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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 2012 Developing environmentally aware 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 2011 is as follows:


Legal standard values Voluntary standard values Achievement in 2009 Compliance
Air Pollution Control Law [Particulate] concentration Not exceeding 0.3g/N Not exceeding 0.27g/N 0.001g/N
Nitrogen oxides Not exceeding 90ppm Not exceeding 81ppm 75ppm
Sulfur oxides (No.3 furnace) Not exceeding 0.62N/h Not exceeding 0.56N/h Not exceeding 0.01N/h
Sulfur oxides (Nos.1 and 2 furnaces) Not exceeding 1.5N/h Not exceeding 1.35N/h Not exceeding 0.02N/h
Sewerage Law Hydrogen ion concentration (pH) 5.7 - 8.7 5.7 - 8.7 6.3 - 8.2
Normal hexane extracted substances Not exceeding 30mg/L Not exceeding 26mg/L Lower than 1.0 – Not exceeding 12.4mg/L
Trichloroethylene Not exceeding 0.3mg/L Not exceeding 0.15mg/L 0.02mg/L or less (ND)
Tetrachloroethylene Not exceeding 0.1mg/L Not exceeding 0.05mg/L 0.01mg/L or less (ND)
Dichloromethane Not exceeding 0.2mg/L Not exceeding 0.1mg/L 0.02mg/L or less (ND)
Other harmful substances   Not exceeding standard value
Noise Regulation Law Mitaka Plant Not exceeding 60 dB (Adjacent residential area: Daytime) *1 48 - 70dB
(The maximum value comes from the construction noise for the east side road.)
Not exceeding 70 dB (Industrial area: Daytime) 52 - 64dB
Saitama Plant Not exceeding 65dB Not exceeding 63dB 46.0 – 54.6dB
Vibration Regulation Law Mitaka Plant Not exceeding 60 - 65 dB (Residential and industrial area) 30.6 – 52.5dB
Saitama Plant Not exceeding 65dB Not exceeding 63dB 44.0 – 45.5dB

*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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