Honda R&D Co., Ltd.
Tochigi R&D Center
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Address
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4630 Shimotakanesawa, Haga Machi, Haga Gun,
Tochigi Prefecture
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Established
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1982 (Tochigi Laboratory, Wako Research Center)
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Main products
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General automobile research (design, trial
production, and testing of engines, bodies, and chassis)
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Water discharge point
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Nomoto River via Haga Industrial Park Treatment
Center (domestic and industrial water)
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Water Quality
| Item | Unit | Regulation Standards (Incl. Agreed Standards) | Voluntary Regulation Standards | Measurement Results | |
| Maximum (minimum) | Average | ||||
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Hydrogen ion concentration
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pH | 5.8–8.6 | 5.8–8.6 | 7.5 (7) | 6.45 |
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Biochemical oxygen demand (BOD)
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mg/L | 25 | 17.5 | 2.1 (0.1) | 0.88 |
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Chemical oxygen demand (COD)
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mg/L | 25 | 17.5 | 8.6 (4.7) | 6.55 |
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Suspended solids (SS)
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mg/L | 50 | 35 | 2.4 (0) | 0.77 |
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Oil content
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mg/L | 5 | 3.5 | 0.8 (0) | 0.1 |
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Phenols
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mg/L | 1 | 0.7 | Less than 0.01 | Less than 0.01 |
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Copper and its compounds
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mg/L | 3 | 2.1 | Less than 0.02 | Less than 0.02 |
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Zinc and its compounds
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mg/L | 5 | 3.5 | 0.21 (0.13) | 0.17 |
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Soluble iron and its compounds
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mg/L | 3 | 2.1 | Less than 0.02 | Less than 0.02 |
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Soluble manganese and its compounds
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mg/L | 3 | 2.1 | Less than 0.005 | Less than 0.005 |
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Total chromium
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mg/L | 2 | 1.4 | 0.22 | 0.22 |
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Fluorine content
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mg/L | 8 | 5.6 | Less than 0.1 | Less than 0.1 |
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Colon bacillus colony count
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No./cm3 | 3,000 | 2,100 | 29 (0) | 10.67 |
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Nitrogen content
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mg/L | 20 | — | 20 (12) | 15.08 |
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Phosphorous content
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mg/L | 2 | 1.4 | 0.32 (0.09) | 0.15 |
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Cadmium and its compounds
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mg/L | Should not be detected | Below detection limit | Less than 0.005 | Less than 0.005 |
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Cyanides
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mg/L | Should not be detected | Below detection limit | Less than 0.1 | Less than 0.1 |
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Lead and its compounds
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mg/L | Should not be detected | Below detection limit | Less than 0.05 | Less than 0.05 |
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Chromium (VI) compounds
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mg/L | Should not be detected | Below detection limit | Less than 0.02 | Less than 0.02 |
Air Quality
| Item | Unit | Regulation Standards (Incl. Agreed Standards) | Voluntary Regulation Standards | Measurement Results | |
| Maximum (minimum) | Average | ||||
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Particulates
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g/Nm3 | 0.15 | 0.105 | Less than 0.006 (0.005) | 0.005 |
| 0.3 | 0.21 | 0.002 (Less than 0.001) | 0.001 | ||
| 0.5 | 0.35 | Less than 0.005 (Less than 0.003) | 0.004 | ||
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Nitrogen oxides
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ppm | 150 | 105 | 67 (38) | 54.8 |
| 180 | 126 | 73 (46) | 60.5 | ||
| 250 | 175 | 100 (41) | 74 | ||
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Hydrogen chloride
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mg/Nm3 | 700 | 490 | Less than 73 (Less than 55) | 64 |
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Sulphur oxides
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K value | 7 | 4.9 | Less than 0.24 (0.009) | 0.091 |
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Dioxins
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ng-TEQ/Nm3 | 10 | 0.1 | 0.041 | 0.041 |
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 |
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Ethyl benzene
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50,110 | 890 | 0 | 0 | 60 | 0 | 49,160 | 0 |
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Ethylene glycol
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2,172 | 43 | 0 | 0 | 28 | 0 | 2,101 | 0 |
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Xylene
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407,392 | 7,100 | 0 | 0 | 610 | 0 | 399,682 | 0 |
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Dichloromethane
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1,350 | 11 | 0 | 0 | 0 | 0 | 1,339 | 0 |
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Toluene
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857,230 | 15,000 | 0 | 0 | 1,200 | 0 | 841,030 | 0 |
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Total
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1,318,254 | 23,044 | 0 | 0 | 1,898 | 0 | 1,293,312 | 0 |
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Dioxins
(Unit: mg-TEQ) |
0 | 1.38 | 0.01 | 0 | 191.91 | 0 | 0 | 0 |
