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Complying with values specified by law
JRC Site Top TOP Request (Please feel free to offer your comments and suggestions.) JRC ENVIRONMENTAL REPORT 2009 Developing environmental conscious product Increasing green procurement Taking steps to combat global warming Reducing waste Improving the management of chemicals

We manage plants with voluntary standards stricter than those that are legally binding.

The compliance status of the major standards in the laws in fiscal 2008 is as follows:

Legal standard values Voluntary standard values Achievement in 2008 Compliance
Air Pollution Control Law [Particulate] concentration Not exceeding 0.3g/Nm³ Not exceeding 0.27g/Nm³ 0.012g/Nm³
Nitrogen oxides Not exceeding 90ppm Not exceeding 81ppm 67ppm
Sulfur oxides (No.3 furnace) Not exceeding 0.62Nm³/h Not exceeding 0.56Nm³/h Not exceeding 0.05Nm³/h
Sulfur oxides (Nos.1 and 2 furnaces) Not exceeding 1.5Nm³/h Not exceeding 1.35Nm³/h Not exceeding 0.12Nm³/h
Sewerage Law Hydrogen ion concentration (pH) 5.7 - 8.7 5.9 - 8.5 5.9 - 8.4
Normal hexane extracted substances Not exceeding 30mg/L Not exceeding 28mg/L Lower than 1.0 - Not exceeding 17.1mg/L
Trichloroethylene Not exceeding 0.3mg/L Not exceeding 0.15mg/L Not exceeding 0.003mg/L
Tetrachloroethylene Not exceeding 0.1mg/L Not exceeding 0.05mg/L Not exceeding 0.01mg/L
Dichloromethane Not exceeding 0.2mg/L Not exceeding 0.1mg/L Not exceeding 0.02mg/L
Other harmful substances

Not exceeding standard value
Noise Regulation Law Mitaka Plant Not exceeding 60dB
(Adjacent residential area: Daytime)
*148 - 71dB
(The maximum values are for when exhaust fans of adjacent facilities are operating.)
Not exceeding 70dB
(Industrial area: Daytime)
48 - 64dB
Saitama Plant Not exceeding 65dB Not exceeding 63dB 45.9 - 59.3dB
Vibration Regulation Law Mitaka Plant Not exceeding 60 - 65dB
(Residential and industrial area)
28.6 - 48.9dB
Saitama Plant Not exceeding 65dB Not exceeding 63dB 24.9 - 43.0dB

*1It is confirmed that the value is "Not higher than 56 dB" when the exhaust fans of external adjacent facilities are not in operation.
    (The observed values shown above are measured at “In-house fixed points and the time” in accordance with the legal criteria.)


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