Quality Innovation Center Tochigi
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Address
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52-1 Hagadai, Haga Machi, Haga Gun, Tochigi
Prefecture
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Established
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April 2003
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Main products
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Responses to quality issues in the market
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Number of employees
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443 (as of March 31, 2005)
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Water discharge point
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Nomoto River via Haga Industrial Park Treatment
Center
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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 | 7.8 (6.9) | 7.6 |
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Biochemical oxygen demand (BOD)
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mg/L | 25 | 12.5 | 3.9 (Less than 0.1) | 0.8 |
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Chemical oxygen demand (COD)
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mg/L | 25 | 12.5 | 9.3 (1.8) | 3.2 |
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Suspended solids (SS)
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mg/L | 50 | 25 | 5.2 (Less than 1.0) | 1.9 |
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Oil content
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mg/L | 5 | 2.5 | 1.4 (Less than 0.5) | 0.3 |
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Phenols
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mg/L | 1 | 0.5 | Less than 0.05 | Less than 0.05 |
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Copper and its compounds
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mg/L | Undetected | Undetected | Undetected | Undetected |
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Zinc and its compounds
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mg/L | 5 | 2.5 | 0.07 (Less than 0.06) | 0.065 |
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Soluble iron and its compounds
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mg/L | 3 | 1.5 | Less than 0.05 | Less than 0.05 |
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Soluble manganese and its compounds
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mg/L | 3 | 1.5 | Less than 0.01 | Less than 0.01 |
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Total chromium
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mg/L | 2 | 1 | Less than 0.1 | Less than 0.1 |
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Fluorine content
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mg/L | 8 | 6.5 | 0.2 (Less than 0.01) | Less than 0.01 |
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Colon bacillus colony count
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No./cm3 | 3,000 | 1,500 | 15 (0) | 0.63 |
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Nitrogen content
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mg/L | 20 | 10 | 1.7 (0.9) | 1.3 |
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Phosphorous content
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mg/L | 2 | 1 | Less than 0.05 | Less than 0.05 |
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Cadmium and its compounds
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mg/L | Undetected | Undetected | Undetected | Undetected |
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Cyanides
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mg/L | Undetected | Undetected | Undetected | Undetected |
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Lead and its compounds
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mg/L | Undetected | Undetected | Undetected | Undetected |
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Chromium (VI) compounds
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mg/L | Undetected | Undetected | Undetected | Undetected |
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 | 0.3 | 0.15 | 0.005 or less | 0.005 or less |
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Nitrogen oxides
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ppm | 180 | 90 | 68.0 | 62.0 |
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Sulphur oxides
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K value | 7 | 3.5 | Less than 0.1 | Less than 0.1 |
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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1,026 | 245 | 0 | 0 | 0 | 0 | 378 | 403 |
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Xylene
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5,280 | 1,019 | 0 | 0 | 0 | 0 | 1,888 | 2,373 |
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Toluene
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10,331 | 2,371 | 0 | 0 | 0 | 0 | 4,371 | 3,589 |
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Benzene
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323 | 78 | 0 | 0 | 0 | 0 | 115 | 130 |
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Total
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16,960 | 3,713 | 0 | 0 | 0 | 0 | 6,752 | 6,495 |
