum 2/average 1.5	0.75	0.15 (0.07)	0.1
Soluble iron and its compounds	mg/L	Maximum 4.5/average 3	1.5	0.09 (Less than 0.05)	0.07
Soluble manganese and its compounds	mg/L	Should not be detected	Undetected	Undetected	Undetected
Total chromium	mg/L	Maximum 0.15/average 0.1	0.05	Less than 0.02	Less than 0.02
Fluorine content	mg/L	8	4	Less than 0.2	Less than 0.2
Colon bacillus colony count	No./cm³	3,000	1,500	79	79
Nitrogen content	mg/L	Maximum 120/average 60	30	63 (1.3)	30.9
Phosphorous content	mg/L	8	4	1.8 (0.56)	1.2
Cadmium and its compounds	mg/L	Should not be detected	Undetected	Undetected	Undetected
Cyanides	mg/L	0.1	0.05	Less than 0.05	Less than 0.05
Organic phosphorus compounds	mg/L	0.1	0.1	Less than 0.1	Less than 0.1
Lead and its compounds	mg/L	Should not be detected	Undetected	Undetected	Undetected
Chromium (VI) compounds	mg/L	Maximum 0.075/average 0.05	0.04	Less than 0.04	Less than 0.04
Arsenic and its compounds	mg/L	Should not be detected	Undetected	Undetected	Undetected
Mercury and its compounds	mg/L	0.0005	0.0005	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	0.0005	0.0005	Less than 0.0005	Less than 0.0005
Trichloroethylene	mg/L	0.03	0.015	Less than 0.003	Less than 0.003
Tetrachloroethylene	mg/L	0.01	0.005	Less than 0.001	Less than 0.001
Dichloromethane	mg/L	0.02	0.01	Less than 0.002	Less than 0.002
Tetrachloride carbon	mg/L	0.002	0.001	Less than 0.0002	Less than 0.0002
1,2-dichloroethane	mg/L	0.004	0.002	Less than 0.0004	Less than 0.0004
1,1-dichloroethylene	mg/L	0.02	0.01	Less than 0.002	Less than 0.002
Cis-1,2-dichloroethylene	mg/L	0.04	0.02	Less than 0.004	Less than 0.004
1,1,1-trichloroethane	mg/L	0.3	0.15	Less than 0.03	Less than 0.03
1,1,2-trichloroethane	mg/L	0.006	0.003	Less than 0.0006	Less than 0.0006
1,3-dichloropropane	mg/L	0.002	0.001	Less than 0.0002	Less than 0.0002
Thiram	mg/L	0.006	0.003	Less than 0.0006	Less than 0.0006
Simazine	mg/L	0.003	0.0015	Less than 0.0003	Less than 0.0003
Thiobencarb	mg/L	0.02	0.01	Less than 0.002	Less than 0.002
Benzene	mg/L	0.01	0.005	Less than 0.001	Less than 0.001
Selenium and its compounds	mg/L	0.1	0.05	Less than 0.01	Less than 0.01

Air Quality

Item	Unit	Regulation Standards (Incl. Agreed Standards)	Voluntary Regulation Standards	Measurement Results
Item	Unit	Regulation Standards (Incl. Agreed Standards)	Voluntary Regulation Standards	Maximum (minimum)	Average
Particulates	g/Nm³	0.05	0.025	0.011 (Less than 0.001)	0.0027
Particulates	g/Nm³	0.1	0.05	0.02 (Less than 0.001)	0.0029
Nitrogen oxides	ppm	150	75	41.0 (Less than 6.0)	17.15
		180	90	67.0 (Less than 4.0)	14.85
		230	115	8.0 (Less than 3.0)	4

PRTR Listed Substances

(Unit: kg)

Substance	Volume Handled	Volume Discharged		Volume Transferred		Recycling	Volume 100 Disposed	Volume Consumed (Transferred to Products)
Substance	Volume Handled	Atmosphere	Public Waters	Sewage	Waste Disposal Sites Outside Company	Recycling	Volume 100 Disposed	Volume Consumed (Transferred to Products)
Bis Phenol A epoxy resins	1,710	30	0	0	0	0	0	1,680
Ethyl benzene	20,845	14,198	0	0	0	901	263	5,483
Ethylene glycol	89,984	0	0	0	0	0	0	89,984
Xylene	207,723	112,709	0	0	0	52,346	8,333	34,335
Toluene	91,904	30,758	0	0	0	19,620	615	40,911
Total	412,166	157,695	0	0	0	72,867	9,211	172,393

Noise

Time zone	Unit	Voluntary Regulation Standards	Measurement Results
Afternoon	dB	62	40.8
Evening	dB	62	41.8
Night	dB	55	38.6

Vibration

Time zone	Unit	Voluntary Regulation Standards	Measurement Results
Afternoon	dB	65	24.3
Night	dB	60	22.2

Odor

Item	Unit	Voluntary Regulation Standards	Measurement Results
Ammonia	ppm	1	0.1
Methyl mercaptan	ppm	0.002	Less than 0.0005
Hydrogen sulfide	ppm	0.02	Less than 0.0005
Methyl sulfide	ppm	0.01	Less than 0.0005
Methyl disulfide	ppm	0.009	Less than 0.001
Trimethylamine	ppm	0.005	Less than 0.0005
Acetaldehyde	ppm	0.05	0.003
Propionaldehyde	ppm	0.05	Less than 0.002
Styrene	ppm	0.4	Less than 0.01
Propionic acid	ppm	0.03	Less than 0.005
Normal butyrate	ppm	0.003	0.0003
Isovaleric acid	ppm	0.0005	Less than 0.0002
Normal valerate	ppm	0.00045	Less than 0.0002
Normal butylaldehyde	ppm	0.009	Less than 0.002
Isobutyl aldehyde	ppm	0.02	Less than 0.002
Normal valeraldehyde	ppm	0.009	Less than 0.002
Isovaleraldehyde	ppm	0.003	Less than 0.002
Isobutanol	ppm	0.9	Less than 0.01
Ethyl acetate	ppm	3	0.2
Methyl isobutyl ketone	ppm	1	0.04
Toluene	ppm	10	0.02
Xylene	ppm	1	Less than 0.01

Kumamoto Factory

Water Quality

Air Quality

PRTR Listed Substances

Noise

Vibration

Odor

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